./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f99de79ed9343ed7ff4227bdc9de57b9c5de7421 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 18:27:04,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:27:04,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:27:04,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:27:04,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:27:04,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:27:04,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:27:04,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:27:04,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:27:04,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:27:04,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:27:04,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:27:04,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:27:04,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:27:04,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:27:04,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:27:04,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:27:04,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:27:04,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:27:04,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:27:04,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:27:04,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:27:04,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:27:04,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:27:04,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:27:04,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:27:04,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:27:04,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:27:04,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:27:04,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:27:04,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:27:04,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:27:04,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:27:04,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:27:04,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:27:04,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:27:04,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:27:04,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:27:04,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:27:04,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:27:04,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:27:04,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:27:04,827 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:27:04,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:27:04,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:27:04,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:27:04,832 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:27:04,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:27:04,833 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:27:04,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:27:04,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:27:04,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:27:04,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:27:04,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:27:04,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:27:04,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:27:04,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:27:04,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:27:04,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:27:04,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:27:04,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:27:04,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:27:04,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:27:04,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:27:04,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:27:04,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:27:04,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:27:04,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:27:04,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:27:04,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:27:04,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:27:04,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f99de79ed9343ed7ff4227bdc9de57b9c5de7421 [2019-11-28 18:27:05,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:27:05,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:27:05,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:27:05,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:27:05,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:27:05,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i [2019-11-28 18:27:05,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e146e5321/798e7c87c9204a0b8d19ab7b098b9ebd/FLAG58385d7ab [2019-11-28 18:27:05,810 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:27:05,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i [2019-11-28 18:27:05,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e146e5321/798e7c87c9204a0b8d19ab7b098b9ebd/FLAG58385d7ab [2019-11-28 18:27:06,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e146e5321/798e7c87c9204a0b8d19ab7b098b9ebd [2019-11-28 18:27:06,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:27:06,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:27:06,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:27:06,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:27:06,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:27:06,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fa7dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06, skipping insertion in model container [2019-11-28 18:27:06,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:27:06,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:27:06,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:27:06,687 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:27:06,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:27:06,861 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:27:06,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06 WrapperNode [2019-11-28 18:27:06,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:27:06,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:27:06,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:27:06,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:27:06,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:27:06,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:27:06,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:27:06,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:27:06,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (1/1) ... [2019-11-28 18:27:06,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:27:06,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:27:06,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:27:06,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:27:06,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (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 [2019-11-28 18:27:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:27:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:27:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:27:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:27:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:27:07,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:27:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:27:07,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:27:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:27:07,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:27:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:27:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:27:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:27:07,049 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 18:27:07,423 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:27:07,423 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:27:07,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:07 BoogieIcfgContainer [2019-11-28 18:27:07,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:27:07,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:27:07,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:27:07,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:27:07,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:27:06" (1/3) ... [2019-11-28 18:27:07,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5011199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:27:07, skipping insertion in model container [2019-11-28 18:27:07,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:06" (2/3) ... [2019-11-28 18:27:07,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5011199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:27:07, skipping insertion in model container [2019-11-28 18:27:07,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:07" (3/3) ... [2019-11-28 18:27:07,434 INFO L109 eAbstractionObserver]: Analyzing ICFG safe008_tso.oepc.i [2019-11-28 18:27:07,444 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:27:07,444 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:27:07,452 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:27:07,453 