/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 22:42:33,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 22:42:33,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 22:42:33,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 22:42:33,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 22:42:33,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 22:42:33,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 22:42:33,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 22:42:33,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 22:42:33,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 22:42:33,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 22:42:33,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 22:42:33,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 22:42:33,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 22:42:33,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 22:42:33,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 22:42:33,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 22:42:33,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 22:42:33,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 22:42:33,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 22:42:33,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 22:42:33,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 22:42:33,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 22:42:33,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 22:42:33,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 22:42:33,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 22:42:33,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 22:42:33,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 22:42:33,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 22:42:33,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 22:42:33,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 22:42:33,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 22:42:33,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 22:42:33,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 22:42:33,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 22:42:33,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 22:42:33,418 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-VariableLbe.epf [2019-12-18 22:42:33,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 22:42:33,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 22:42:33,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 22:42:33,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 22:42:33,434 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 22:42:33,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 22:42:33,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 22:42:33,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 22:42:33,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 22:42:33,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 22:42:33,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 22:42:33,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 22:42:33,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 22:42:33,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 22:42:33,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 22:42:33,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 22:42:33,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 22:42:33,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 22:42:33,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 22:42:33,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 22:42:33,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 22:42:33,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 22:42:33,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 22:42:33,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 22:42:33,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 22:42:33,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 22:42:33,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 22:42:33,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 22:42:33,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 22:42:33,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 22:42:33,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 22:42:33,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 22:42:33,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 22:42:33,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 22:42:33,724 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 22:42:33,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2019-12-18 22:42:33,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b336527fc/b76f7215499743e4add04b87659434c1/FLAGd1a58a2ff [2019-12-18 22:42:34,372 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 22:42:34,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2019-12-18 22:42:34,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b336527fc/b76f7215499743e4add04b87659434c1/FLAGd1a58a2ff [2019-12-18 22:42:34,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b336527fc/b76f7215499743e4add04b87659434c1 [2019-12-18 22:42:34,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 22:42:34,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 22:42:34,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 22:42:34,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 22:42:34,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 22:42:34,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:42:34" (1/1) ... [2019-12-18 22:42:34,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ceb2709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:34, skipping insertion in model container [2019-12-18 22:42:34,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:42:34" (1/1) ... [2019-12-18 22:42:34,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 22:42:34,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 22:42:35,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 22:42:35,213 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 22:42:35,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 22:42:35,345 INFO L208 MainTranslator]: Completed translation [2019-12-18 22:42:35,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35 WrapperNode [2019-12-18 22:42:35,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 22:42:35,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 22:42:35,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 22:42:35,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 22:42:35,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 22:42:35,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 22:42:35,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 22:42:35,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 22:42:35,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (1/1) ... [2019-12-18 22:42:35,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 22:42:35,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 22:42:35,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 22:42:35,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 22:42:35,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (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 [2019-12-18 22:42:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 22:42:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 22:42:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 22:42:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 22:42:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 22:42:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 22:42:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 22:42:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 22:42:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 22:42:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 22:42:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 22:42:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 22:42:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 22:42:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 22:42:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 22:42:35,502 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 22:42:35,938 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 22:42:35,938 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 22:42:35,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:42:35 BoogieIcfgContainer [2019-12-18 22:42:35,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 22:42:35,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 22:42:35,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 22:42:35,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 22:42:35,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 10:42:34" (1/3) ... [2019-12-18 22:42:35,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9d6400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:42:35, skipping insertion in model container [2019-12-18 22:42:35,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:42:35" (2/3) ... [2019-12-18 22:42:35,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9d6400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:42:35, skipping insertion in model container [2019-12-18 22:42:35,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:42:35" (3/3) ... [2019-12-18 22:42:35,948 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2019-12-18 22:42:35,957 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 22:42:35,958 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 22:42:35,965 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 22:42:35,965 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 22:42:35,994 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,994 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,994 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,995 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,995 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,995 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,996 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,996 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,996 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,997 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,998 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,998 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,998 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,998 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,999 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,999 