/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 18:42:10,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 18:42:10,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 18:42:10,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 18:42:10,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 18:42:10,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 18:42:10,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 18:42:10,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 18:42:10,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 18:42:10,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 18:42:10,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 18:42:10,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 18:42:10,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 18:42:10,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 18:42:10,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 18:42:10,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 18:42:10,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 18:42:10,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 18:42:10,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 18:42:10,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 18:42:10,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 18:42:10,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 18:42:10,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 18:42:10,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 18:42:10,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 18:42:10,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 18:42:10,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 18:42:10,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 18:42:10,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 18:42:10,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 18:42:10,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 18:42:10,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 18:42:10,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 18:42:10,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 18:42:10,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 18:42:10,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 18:42:10,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 18:42:10,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 18:42:10,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 18:42:10,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 18:42:10,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 18:42:10,647 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-SemanticLbe.epf [2019-12-18 18:42:10,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 18:42:10,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 18:42:10,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 18:42:10,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 18:42:10,663 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 18:42:10,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 18:42:10,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 18:42:10,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 18:42:10,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 18:42:10,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 18:42:10,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 18:42:10,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 18:42:10,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 18:42:10,664 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 18:42:10,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 18:42:10,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 18:42:10,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 18:42:10,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 18:42:10,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 18:42:10,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 18:42:10,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 18:42:10,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 18:42:10,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 18:42:10,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 18:42:10,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 18:42:10,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 18:42:10,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 18:42:10,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 18:42:10,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 18:42:10,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 18:42:11,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 18:42:11,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 18:42:11,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 18:42:11,018 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 18:42:11,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-18 18:42:11,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73cf7311e/86c143d47d1241e6ae87d24703e2b0a7/FLAG7212bd4ca [2019-12-18 18:42:11,589 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 18:42:11,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-18 18:42:11,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73cf7311e/86c143d47d1241e6ae87d24703e2b0a7/FLAG7212bd4ca [2019-12-18 18:42:11,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73cf7311e/86c143d47d1241e6ae87d24703e2b0a7 [2019-12-18 18:42:11,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 18:42:11,883 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 18:42:11,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 18:42:11,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 18:42:11,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 18:42:11,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:42:11" (1/1) ... [2019-12-18 18:42:11,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6fe52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:11, skipping insertion in model container [2019-12-18 18:42:11,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:42:11" (1/1) ... [2019-12-18 18:42:11,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 18:42:11,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 18:42:12,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 18:42:12,523 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 18:42:12,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 18:42:12,697 INFO L208 MainTranslator]: Completed translation [2019-12-18 18:42:12,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12 WrapperNode [2019-12-18 18:42:12,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 18:42:12,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 18:42:12,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 18:42:12,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 18:42:12,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 18:42:12,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 18:42:12,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 18:42:12,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 18:42:12,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (1/1) ... [2019-12-18 18:42:12,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 18:42:12,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 18:42:12,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 18:42:12,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 18:42:12,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (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 18:42:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 18:42:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 18:42:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 18:42:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 18:42:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 18:42:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 18:42:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 18:42:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 18:42:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 18:42:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 18:42:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 18:42:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 18:42:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 18:42:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 18:42:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 18:42:12,871 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 18:42:13,281 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 18:42:13,282 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 18:42:13,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:42:13 BoogieIcfgContainer [2019-12-18 18:42:13,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 18:42:13,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 18:42:13,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 18:42:13,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 18:42:13,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:42:11" (1/3) ... [2019-12-18 18:42:13,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e1073d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:42:13, skipping insertion in model container [2019-12-18 18:42:13,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:42:12" (2/3) ... [2019-12-18 18:42:13,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e1073d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:42:13, skipping insertion in model container [2019-12-18 18:42:13,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:42:13" (3/3) ... [2019-12-18 18:42:13,292 INFO L109 eAbstractionObserver]: Analyzing ICFG safe016_tso.oepc.i [2019-12-18 18:42:13,302 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 18:42:13,302 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 18:42:13,310 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 18:42:13,311 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 18:42:13,354 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,354 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,355 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,356 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,356 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,356 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,357 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,357 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,357 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,358 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,359 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,359 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,359 