/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/safe024_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:05:39,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:05:39,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:05:39,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:05:39,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:05:39,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:05:39,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:05:39,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:05:39,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:05:39,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:05:39,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:05:39,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:05:39,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:05:39,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:05:39,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:05:39,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:05:39,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:05:39,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:05:39,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:05:39,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:05:39,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:05:39,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:05:39,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:05:39,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:05:39,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 05:05:39,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 05:05:39,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 05:05:39,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 05:05:39,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 05:05:39,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 05:05:39,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:05:39,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:05:39,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:05:39,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:05:39,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:05:39,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:05:39,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:05:39,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:05:39,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:05:39,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:05:39,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:05:39,360 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 05:05:39,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:05:39,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:05:39,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:05:39,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:05:39,394 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:05:39,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:05:39,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:05:39,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:05:39,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:05:39,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:05:39,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:05:39,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:05:39,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:05:39,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:05:39,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:05:39,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:05:39,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:05:39,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:05:39,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:05:39,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:05:39,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:05:39,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:05:39,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:05:39,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:05:39,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:05:39,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:05:39,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:05:39,403 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:05:39,406 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:05:39,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:05:39,407 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:05:39,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:05:39,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:05:39,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:05:39,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:05:39,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:05:39,715 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:05:39,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.oepc.i [2019-12-28 05:05:39,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7abd1a754/c697b209380f4c32872fd110c6f1e4fb/FLAGb39f61669 [2019-12-28 05:05:40,391 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:05:40,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe024_tso.oepc.i [2019-12-28 05:05:40,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7abd1a754/c697b209380f4c32872fd110c6f1e4fb/FLAGb39f61669 [2019-12-28 05:05:40,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7abd1a754/c697b209380f4c32872fd110c6f1e4fb [2019-12-28 05:05:40,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:05:40,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:05:40,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:05:40,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:05:40,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:05:40,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:05:40" (1/1) ... [2019-12-28 05:05:40,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4419eb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:40, skipping insertion in model container [2019-12-28 05:05:40,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:05:40" (1/1) ... [2019-12-28 05:05:40,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:05:40,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:05:41,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:05:41,247 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:05:41,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:05:41,385 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:05:41,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41 WrapperNode [2019-12-28 05:05:41,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:05:41,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:05:41,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:05:41,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:05:41,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:05:41,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:05:41,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:05:41,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:05:41,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (1/1) ... [2019-12-28 05:05:41,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:05:41,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:05:41,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:05:41,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:05:41,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (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 05:05:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:05:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 05:05:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:05:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:05:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 05:05:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 05:05:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 05:05:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 05:05:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 05:05:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 05:05:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 05:05:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:05:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:05:41,540 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 05:05:41,941 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:05:41,942 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 05:05:41,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:05:41 BoogieIcfgContainer [2019-12-28 05:05:41,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:05:41,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:05:41,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:05:41,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:05:41,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:05:40" (1/3) ... [2019-12-28 05:05:41,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347c1493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:05:41, skipping insertion in model container [2019-12-28 05:05:41,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:41" (2/3) ... [2019-12-28 05:05:41,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347c1493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:05:41, skipping insertion in model container [2019-12-28 05:05:41,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:05:41" (3/3) ... [2019-12-28 05:05:41,953 INFO L109 eAbstractionObserver]: Analyzing ICFG safe024_tso.oepc.i [2019-12-28 05:05:41,964 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:05:41,965 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:05:41,973 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:05:41,974 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:05:42,006 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,007 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,007 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,008 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,008 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,008 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,010 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,010 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,010 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,011 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,011 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,011 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,013 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,013 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,013 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,014 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,019 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,020 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,020 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,020 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,030 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,031 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,031 