/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:22:54,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:22:54,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:22:54,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:22:54,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:22:54,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:22:54,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:22:54,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:22:54,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:22:54,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:22:54,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:22:54,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:22:54,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:22:54,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:22:54,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:22:54,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:22:54,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:22:54,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:22:54,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:22:54,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:22:54,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:22:54,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:22:54,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:22:54,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:22:54,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 05:22:54,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:22:54,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:22:54,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:22:54,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:22:54,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:22:54,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:22:54,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:22:54,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:22:54,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:22:54,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:22:54,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:22:54,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 05:22:54,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:22:54,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:22:54,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:22:54,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:22:54,553 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:22:54,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:22:54,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:22:54,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:22:54,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:22:54,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:22:54,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:22:54,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:22:54,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:22:54,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:22:54,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:22:54,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:22:54,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:22:54,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:22:54,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:22:54,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:22:54,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:22:54,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:22:54,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:22:54,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:22:54,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:22:54,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:22:54,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:22:54,559 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:22:54,560 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:22:54,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:22:54,561 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:22:54,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:22:54,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:22:54,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:22:54,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:22:54,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:22:54,851 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:22:54,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2019-12-28 05:22:54,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f44e0d1f/6ee0e420806c4f628934deb52f1c355e/FLAGe1449fd24 [2019-12-28 05:22:55,475 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:22:55,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2019-12-28 05:22:55,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f44e0d1f/6ee0e420806c4f628934deb52f1c355e/FLAGe1449fd24 [2019-12-28 05:22:55,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f44e0d1f/6ee0e420806c4f628934deb52f1c355e [2019-12-28 05:22:55,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:22:55,754 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:22:55,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:22:55,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:22:55,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:22:55,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:22:55" (1/1) ... [2019-12-28 05:22:55,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e24b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:55, skipping insertion in model container [2019-12-28 05:22:55,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:22:55" (1/1) ... [2019-12-28 05:22:55,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:22:55,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:22:56,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:22:56,377 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:22:56,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:22:56,553 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:22:56,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56 WrapperNode [2019-12-28 05:22:56,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:22:56,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:22:56,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:22:56,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:22:56,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:22:56,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:22:56,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:22:56,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:22:56,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... [2019-12-28 05:22:56,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:22:56,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:22:56,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:22:56,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:22:56,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:22:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:22:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 05:22:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:22:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:22:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 05:22:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 05:22:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 05:22:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 05:22:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 05:22:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 05:22:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 05:22:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:22:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:22:56,705 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:22:57,073 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:22:57,074 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 05:22:57,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:22:57 BoogieIcfgContainer [2019-12-28 05:22:57,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:22:57,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:22:57,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:22:57,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:22:57,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:22:55" (1/3) ... [2019-12-28 05:22:57,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c25901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:22:57, skipping insertion in model container [2019-12-28 05:22:57,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:56" (2/3) ... [2019-12-28 05:22:57,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c25901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:22:57, skipping insertion in model container [2019-12-28 05:22:57,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:22:57" (3/3) ... [2019-12-28 05:22:57,084 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_tso.opt.i [2019-12-28 05:22:57,093 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:22:57,094 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:22:57,102 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:22:57,103 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:22:57,131 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,131 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,131 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,132 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,132 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,133 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,133 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,133 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,134 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,134 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,134 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,135 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,135 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,135 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,135 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,136 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,136 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,136 