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:35,999 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,000 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,000 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,000 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,000 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,001 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,005 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,005 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,005 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,006 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,013 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,013 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,013 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,013 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,017 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,017 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,017 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,019 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,020 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,020 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,020 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 22:42:36,037 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 22:42:36,057 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 22:42:36,057 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 22:42:36,057 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 22:42:36,057 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 22:42:36,058 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 22:42:36,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 22:42:36,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 22:42:36,058 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 22:42:36,072 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 64 transitions [2019-12-18 22:42:36,074 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-18 22:42:36,116 INFO L126 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-18 22:42:36,116 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 22:42:36,123 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 12/70 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 22:42:36,126 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions [2019-12-18 22:42:36,145 INFO L126 PetriNetUnfolder]: 1/60 cut-off events. [2019-12-18 22:42:36,145 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 22:42:36,147 INFO L76 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 27 event pairs. 12/70 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 22:42:36,149 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 22:42:36,151 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 22:42:37,609 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-12-18 22:42:37,679 INFO L206 etLargeBlockEncoding]: Checked pairs total: 721 [2019-12-18 22:42:37,679 INFO L214 etLargeBlockEncoding]: Total number of compositions: 48 [2019-12-18 22:42:37,683 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-18 22:42:37,700 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-18 22:42:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-18 22:42:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 22:42:37,712 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 22:42:37,714 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 22:42:37,714 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 22:42:37,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 22:42:37,723 INFO L82 PathProgramCache]: Analyzing trace with hash -989464989, now seen corresponding path program 1 times [2019-12-18 22:42:37,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 22:42:37,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682243649] [2019-12-18 22:42:37,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 22:42:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 22:42:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 22:42:37,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682243649] [2019-12-18 22:42:37,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 22:42:37,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 22:42:37,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891072956] [2019-12-18 22:42:37,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 22:42:37,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 22:42:38,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 22:42:38,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 22:42:38,014 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-18 22:42:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 22:42:38,060 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-18 22:42:38,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 22:42:38,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 22:42:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 22:42:38,090 INFO L225 Difference]: With dead ends: 86 [2019-12-18 22:42:38,090 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 22:42:38,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 22:42:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 22:42:38,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 22:42:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 22:42:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 22:42:38,146 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 22:42:38,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 22:42:38,147 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 22:42:38,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 22:42:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 22:42:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 22:42:38,149 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 22:42:38,149 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 22:42:38,149 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 22:42:38,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 22:42:38,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1170715911, now seen corresponding path program 1 times [2019-12-18 22:42:38,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 22:42:38,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571814246] [2019-12-18 22:42:38,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 22:42:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 22:42:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 22:42:38,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571814246] [2019-12-18 22:42:38,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 22:42:38,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 22:42:38,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648908069] [2019-12-18 22:42:38,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 22:42:38,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 22:42:38,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 22:42:38,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 22:42:38,274 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-18 22:42:38,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 22:42:38,313 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-18 22:42:38,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 22:42:38,316 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 22:42:38,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 22:42:38,317 INFO L225 Difference]: With dead ends: 84 [2019-12-18 22:42:38,317 INFO L226 Difference]: Without dead ends: 54 [2019-12-18 22:42:38,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 22:42:38,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-18 22:42:38,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-18 22:42:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-18 22:42:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-18 22:42:38,326 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-18 22:42:38,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 22:42:38,327 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-18 22:42:38,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 22:42:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-18 22:42:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 22:42:38,328 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 22:42:38,328 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 22:42:38,328 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 22:42:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 22:42:38,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1709122238, now seen corresponding path program 1 times [2019-12-18 22:42:38,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 22:42:38,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764556207] [2019-12-18 22:42:38,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 22:42:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 22:42:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 22:42:38,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764556207] [2019-12-18 22:42:38,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 22:42:38,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 22:42:38,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440777330] [2019-12-18 22:42:38,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 22:42:38,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 22:42:38,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 22:42:38,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 22:42:38,415 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 4 states. [2019-12-18 22:42:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 22:42:38,453 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-18 22:42:38,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 22:42:38,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 22:42:38,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 22:42:38,455 INFO L225 Difference]: With dead ends: 70 [2019-12-18 22:42:38,456 INFO L226 Difference]: Without dead ends: 46 [2019-12-18 22:42:38,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 22:42:38,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-18 22:42:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-18 22:42:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-18 22:42:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-18 22:42:38,464 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-18 22:42:38,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 22:42:38,465 