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:27:07,483 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,483 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,484 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,484 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,485 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,485 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,488 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,488 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,488 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,489 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,490 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,492 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,492 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,493 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,494 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:07,517 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:27:07,536 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:27:07,536 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:27:07,537 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:27:07,537 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:27:07,537 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:27:07,537 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:27:07,538 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:27:07,538 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:27:07,551 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions [2019-11-28 18:27:07,553 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:27:07,593 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:27:07,593 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:27:07,602 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:27:07,607 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-11-28 18:27:07,629 INFO L134 PetriNetUnfolder]: 1/51 cut-off events. [2019-11-28 18:27:07,629 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:27:07,631 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:27:07,636 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:27:07,637 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:27:08,934 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-11-28 18:27:09,217 INFO L206 etLargeBlockEncoding]: Checked pairs total: 442 [2019-11-28 18:27:09,217 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-11-28 18:27:09,221 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions [2019-11-28 18:27:09,235 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 54 states. [2019-11-28 18:27:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-11-28 18:27:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:27:09,245 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:09,246 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:09,246 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:09,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1632263201, now seen corresponding path program 1 times [2019-11-28 18:27:09,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:09,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956433556] [2019-11-28 18:27:09,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:27:09,556 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956433556] [2019-11-28 18:27:09,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:09,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:27:09,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149771962] [2019-11-28 18:27:09,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:27:09,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:09,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:27:09,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:27:09,582 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 4 states. [2019-11-28 18:27:09,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:09,640 INFO L93 Difference]: Finished difference Result 58 states and 113 transitions. [2019-11-28 18:27:09,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:09,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-28 18:27:09,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:09,654 INFO L225 Difference]: With dead ends: 58 [2019-11-28 18:27:09,655 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:27:09,656 INFO L630 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 [2019-11-28 18:27:09,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:27:09,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:27:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:27:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 68 transitions. [2019-11-28 18:27:09,697 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 68 transitions. Word has length 8 [2019-11-28 18:27:09,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:09,698 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 68 transitions. [2019-11-28 18:27:09,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:27:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-11-28 18:27:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:27:09,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:09,699 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:09,699 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:09,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:09,700 INFO L82 PathProgramCache]: Analyzing trace with hash -161820659, now seen corresponding path program 1 times [2019-11-28 18:27:09,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:09,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049845099] [2019-11-28 18:27:09,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:27:09,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049845099] [2019-11-28 18:27:09,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:09,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:09,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420596834] [2019-11-28 18:27:09,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:09,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:09,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:09,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:09,829 INFO L87 Difference]: Start difference. First operand 36 states and 68 transitions. Second operand 5 states. [2019-11-28 18:27:09,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:09,899 INFO L93 Difference]: Finished difference Result 37 states and 62 transitions. [2019-11-28 18:27:09,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:27:09,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:27:09,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:09,901 INFO L225 Difference]: With dead ends: 37 [2019-11-28 18:27:09,901 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 18:27:09,903 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-28 18:27:09,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 18:27:09,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 18:27:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 18:27:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 50 transitions. [2019-11-28 18:27:09,912 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 50 transitions. Word has length 9 [2019-11-28 18:27:09,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:09,913 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 50 transitions. [2019-11-28 18:27:09,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-11-28 18:27:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:27:09,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:09,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:09,914 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:09,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:09,915 INFO L82 PathProgramCache]: Analyzing trace with hash -721416518, now seen corresponding path program 1 times [2019-11-28 18:27:09,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:09,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707628343] [2019-11-28 18:27:09,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:27:10,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707628343] [2019-11-28 18:27:10,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:27:10,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117110029] [2019-11-28 18:27:10,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:27:10,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:27:10,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:27:10,049 INFO L87 Difference]: Start difference. First operand 30 states and 50 transitions. Second operand 6 states. [2019-11-28 18:27:10,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,129 INFO L93 Difference]: Finished difference Result 28 states and 44 transitions. [2019-11-28 18:27:10,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:27:10,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:27:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,130 INFO L225 Difference]: With dead ends: 28 [2019-11-28 18:27:10,130 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 18:27:10,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-28 18:27:10,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 18:27:10,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 18:27:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 