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,360 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,360 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,361 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,364 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,364 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,364 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,364 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,365 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,365 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,370 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,370 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,388 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,388 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,389 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,389 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,392 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,392 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,392 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,393 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,398 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,399 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,399 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,400 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:42:13,416 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 18:42:13,438 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 18:42:13,438 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 18:42:13,439 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 18:42:13,439 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 18:42:13,439 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 18:42:13,439 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 18:42:13,439 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 18:42:13,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 18:42:13,455 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions [2019-12-18 18:42:13,457 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-18 18:42:13,501 INFO L126 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-18 18:42:13,502 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 18:42:13,510 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 12/69 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 18:42:13,514 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-18 18:42:13,538 INFO L126 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-18 18:42:13,538 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 18:42:13,541 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 12/69 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 18:42:13,546 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 18:42:13,547 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 18:42:15,586 INFO L206 etLargeBlockEncoding]: Checked pairs total: 749 [2019-12-18 18:42:15,586 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-18 18:42:15,590 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-18 18:42:15,603 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-18 18:42:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-18 18:42:15,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 18:42:15,613 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:42:15,614 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:42:15,614 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:42:15,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:42:15,621 INFO L82 PathProgramCache]: Analyzing trace with hash 364087523, now seen corresponding path program 1 times [2019-12-18 18:42:15,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:42:15,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810307905] [2019-12-18 18:42:15,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:42:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:42:15,881 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 18:42:15,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810307905] [2019-12-18 18:42:15,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:42:15,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 18:42:15,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84701643] [2019-12-18 18:42:15,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:42:15,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:42:15,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:42:15,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:42:15,911 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-18 18:42:15,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:42:15,941 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-18 18:42:15,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:42:15,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 18:42:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:42:15,958 INFO L225 Difference]: With dead ends: 86 [2019-12-18 18:42:15,959 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 18:42:15,961 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 18:42:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 18:42:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 18:42:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 18:42:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 18:42:16,021 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 18:42:16,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:42:16,022 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 18:42:16,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:42:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 18:42:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 18:42:16,030 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:42:16,030 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:42:16,038 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:42:16,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:42:16,038 INFO L82 PathProgramCache]: Analyzing trace with hash -662886856, now seen corresponding path program 1 times [2019-12-18 18:42:16,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:42:16,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447787839] [2019-12-18 18:42:16,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:42:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:42:16,144 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 18:42:16,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447787839] [2019-12-18 18:42:16,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:42:16,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 18:42:16,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528560461] [2019-12-18 18:42:16,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 18:42:16,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:42:16,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 18:42:16,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 18:42:16,148 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-18 18:42:16,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:42:16,183 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-18 18:42:16,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 18:42:16,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 18:42:16,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:42:16,185 INFO L225 Difference]: With dead ends: 84 [2019-12-18 18:42:16,185 INFO L226 Difference]: Without dead ends: 54 [2019-12-18 18:42:16,186 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 18:42:16,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-18 18:42:16,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-18 18:42:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-18 18:42:16,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-18 18:42:16,194 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-18 18:42:16,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:42:16,194 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-18 18:42:16,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 18:42:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-18 18:42:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 18:42:16,195 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:42:16,195 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:42:16,195 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:42:16,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:42:16,196 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029566, now seen corresponding path program 1 times [2019-12-18 18:42:16,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:42:16,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208204068] [2019-12-18 18:42:16,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:42:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:42:16,269 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 18:42:16,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208204068] [2019-12-18 18:42:16,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:42:16,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 18:42:16,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142633122] [2019-12-18 18:42:16,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 18:42:16,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:42:16,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 18:42:16,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 18:42:16,272 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 4 states. [2019-12-18 18:42:16,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:42:16,310 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-18 18:42:16,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 18:42:16,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-18 18:42:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:42:16,312 INFO L225 Difference]: With dead ends: 70 [2019-12-18 18:42:16,312 INFO L226 Difference]: Without dead ends: 46 [2019-12-18 18:42:16,313 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 [2019-12-18 18:42:16,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-18 18:42:16,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-18 18:42:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-18 18:42:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-18 18:42:16,319 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-18 18:42:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:42:16,320 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-18 18:42:16,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 18:42:16,320 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-18 