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-18 22:42:38,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 22:42:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-18 22:42:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 22:42:38,466 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 22:42:38,466 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 22:42:38,466 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 22:42:38,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 22:42:38,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1688092520, now seen corresponding path program 1 times [2019-12-18 22:42:38,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 22:42:38,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201360426] [2019-12-18 22:42:38,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 22:42:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 22:42:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 22:42:38,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201360426] [2019-12-18 22:42:38,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 22:42:38,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 22:42:38,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282383724] [2019-12-18 22:42:38,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 22:42:38,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 22:42:38,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 22:42:38,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 22:42:38,514 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-18 22:42:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 22:42:38,521 INFO L93 Difference]: Finished difference Result 42 states and 73 transitions. [2019-12-18 22:42:38,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 22:42:38,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 22:42:38,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 22:42:38,522 INFO L225 Difference]: With dead ends: 42 [2019-12-18 22:42:38,523 INFO L226 Difference]: Without dead ends: 34 [2019-12-18 22:42:38,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 22:42:38,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-18 22:42:38,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-18 22:42:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-18 22:42:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2019-12-18 22:42:38,533 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 12 [2019-12-18 22:42:38,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 22:42:38,533 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2019-12-18 22:42:38,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 22:42:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-12-18 22:42:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 22:42:38,534 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 22:42:38,534 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 22:42:38,535 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 22:42:38,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 22:42:38,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1395075125, now seen corresponding path program 1 times [2019-12-18 22:42:38,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 22:42:38,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985612772] [2019-12-18 22:42:38,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 22:42:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 22:42:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 22:42:38,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985612772] [2019-12-18 22:42:38,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 22:42:38,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 22:42:38,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718093815] [2019-12-18 22:42:38,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 22:42:38,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 22:42:38,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 22:42:38,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 22:42:38,580 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 4 states. [2019-12-18 22:42:38,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 22:42:38,601 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2019-12-18 22:42:38,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 22:42:38,602 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-18 22:42:38,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 22:42:38,602 INFO L225 Difference]: With dead ends: 41 [2019-12-18 22:42:38,602 INFO L226 Difference]: Without dead ends: 25 [2019-12-18 22:42:38,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 22:42:38,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-18 22:42:38,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-18 22:42:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-18 22:42:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-18 22:42:38,606 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 13 [2019-12-18 22:42:38,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 22:42:38,606 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-18 22:42:38,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 22:42:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-18 22:42:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 22:42:38,607 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 22:42:38,607 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 22:42:38,608 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 22:42:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 22:42:38,608 INFO L82 PathProgramCache]: Analyzing trace with hash -534290396, now seen corresponding path program 1 times [2019-12-18 22:42:38,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 22:42:38,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178622165] [2019-12-18 22:42:38,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 22:42:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 22:42:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 22:42:38,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178622165] [2019-12-18 22:42:38,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 22:42:38,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 22:42:38,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356795555] [2019-12-18 22:42:38,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 22:42:38,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 22:42:38,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 22:42:38,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 22:42:38,688 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-18 22:42:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 22:42:38,709 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-18 22:42:38,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 22:42:38,709 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 22:42:38,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 22:42:38,710 INFO L225 Difference]: With dead ends: 24 [2019-12-18 22:42:38,710 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 22:42:38,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 22:42:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 22:42:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 22:42:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 22:42:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 22:42:38,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 22:42:38,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 22:42:38,711 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 22:42:38,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 22:42:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 22:42:38,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 22:42:38,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 10:42:38 BasicIcfg [2019-12-18 22:42:38,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 22:42:38,721 INFO L168 Benchmark]: Toolchain (without parser) took 4058.28 ms. Allocated memory was 138.9 MB in the beginning and 247.5 MB in the end (delta: 108.5 MB). Free memory was 100.9 MB in the beginning and 123.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2019-12-18 22:42:38,722 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 22:42:38,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.67 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 159.7 MB in the end (delta: -59.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-12-18 22:42:38,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 203.4 MB. Free memory was 159.7 MB in the beginning and 157.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 22:42:38,730 INFO L168 Benchmark]: Boogie Preprocessor took 28.22 ms. Allocated memory is still 203.4 MB. Free memory was 157.8 MB in the beginning and 156.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 22:42:38,732 INFO L168 Benchmark]: RCFGBuilder took 515.46 ms. Allocated memory is still 203.4 MB. Free memory was 156.5 MB in the beginning and 134.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-12-18 22:42:38,732 INFO L168 Benchmark]: TraceAbstraction took 2775.96 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 133.5 MB in the beginning and 123.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. [2019-12-18 22:42:38,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.67 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 159.7 MB in the end (delta: -59.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 203.4 MB. Free memory was 159.7 MB in the beginning and 157.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.22 ms. Allocated memory is still 203.4 MB. Free memory was 157.8 MB in the beginning and 156.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 515.46 ms. Allocated memory is still 203.4 MB. Free memory was 156.5 MB in the beginning and 134.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2775.96 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 133.5 MB in the beginning and 123.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 76 ProgramPointsBefore, 27 ProgramPointsAfterwards, 64 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 352 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 721 CheckedPairsTotal, 48 TotalNumberOfCompositions - 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 5 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 43 SDslu, 89 SDs, 0 SdLazy, 36 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 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...