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,140 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,141 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,141 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,141 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,149 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,150 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,150 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,151 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,153 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,154 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,154 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,154 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:57,178 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 05:22:57,194 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:22:57,195 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:22:57,195 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:22:57,195 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:22:57,195 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:22:57,195 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:22:57,195 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:22:57,196 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:22:57,207 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 53 transitions [2019-12-28 05:22:57,291 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-12-28 05:22:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-12-28 05:22:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-28 05:22:57,310 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:57,311 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:22:57,311 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:57,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:57,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1039992911, now seen corresponding path program 1 times [2019-12-28 05:22:57,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:57,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156589126] [2019-12-28 05:22:57,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:57,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:57,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156589126] [2019-12-28 05:22:57,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:57,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:22:57,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1404382218] [2019-12-28 05:22:57,694 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:57,703 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:57,725 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 31 states and 30 transitions. [2019-12-28 05:22:57,726 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:57,730 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:57,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:22:57,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:57,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:22:57,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:22:57,749 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-12-28 05:22:57,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:57,862 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-12-28 05:22:57,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 05:22:57,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-28 05:22:57,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:57,903 INFO L225 Difference]: With dead ends: 1294 [2019-12-28 05:22:57,904 INFO L226 Difference]: Without dead ends: 600 [2019-12-28 05:22:57,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:22:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-12-28 05:22:58,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-12-28 05:22:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-12-28 05:22:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-12-28 05:22:58,048 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-12-28 05:22:58,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:58,048 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-12-28 05:22:58,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:22:58,049 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-12-28 05:22:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 05:22:58,054 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:58,054 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:22:58,055 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:58,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:58,056 INFO L82 PathProgramCache]: Analyzing trace with hash -194802381, now seen corresponding path program 1 times [2019-12-28 05:22:58,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:58,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477766634] [2019-12-28 05:22:58,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:58,249 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477766634] [2019-12-28 05:22:58,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:58,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:22:58,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [385773544] [2019-12-28 05:22:58,250 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:58,253 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:58,259 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 47 transitions. [2019-12-28 05:22:58,259 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:58,262 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-28 05:22:58,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:22:58,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:58,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:22:58,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:22:58,265 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-12-28 05:22:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:58,344 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-12-28 05:22:58,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 05:22:58,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-28 05:22:58,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:58,350 INFO L225 Difference]: With dead ends: 600 [2019-12-28 05:22:58,350 INFO L226 Difference]: Without dead ends: 537 [2019-12-28 05:22:58,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:22:58,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-12-28 05:22:58,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-12-28 05:22:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-12-28 05:22:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-12-28 05:22:58,377 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-12-28 05:22:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:58,377 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-12-28 05:22:58,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:22:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-12-28 05:22:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 05:22:58,379 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:58,380 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:22:58,380 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:58,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:58,380 INFO L82 PathProgramCache]: Analyzing trace with hash 149291031, now seen corresponding path program 1 times [2019-12-28 05:22:58,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:58,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767283037] [2019-12-28 05:22:58,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:58,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767283037] [2019-12-28 05:22:58,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:58,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:22:58,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [518876170] [2019-12-28 05:22:58,574 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:58,578 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:58,584 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 41 states and 48 transitions. [2019-12-28 05:22:58,585 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:58,586 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-28 05:22:58,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:22:58,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:58,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:22:58,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:22:58,587 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-12-28 05:22:58,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:58,706 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-12-28 05:22:58,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:22:58,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-12-28 05:22:58,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:58,710 INFO L225 Difference]: With dead ends: 402 [2019-12-28 05:22:58,711 INFO L226 Difference]: Without dead ends: 348 [2019-12-28 05:22:58,711 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:22:58,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-12-28 05:22:58,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-12-28 05:22:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-28 05:22:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-12-28 05:22:58,729 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-12-28 05:22:58,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:58,730 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-12-28 05:22:58,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:22:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-12-28 05:22:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:22:58,735 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:58,735 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:22:58,736 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:58,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1292788502, now seen corresponding path program 1 times [2019-12-28 05:22:58,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:58,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702320113] [2019-12-28 