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,031 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,034 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,034 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,034 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,035 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:05:42,051 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 05:05:42,073 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:05:42,073 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:05:42,074 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:05:42,074 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:05:42,074 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:05:42,074 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:05:42,074 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:05:42,075 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:05:42,086 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 55 transitions [2019-12-28 05:05:42,165 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1249 states. [2019-12-28 05:05:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states. [2019-12-28 05:05:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 05:05:42,184 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:05:42,185 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 05:05:42,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:05:42,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:05:42,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1986917389, now seen corresponding path program 1 times [2019-12-28 05:05:42,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:05:42,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408586262] [2019-12-28 05:05:42,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:05:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:05:42,582 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 05:05:42,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408586262] [2019-12-28 05:05:42,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:05:42,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:05:42,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1985760051] [2019-12-28 05:05:42,587 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:05:42,595 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:05:42,618 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 32 transitions. [2019-12-28 05:05:42,619 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:05:42,623 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:05:42,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:05:42,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:05:42,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:05:42,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:05:42,642 INFO L87 Difference]: Start difference. First operand 1249 states. Second operand 4 states. [2019-12-28 05:05:42,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:05:42,751 INFO L93 Difference]: Finished difference Result 1296 states and 3962 transitions. [2019-12-28 05:05:42,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 05:05:42,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-28 05:05:42,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:05:42,777 INFO L225 Difference]: With dead ends: 1296 [2019-12-28 05:05:42,777 INFO L226 Difference]: Without dead ends: 602 [2019-12-28 05:05:42,779 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 05:05:42,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-28 05:05:42,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-12-28 05:05:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-12-28 05:05:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1777 transitions. [2019-12-28 05:05:42,898 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1777 transitions. Word has length 32 [2019-12-28 05:05:42,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:05:42,899 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 1777 transitions. [2019-12-28 05:05:42,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:05:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1777 transitions. [2019-12-28 05:05:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:05:42,903 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:05:42,903 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 05:05:42,903 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:05:42,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:05:42,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1215038929, now seen corresponding path program 1 times [2019-12-28 05:05:42,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:05:42,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587179669] [2019-12-28 05:05:42,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:05:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:05:43,073 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 05:05:43,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587179669] [2019-12-28 05:05:43,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:05:43,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:05:43,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [848267996] [2019-12-28 05:05:43,075 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:05:43,079 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:05:43,085 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 05:05:43,085 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:05:43,087 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:05:43,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:05:43,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:05:43,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:05:43,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:05:43,100 INFO L87 Difference]: Start difference. First operand 602 states and 1777 transitions. Second operand 5 states. [2019-12-28 05:05:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:05:43,209 INFO L93 Difference]: Finished difference Result 602 states and 1696 transitions. [2019-12-28 05:05:43,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 05:05:43,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-28 05:05:43,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:05:43,223 INFO L225 Difference]: With dead ends: 602 [2019-12-28 05:05:43,223 INFO L226 Difference]: Without dead ends: 539 [2019-12-28 05:05:43,224 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 05:05:43,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-12-28 05:05:43,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-12-28 05:05:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-12-28 05:05:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1546 transitions. [2019-12-28 05:05:43,286 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1546 transitions. Word has length 33 [2019-12-28 05:05:43,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:05:43,287 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 1546 transitions. [2019-12-28 05:05:43,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:05:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1546 transitions. [2019-12-28 05:05:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:05:43,290 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:05:43,291 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, 1] [2019-12-28 05:05:43,291 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:05:43,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:05:43,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1863729100, now seen corresponding path program 1 times [2019-12-28 05:05:43,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:05:43,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032363450] [2019-12-28 05:05:43,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:05:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:05:43,487 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 05:05:43,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032363450] [2019-12-28 05:05:43,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:05:43,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:05:43,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1950394002] [2019-12-28 05:05:43,488 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:05:43,492 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:05:43,501 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 05:05:43,501 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:05:43,502 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:05:43,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:05:43,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:05:43,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:05:43,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:05:43,503 INFO L87 Difference]: Start difference. First operand 539 states and 1546 transitions. Second operand 6 states. [2019-12-28 05:05:43,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:05:43,605 INFO L93 Difference]: Finished difference Result 404 states and 1060 transitions. [2019-12-28 05:05:43,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:05:43,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-28 05:05:43,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:05:43,609 INFO L225 Difference]: With dead ends: 404 [2019-12-28 05:05:43,609 INFO L226 Difference]: Without dead ends: 350 [2019-12-28 05:05:43,609 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 05:05:43,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-28 05:05:43,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2019-12-28 05:05:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-12-28 05:05:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 916 transitions. [2019-12-28 05:05:43,621 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 916 transitions. Word has length 34 [2019-12-28 05:05:43,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:05:43,622 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 916 transitions. [2019-12-28 05:05:43,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:05:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 916 transitions. [2019-12-28 05:05:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:05:43,623 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:05:43,624 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 05:05:43,624 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:05:43,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:05:43,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1824391938, now seen corresponding path program 1 times [2019-12-28 05:05:43,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:05:43,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509788247] [2019-12-28 05:05:43,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:05:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:05:43,815 