18:42:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 18:42:16,321 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:42:16,321 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:42:16,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:42:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:42:16,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1995753728, now seen corresponding path program 1 times [2019-12-18 18:42:16,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:42:16,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249590508] [2019-12-18 18:42:16,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:42:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:42:16,361 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 18:42:16,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249590508] [2019-12-18 18:42:16,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:42:16,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 18:42:16,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554914612] [2019-12-18 18:42:16,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:42:16,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:42:16,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:42:16,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:42:16,363 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-18 18:42:16,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:42:16,374 INFO L93 Difference]: Finished difference Result 46 states and 75 transitions. [2019-12-18 18:42:16,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:42:16,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 18:42:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:42:16,375 INFO L225 Difference]: With dead ends: 46 [2019-12-18 18:42:16,376 INFO L226 Difference]: Without dead ends: 28 [2019-12-18 18:42:16,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:42:16,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-18 18:42:16,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-18 18:42:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-18 18:42:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-12-18 18:42:16,380 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 12 [2019-12-18 18:42:16,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:42:16,380 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-12-18 18:42:16,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:42:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2019-12-18 18:42:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 18:42:16,381 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:42:16,381 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:42:16,382 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:42:16,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:42:16,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1738823299, now seen corresponding path program 1 times [2019-12-18 18:42:16,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:42:16,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624606067] [2019-12-18 18:42:16,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:42:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:42:16,467 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 18:42:16,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624606067] [2019-12-18 18:42:16,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:42:16,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 18:42:16,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871840224] [2019-12-18 18:42:16,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:42:16,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:42:16,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:42:16,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:42:16,469 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand 3 states. [2019-12-18 18:42:16,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:42:16,478 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2019-12-18 18:42:16,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:42:16,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-18 18:42:16,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:42:16,479 INFO L225 Difference]: With dead ends: 27 [2019-12-18 18:42:16,479 INFO L226 Difference]: Without dead ends: 21 [2019-12-18 18:42:16,480 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 18:42:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-18 18:42:16,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-18 18:42:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-18 18:42:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-12-18 18:42:16,483 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2019-12-18 18:42:16,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:42:16,486 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-12-18 18:42:16,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:42:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-12-18 18:42:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 18:42:16,487 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:42:16,488 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:42:16,488 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:42:16,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:42:16,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1277298007, now seen corresponding path program 1 times [2019-12-18 18:42:16,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:42:16,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209207633] [2019-12-18 18:42:16,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:42:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:42:16,595 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 18:42:16,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209207633] [2019-12-18 18:42:16,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:42:16,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 18:42:16,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953001313] [2019-12-18 18:42:16,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 18:42:16,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:42:16,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 18:42:16,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 18:42:16,598 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 4 states. [2019-12-18 18:42:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:42:16,619 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-12-18 18:42:16,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 18:42:16,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 18:42:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:42:16,620 INFO L225 Difference]: With dead ends: 20 [2019-12-18 18:42:16,621 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 18:42:16,621 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 18:42:16,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 18:42:16,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 18:42:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 18:42:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 18:42:16,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 18:42:16,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:42:16,639 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 18:42:16,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 18:42:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 18:42:16,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 18:42:16,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 06:42:16 BasicIcfg [2019-12-18 18:42:16,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 18:42:16,653 INFO L168 Benchmark]: Toolchain (without parser) took 4767.61 ms. Allocated memory was 136.3 MB in the beginning and 253.8 MB in the end (delta: 117.4 MB). Free memory was 99.9 MB in the beginning and 220.6 MB in the end (delta: -120.7 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. [2019-12-18 18:42:16,654 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 18:42:16,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.15 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 99.5 MB in the beginning and 154.2 MB in the end (delta: -54.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-12-18 18:42:16,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.88 ms. Allocated memory is still 197.7 MB. Free memory was 154.2 MB in the beginning and 152.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-18 18:42:16,664 INFO L168 Benchmark]: Boogie Preprocessor took 28.53 ms. Allocated memory is still 197.7 MB. Free memory was 152.1 MB in the beginning and 150.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 18:42:16,665 INFO L168 Benchmark]: RCFGBuilder took 482.91 ms. Allocated memory is still 197.7 MB. Free memory was 150.7 MB in the beginning and 128.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-12-18 18:42:16,666 INFO L168 Benchmark]: TraceAbstraction took 3363.45 ms. Allocated memory was 197.7 MB in the beginning and 253.8 MB in the end (delta: 56.1 MB). Free memory was 127.9 MB in the beginning and 220.6 MB in the end (delta: -92.6 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. [2019-12-18 18:42:16,676 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.15 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 99.5 MB in the beginning and 154.2 MB in the end (delta: -54.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 71.88 ms. Allocated memory is still 197.7 MB. Free memory was 154.2 MB in the beginning and 152.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.53 ms. Allocated memory is still 197.7 MB. Free memory was 152.1 MB in the beginning and 150.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 482.91 ms. Allocated memory is still 197.7 MB. Free memory was 150.7 MB in the beginning and 128.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3363.45 ms. Allocated memory was 197.7 MB in the beginning and 253.8 MB in the end (delta: 56.1 MB). Free memory was 127.9 MB in the beginning and 220.6 MB in the end (delta: -92.6 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.1s, 75 ProgramPointsBefore, 27 ProgramPointsAfterwards, 63 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 363 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 749 CheckedPairsTotal, 49 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, 63 locations, 1 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 38 SDslu, 63 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 1834 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...