18:27:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 38 transitions. [2019-11-28 18:27:10,135 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 38 transitions. Word has length 10 [2019-11-28 18:27:10,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,135 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 38 transitions. [2019-11-28 18:27:10,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:27:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2019-11-28 18:27:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:10,136 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,137 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,137 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,137 INFO L82 PathProgramCache]: Analyzing trace with hash -889030495, now seen corresponding path program 1 times [2019-11-28 18:27:10,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873816296] [2019-11-28 18:27:10,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:27:10,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873816296] [2019-11-28 18:27:10,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:10,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340388833] [2019-11-28 18:27:10,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:27:10,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:27:10,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:27:10,260 INFO L87 Difference]: Start difference. First operand 24 states and 38 transitions. Second operand 4 states. [2019-11-28 18:27:10,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,281 INFO L93 Difference]: Finished difference Result 27 states and 40 transitions. [2019-11-28 18:27:10,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:10,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:27:10,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,283 INFO L225 Difference]: With dead ends: 27 [2019-11-28 18:27:10,283 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 18:27:10,283 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:27:10,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 18:27:10,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 18:27:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 18:27:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-28 18:27:10,289 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2019-11-28 18:27:10,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,309 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-28 18:27:10,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:27:10,309 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2019-11-28 18:27:10,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:10,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,310 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,312 INFO L82 PathProgramCache]: Analyzing trace with hash -810586531, now seen corresponding path program 2 times [2019-11-28 18:27:10,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650511854] [2019-11-28 18:27:10,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:27:10,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650511854] [2019-11-28 18:27:10,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:10,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896043787] [2019-11-28 18:27:10,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:10,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:10,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:10,424 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 5 states. [2019-11-28 18:27:10,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,455 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-11-28 18:27:10,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:27:10,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:27:10,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,456 INFO L225 Difference]: With dead ends: 19 [2019-11-28 18:27:10,456 INFO L226 Difference]: Without dead ends: 14 [2019-11-28 18:27:10,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:27:10,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-28 18:27:10,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-28 18:27:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 18:27:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-11-28 18:27:10,463 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2019-11-28 18:27:10,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,464 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-11-28 18:27:10,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-11-28 18:27:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:10,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:10,465 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:10,465 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:10,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:10,467 INFO L82 PathProgramCache]: Analyzing trace with hash -821570761, now seen corresponding path program 3 times [2019-11-28 18:27:10,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:10,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731284088] [2019-11-28 18:27:10,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:27:10,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731284088] [2019-11-28 18:27:10,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:10,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:10,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119780709] [2019-11-28 18:27:10,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:10,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:10,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:10,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:10,593 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 5 states. [2019-11-28 18:27:10,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:10,611 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-11-28 18:27:10,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:10,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:27:10,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:10,612 INFO L225 Difference]: With dead ends: 13 [2019-11-28 18:27:10,612 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:27:10,613 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:27:10,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:27:10,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:27:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:27:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:27:10,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:27:10,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:10,616 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:27:10,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:27:10,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:27:10,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:27:10 BasicIcfg [2019-11-28 18:27:10,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:27:10,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:27:10,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:27:10,624 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:27:10,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:07" (3/4) ... [2019-11-28 18:27:10,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:27:10,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:27:10,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:27:10,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:27:10,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:27:10,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:27:10,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:27:10,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:27:10,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:27:10,713 INFO L168 Benchmark]: Toolchain (without parser) took 4590.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -207.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:10,713 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:10,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:10,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:10,720 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:10,726 INFO L168 Benchmark]: RCFGBuilder took 451.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:10,727 INFO L168 Benchmark]: TraceAbstraction took 3196.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:10,727 INFO L168 Benchmark]: Witness Printer took 88.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:10,732 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 740.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 451.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3196.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 88.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 63 ProgramPointsBefore, 22 ProgramPointsAfterwards, 54 TransitionsBefore, 17 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 234 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 3 SemBasedMoverChecksPositive, 13 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 442 CheckedPairsTotal, 45 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 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 55 SDtfs, 82 SDslu, 52 SDs, 0 SdLazy, 60 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 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...