./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.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/safe009_pso.opt.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 bbafd997b60dc8d7d343eddeac88d3f72e0226cc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:27:07,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:27:07,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:27:07,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:27:07,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:27:07,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:27:07,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:27:07,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:27:07,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:27:07,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:27:07,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:27:07,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:27:07,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:27:07,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:27:07,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:27:07,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:27:07,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:27:07,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:27:07,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:27:07,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:27:07,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:27:07,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:27:07,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:27:07,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:27:07,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:27:07,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:27:07,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:27:07,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:27:07,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:27:07,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:27:07,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:27:07,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:27:07,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:27:07,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:27:07,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:27:07,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:27:07,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:27:07,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:27:07,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:27:07,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:27:07,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:27:07,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:27:07,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:27:07,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:27:07,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:27:07,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:27:07,354 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:27:07,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:27:07,355 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:27:07,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:27:07,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:27:07,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:27:07,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:27:07,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:27:07,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:27:07,357 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:27:07,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:27:07,357 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:27:07,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:27:07,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:27:07,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:27:07,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:27:07,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:27:07,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:27:07,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:27:07,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:27:07,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:27:07,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:27:07,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:27:07,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:27:07,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:27:07,361 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 -> bbafd997b60dc8d7d343eddeac88d3f72e0226cc [2019-11-28 18:27:07,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:27:07,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:27:07,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:27:07,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:27:07,676 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:27:07,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i [2019-11-28 18:27:07,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62063cfb/c677beecd56348598006bfdd8bf3e746/FLAG8aa13e2e8 [2019-11-28 18:27:08,270 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:27:08,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i [2019-11-28 18:27:08,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62063cfb/c677beecd56348598006bfdd8bf3e746/FLAG8aa13e2e8 [2019-11-28 18:27:08,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62063cfb/c677beecd56348598006bfdd8bf3e746 [2019-11-28 18:27:08,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:27:08,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:27:08,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:27:08,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:27:08,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:27:08,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:27:08" (1/1) ... [2019-11-28 18:27:08,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc51a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:08, skipping insertion in model container [2019-11-28 18:27:08,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:27:08" (1/1) ... [2019-11-28 18:27:08,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:27:08,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:27:09,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:27:09,048 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:27:09,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:27:09,208 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:27:09,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09 WrapperNode [2019-11-28 18:27:09,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:27:09,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:27:09,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:27:09,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:27:09,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:27:09,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:27:09,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:27:09,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:27:09,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (1/1) ... [2019-11-28 18:27:09,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:27:09,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:27:09,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:27:09,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:27:09,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (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 18:27:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:27:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:27:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:27:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:27:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:27:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:27:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:27:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:27:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:27:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:27:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:27:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:27:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:27:09,358 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 18:27:09,723 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:27:09,724 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:27:09,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:09 BoogieIcfgContainer [2019-11-28 18:27:09,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:27:09,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:27:09,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:27:09,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:27:09,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:27:08" (1/3) ... [2019-11-28 18:27:09,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f0c312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:27:09, skipping insertion in model container [2019-11-28 18:27:09,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:27:09" (2/3) ... [2019-11-28 18:27:09,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f0c312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:27:09, skipping insertion in model container [2019-11-28 18:27:09,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:09" (3/3) ... [2019-11-28 18:27:09,736 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_pso.opt.i [2019-11-28 18:27:09,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:27:09,746 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:27:09,757 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:27:09,758 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:27:09,787 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,787 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,788 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,788 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,789 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,789 