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 05:05:43,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509788247] [2019-12-28 05:05:43,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:05:43,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:05:43,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2118253654] [2019-12-28 05:05:43,816 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:05:43,821 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:05:43,829 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 48 states and 59 transitions. [2019-12-28 05:05:43,829 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:05:43,830 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:05:43,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:05:43,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:05:43,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:05:43,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:05:43,831 INFO L87 Difference]: Start difference. First operand 350 states and 916 transitions. Second operand 7 states. [2019-12-28 05:05:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:05:44,033 INFO L93 Difference]: Finished difference Result 521 states and 1396 transitions. [2019-12-28 05:05:44,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:05:44,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2019-12-28 05:05:44,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:05:44,037 INFO L225 Difference]: With dead ends: 521 [2019-12-28 05:05:44,037 INFO L226 Difference]: Without dead ends: 278 [2019-12-28 05:05:44,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 05:05:44,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-28 05:05:44,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-12-28 05:05:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-12-28 05:05:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 727 transitions. [2019-12-28 05:05:44,051 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 727 transitions. Word has length 35 [2019-12-28 05:05:44,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:05:44,052 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 727 transitions. [2019-12-28 05:05:44,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:05:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 727 transitions. [2019-12-28 05:05:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:05:44,054 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:05:44,054 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 05:05:44,054 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:05:44,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:05:44,055 INFO L82 PathProgramCache]: Analyzing trace with hash 480987120, now seen corresponding path program 2 times [2019-12-28 05:05:44,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:05:44,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071416203] [2019-12-28 05:05:44,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:05:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:05:44,237 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 05:05:44,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071416203] [2019-12-28 05:05:44,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:05:44,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:05:44,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [305928557] [2019-12-28 05:05:44,239 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:05:44,242 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:05:44,248 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 43 transitions. [2019-12-28 05:05:44,248 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:05:44,249 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:05:44,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:05:44,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:05:44,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:05:44,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:05:44,250 INFO L87 Difference]: Start difference. First operand 278 states and 727 transitions. Second operand 7 states. [2019-12-28 05:05:44,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:05:44,419 INFO L93 Difference]: Finished difference Result 440 states and 1186 transitions. [2019-12-28 05:05:44,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:05:44,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2019-12-28 05:05:44,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:05:44,422 INFO L225 Difference]: With dead ends: 440 [2019-12-28 05:05:44,422 INFO L226 Difference]: Without dead ends: 254 [2019-12-28 05:05:44,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 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 05:05:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-12-28 05:05:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2019-12-28 05:05:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-12-28 05:05:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 673 transitions. [2019-12-28 05:05:44,433 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 673 transitions. Word has length 35 [2019-12-28 05:05:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:05:44,434 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 673 transitions. [2019-12-28 05:05:44,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:05:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 673 transitions. [2019-12-28 05:05:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:05:44,435 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:05:44,436 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 05:05:44,436 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:05:44,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:05:44,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1845050856, now seen corresponding path program 3 times [2019-12-28 05:05:44,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:05:44,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693988596] [2019-12-28 05:05:44,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:05:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:05:44,580 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 05:05:44,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693988596] [2019-12-28 05:05:44,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:05:44,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 05:05:44,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1991262827] [2019-12-28 05:05:44,581 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:05:44,584 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:05:44,590 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 36 states and 35 transitions. [2019-12-28 05:05:44,591 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:05:44,591 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:05:44,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 05:05:44,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:05:44,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 05:05:44,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:05:44,592 INFO L87 Difference]: Start difference. First operand 254 states and 673 transitions. Second operand 8 states. [2019-12-28 05:05:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:05:44,686 INFO L93 Difference]: Finished difference Result 200 states and 511 transitions. [2019-12-28 05:05:44,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:05:44,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 05:05:44,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:05:44,687 INFO L225 Difference]: With dead ends: 200 [2019-12-28 05:05:44,687 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 05:05:44,687 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 05:05:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 05:05:44,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 05:05:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 05:05:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 05:05:44,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-12-28 05:05:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:05:44,688 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 05:05:44,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 05:05:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 05:05:44,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 05:05:44,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:05:44 BasicIcfg [2019-12-28 05:05:44,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:05:44,700 INFO L168 Benchmark]: Toolchain (without parser) took 4045.16 ms. Allocated memory was 145.8 MB in the beginning and 249.0 MB in the end (delta: 103.3 MB). Free memory was 102.3 MB in the beginning and 124.8 MB in the end (delta: -22.4 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-12-28 05:05:44,701 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-28 05:05:44,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.58 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 160.1 MB in the end (delta: -58.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:05:44,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.64 ms. Allocated memory is still 202.9 MB. Free memory was 160.1 MB in the beginning and 157.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:05:44,709 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 156.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:05:44,710 INFO L168 Benchmark]: RCFGBuilder took 480.98 ms. Allocated memory is still 202.9 MB. Free memory was 156.2 MB in the beginning and 135.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:05:44,711 INFO L168 Benchmark]: TraceAbstraction took 2748.16 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 135.3 MB in the beginning and 124.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:05:44,724 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.58 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 160.1 MB in the end (delta: -58.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.64 ms. Allocated memory is still 202.9 MB. Free memory was 160.1 MB in the beginning and 157.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.63 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 156.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 480.98 ms. Allocated memory is still 202.9 MB. Free memory was 156.2 MB in the beginning and 135.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2748.16 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 135.3 MB in the beginning and 124.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 56.6 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: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 317 SDtfs, 347 SDslu, 868 SDs, 0 SdLazy, 110 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s 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: 0.1s 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, 20218 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...