05:22:58,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:58,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702320113] [2019-12-28 05:22:58,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:58,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:22:58,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1162001594] [2019-12-28 05:22:58,939 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:58,945 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:58,954 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 05:22:58,954 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:58,955 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:58,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:22:58,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:58,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:22:58,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:22:58,956 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 6 states. [2019-12-28 05:22:59,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:59,100 INFO L93 Difference]: Finished difference Result 564 states and 1499 transitions. [2019-12-28 05:22:59,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 05:22:59,101 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 05:22:59,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:59,104 INFO L225 Difference]: With dead ends: 564 [2019-12-28 05:22:59,104 INFO L226 Difference]: Without dead ends: 267 [2019-12-28 05:22:59,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:22:59,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-12-28 05:22:59,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2019-12-28 05:22:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-12-28 05:22:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 701 transitions. [2019-12-28 05:22:59,118 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 701 transitions. Word has length 33 [2019-12-28 05:22:59,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:59,119 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 701 transitions. [2019-12-28 05:22:59,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:22:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 701 transitions. [2019-12-28 05:22:59,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:22:59,122 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:59,122 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:22:59,122 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:59,123 INFO L82 PathProgramCache]: Analyzing trace with hash 839661758, now seen corresponding path program 2 times [2019-12-28 05:22:59,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:59,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946320534] [2019-12-28 05:22:59,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:59,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946320534] [2019-12-28 05:22:59,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:59,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:22:59,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1723868701] [2019-12-28 05:22:59,312 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:59,315 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:59,319 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 34 states and 33 transitions. [2019-12-28 05:22:59,319 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:59,320 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:59,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:22:59,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:59,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:22:59,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:22:59,321 INFO L87 Difference]: Start difference. First operand 267 states and 701 transitions. Second operand 7 states. [2019-12-28 05:22:59,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:59,433 INFO L93 Difference]: Finished difference Result 438 states and 1181 transitions. [2019-12-28 05:22:59,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:22:59,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 05:22:59,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:59,436 INFO L225 Difference]: With dead ends: 438 [2019-12-28 05:22:59,436 INFO L226 Difference]: Without dead ends: 264 [2019-12-28 05:22:59,437 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-28 05:22:59,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-12-28 05:22:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-12-28 05:22:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-12-28 05:22:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-12-28 05:22:59,446 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-12-28 05:22:59,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:59,446 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-12-28 05:22:59,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:22:59,447 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-12-28 05:22:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:22:59,448 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:59,448 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:22:59,448 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:59,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:59,448 INFO L82 PathProgramCache]: Analyzing trace with hash 301806180, now seen corresponding path program 3 times [2019-12-28 05:22:59,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:59,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764064310] [2019-12-28 05:22:59,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:59,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764064310] [2019-12-28 05:22:59,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:59,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:22:59,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [139540382] [2019-12-28 05:22:59,567 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:59,570 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:59,576 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 05:22:59,576 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:59,653 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 05:22:59,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 05:22:59,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:59,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 05:22:59,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:22:59,657 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 8 states. [2019-12-28 05:22:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:59,811 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-12-28 05:22:59,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:22:59,811 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-28 05:22:59,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:59,812 INFO L225 Difference]: With dead ends: 210 [2019-12-28 05:22:59,812 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 05:22:59,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-28 05:22:59,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 05:22:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 05:22:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 05:22:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 05:22:59,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-12-28 05:22:59,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:59,814 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 05:22:59,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 05:22:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 05:22:59,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 05:22:59,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:22:59 BasicIcfg [2019-12-28 05:22:59,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:22:59,823 INFO L168 Benchmark]: Toolchain (without parser) took 4068.48 ms. Allocated memory was 138.4 MB in the beginning and 249.6 MB in the end (delta: 111.1 MB). Free memory was 102.2 MB in the beginning and 137.1 MB in the end (delta: -34.9 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:59,824 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-28 05:22:59,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.62 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 156.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:59,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.24 ms. Allocated memory is still 201.9 MB. Free memory was 156.9 MB in the beginning and 154.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:59,827 INFO L168 Benchmark]: Boogie Preprocessor took 25.30 ms. Allocated memory is still 201.9 MB. Free memory was 154.9 MB in the beginning and 153.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:59,828 INFO L168 Benchmark]: RCFGBuilder took 432.70 ms. Allocated memory is still 201.9 MB. Free memory was 153.6 MB in the beginning and 133.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:59,829 INFO L168 Benchmark]: TraceAbstraction took 2743.91 ms. Allocated memory was 201.9 MB in the beginning and 249.6 MB in the end (delta: 47.7 MB). Free memory was 132.3 MB in the beginning and 137.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-12-28 05:22:59,833 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 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.62 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 156.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.24 ms. Allocated memory is still 201.9 MB. Free memory was 156.9 MB in the beginning and 154.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.30 ms. Allocated memory is still 201.9 MB. Free memory was 154.9 MB in the beginning and 153.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 432.70 ms. Allocated memory is still 201.9 MB. Free memory was 153.6 MB in the beginning and 133.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2743.91 ms. Allocated memory was 201.9 MB in the beginning and 249.6 MB in the end (delta: 47.7 MB). Free memory was 132.3 MB in the beginning and 137.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 346 SDslu, 723 SDs, 0 SdLazy, 100 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 16026 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...