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,789 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,790 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,790 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,790 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,791 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,791 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,791 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,792 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,792 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,792 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,793 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,793 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:27:09,822 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:27:09,839 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:27:09,839 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:27:09,840 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:27:09,840 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:27:09,840 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:27:09,841 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:27:09,841 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:27:09,841 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:27:09,858 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 53 transitions [2019-11-28 18:27:09,860 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-11-28 18:27:09,929 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-11-28 18:27:09,929 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:27:09,935 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:27:09,938 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-11-28 18:27:09,959 INFO L134 PetriNetUnfolder]: 1/50 cut-off events. [2019-11-28 18:27:09,961 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:27:09,962 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:27:09,964 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:27:09,965 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:27:11,067 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-28 18:27:11,264 INFO L206 etLargeBlockEncoding]: Checked pairs total: 444 [2019-11-28 18:27:11,264 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-11-28 18:27:11,268 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-11-28 18:27:11,280 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-11-28 18:27:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-28 18:27:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:27:11,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:11,294 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:11,295 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:11,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:11,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1049428584, now seen corresponding path program 1 times [2019-11-28 18:27:11,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:11,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827999854] [2019-11-28 18:27:11,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:27:11,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827999854] [2019-11-28 18:27:11,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:11,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:27:11,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807394409] [2019-11-28 18:27:11,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:27:11,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:11,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:27:11,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:27:11,719 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2019-11-28 18:27:11,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:11,793 INFO L93 Difference]: Finished difference Result 51 states and 97 transitions. [2019-11-28 18:27:11,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:11,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-28 18:27:11,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:11,809 INFO L225 Difference]: With dead ends: 51 [2019-11-28 18:27:11,809 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:27:11,811 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 18:27:11,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:27:11,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:27:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:27:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 68 transitions. [2019-11-28 18:27:11,852 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 68 transitions. Word has length 8 [2019-11-28 18:27:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:11,853 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 68 transitions. [2019-11-28 18:27:11,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:27:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-11-28 18:27:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:27:11,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:11,855 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:11,855 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:11,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1605762269, now seen corresponding path program 1 times [2019-11-28 18:27:11,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:11,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3238588] [2019-11-28 18:27:11,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:11,964 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 18:27:11,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3238588] [2019-11-28 18:27:11,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:11,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:11,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573928050] [2019-11-28 18:27:11,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:11,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:11,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:11,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:11,969 INFO L87 Difference]: Start difference. First operand 36 states and 68 transitions. Second operand 5 states. [2019-11-28 18:27:12,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:12,033 INFO L93 Difference]: Finished difference Result 37 states and 62 transitions. [2019-11-28 18:27:12,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:27:12,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:27:12,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:12,035 INFO L225 Difference]: With dead ends: 37 [2019-11-28 18:27:12,035 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 18:27:12,036 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 18:27:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 18:27:12,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 18:27:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 18:27:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 50 transitions. [2019-11-28 18:27:12,043 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 50 transitions. Word has length 9 [2019-11-28 18:27:12,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:12,044 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 50 transitions. [2019-11-28 18:27:12,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-11-28 18:27:12,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:27:12,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:12,046 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:12,046 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:12,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:12,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1761057975, now seen corresponding path program 1 times [2019-11-28 18:27:12,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:12,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436767365] [2019-11-28 18:27:12,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:12,171 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 18:27:12,172 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436767365] [2019-11-28 18:27:12,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:12,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:27:12,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058779889] [2019-11-28 18:27:12,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:27:12,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:12,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:27:12,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:27:12,174 INFO L87 Difference]: Start difference. First operand 30 states and 50 transitions. Second operand 6 states. [2019-11-28 18:27:12,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:12,260 INFO L93 Difference]: Finished difference Result 28 states and 44 transitions. [2019-11-28 18:27:12,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:27:12,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:27:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:12,262 INFO L225 Difference]: With dead ends: 28 [2019-11-28 18:27:12,262 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 18:27:12,263 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 18:27:12,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 18:27:12,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 18:27:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 18:27:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 38 transitions. [2019-11-28 18:27:12,268 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 38 transitions. Word has length 10 [2019-11-28 18:27:12,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:12,269 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 38 transitions. [2019-11-28 18:27:12,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:27:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2019-11-28 18:27:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:12,270 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:12,270 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:12,271 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:12,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:12,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1241694939, now seen corresponding path program 1 times [2019-11-28 18:27:12,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:12,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561952652] [2019-11-28 18:27:12,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:12,358 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 18:27:12,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561952652] [2019-11-28 18:27:12,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:12,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:12,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263400765] [2019-11-28 18:27:12,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:12,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:12,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:12,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:12,361 INFO L87 Difference]: Start difference. First operand 24 states and 38 transitions. Second operand 5 states. [2019-11-28 18:27:12,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:12,391 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2019-11-28 18:27:12,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:27:12,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:27:12,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:12,393 INFO L225 Difference]: With dead ends: 32 [2019-11-28 18:27:12,393 INFO L226 Difference]: Without dead ends: 18 [2019-11-28 18:27:12,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:27:12,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-28 18:27:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-28 18:27:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 18:27:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2019-11-28 18:27:12,397 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 11 [2019-11-28 18:27:12,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:12,398 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-11-28 18:27:12,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-11-28 18:27:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:12,399 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:12,399 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:12,400 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:12,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:12,400 INFO L82 PathProgramCache]: Analyzing trace with hash -379741151, now seen corresponding path program 2 times [2019-11-28 18:27:12,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:12,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043926486] [2019-11-28 18:27:12,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:12,491 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 18:27:12,491 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043926486] [2019-11-28 18:27:12,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:12,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:12,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679642286] [2019-11-28 18:27:12,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:27:12,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:12,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:27:12,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:27:12,496 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand 4 states. [2019-11-28 18:27:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:12,523 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2019-11-28 18:27:12,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:12,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-28 18:27:12,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:12,525 INFO L225 Difference]: With dead ends: 21 [2019-11-28 18:27:12,525 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 18:27:12,527 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 18:27:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 18:27:12,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 18:27:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 18:27:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-28 18:27:12,530 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 11 [2019-11-28 18:27:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:12,530 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-28 18:27:12,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:27:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-28 18:27:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:27:12,532 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:27:12,532 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:27:12,533 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:27:12,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:27:12,533 INFO L82 PathProgramCache]: Analyzing trace with hash -377953691, now seen corresponding path program 3 times [2019-11-28 18:27:12,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:27:12,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992546568] [2019-11-28 18:27:12,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:27:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:27:12,631 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 18:27:12,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992546568] [2019-11-28 18:27:12,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:27:12,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:27:12,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225101457] [2019-11-28 18:27:12,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:27:12,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:27:12,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:27:12,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:27:12,634 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 5 states. [2019-11-28 18:27:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:27:12,656 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2019-11-28 18:27:12,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:27:12,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:27:12,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:27:12,657 INFO L225 Difference]: With dead ends: 16 [2019-11-28 18:27:12,657 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:27:12,658 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 18:27:12,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:27:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:27:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:27:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:27:12,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:27:12,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:27:12,677 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:27:12,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:27:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:27:12,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:27:12,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:27:12 BasicIcfg [2019-11-28 18:27:12,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:27:12,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:27:12,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:27:12,684 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:27:12,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:27:09" (3/4) ... [2019-11-28 18:27:12,688 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:27:12,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:27:12,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:27:12,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:27:12,704 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:27:12,705 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:27:12,705 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:27:12,752 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:27:12,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:27:12,754 INFO L168 Benchmark]: Toolchain (without parser) took 4213.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -259.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:12,754 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:27:12,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:12,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.54 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:12,757 INFO L168 Benchmark]: Boogie Preprocessor took 28.72 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 18:27:12,757 INFO L168 Benchmark]: RCFGBuilder took 425.58 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:12,758 INFO L168 Benchmark]: TraceAbstraction took 2955.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.8 MB). Peak memory consumption was 272.4 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:12,759 INFO L168 Benchmark]: Witness Printer took 69.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:27:12,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 667.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.54 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.72 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 425.58 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2955.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.8 MB). Peak memory consumption was 272.4 MB. Max. memory is 11.5 GB. * Witness Printer took 69.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 62 ProgramPointsBefore, 21 ProgramPointsAfterwards, 53 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 13 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 219 VarBasedMoverChecksPositive, 16 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 15 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 444 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, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 54 SDtfs, 86 SDslu, 51 SDs, 0 SdLazy, 65 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=46occurred 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...