./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe017_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/safe017_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 76149a61cc5865dda484bba829e2e62b466d8677 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:29:23,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:29:23,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:29:23,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:29:23,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:29:23,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:29:23,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:29:23,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:29:23,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:29:23,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:29:23,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:29:23,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:29:23,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:29:23,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:29:23,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:29:23,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:29:23,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:29:23,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:29:23,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:29:23,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:29:23,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:29:23,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:29:23,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:29:23,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:29:23,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:29:23,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:29:23,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:29:23,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:29:23,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:29:23,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:29:23,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:29:23,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:29:23,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:29:23,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:29:23,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:29:23,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:29:23,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:29:23,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:29:23,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:29:23,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:29:23,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:29:23,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:29:23,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:29:23,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:29:23,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:29:23,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:29:23,512 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:29:23,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:29:23,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:29:23,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:29:23,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:29:23,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:29:23,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:29:23,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:29:23,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:29:23,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:29:23,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:29:23,517 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:29:23,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:29:23,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:29:23,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:29:23,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:29:23,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:29:23,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:29:23,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:29:23,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:29:23,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:29:23,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:29:23,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:29:23,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:29:23,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:29:23,521 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 -> 76149a61cc5865dda484bba829e2e62b466d8677 [2019-11-28 18:29:23,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:29:23,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:29:23,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:29:23,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:29:23,851 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:29:23,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i [2019-11-28 18:29:23,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8853df144/f5e3bec5f2804e34a8d110ba5ef26cb6/FLAG745568587 [2019-11-28 18:29:24,448 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:29:24,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i [2019-11-28 18:29:24,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8853df144/f5e3bec5f2804e34a8d110ba5ef26cb6/FLAG745568587 [2019-11-28 18:29:24,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8853df144/f5e3bec5f2804e34a8d110ba5ef26cb6 [2019-11-28 18:29:24,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:29:24,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:29:24,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:29:24,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:29:24,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:29:24,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:29:24" (1/1) ... [2019-11-28 18:29:24,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca2e8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:24, skipping insertion in model container [2019-11-28 18:29:24,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:29:24" (1/1) ... [2019-11-28 18:29:24,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:29:24,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:29:25,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:29:25,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:29:25,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:29:25,428 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:29:25,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25 WrapperNode [2019-11-28 18:29:25,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:29:25,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:29:25,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:29:25,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:29:25,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:29:25,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:29:25,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:29:25,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:29:25,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (1/1) ... [2019-11-28 18:29:25,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:29:25,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:29:25,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:29:25,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:29:25,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (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 18:29:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:29:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 18:29:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:29:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:29:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 18:29:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 18:29:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 18:29:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 18:29:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 18:29:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 18:29:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 18:29:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:29:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:29:25,585 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 18:29:25,947 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:29:25,948 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 18:29:25,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:29:25 BoogieIcfgContainer [2019-11-28 18:29:25,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:29:25,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:29:25,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:29:25,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:29:25,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:29:24" (1/3) ... [2019-11-28 18:29:25,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798c3c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:29:25, skipping insertion in model container [2019-11-28 18:29:25,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:29:25" (2/3) ... [2019-11-28 18:29:25,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798c3c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:29:25, skipping insertion in model container [2019-11-28 18:29:25,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:29:25" (3/3) ... [2019-11-28 18:29:25,957 INFO L109 eAbstractionObserver]: Analyzing ICFG safe017_tso.oepc.i [2019-11-28 18:29:25,967 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:29:25,967 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:29:25,977 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 18:29:25,978 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:29:26,006 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,007 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,007 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,008 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,008 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,008 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,009 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,009 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,009 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,009 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,010 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,010 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,010 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,011 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,011 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,012 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:29:26,035 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-28 18:29:26,052 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:29:26,052 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:29:26,053 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:29:26,053 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:29:26,053 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:29:26,053 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:29:26,054 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:29:26,054 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:29:26,065 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 52 transitions [2019-11-28 18:29:26,068 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 61 places, 52 transitions [2019-11-28 18:29:26,108 INFO L134 PetriNetUnfolder]: 1/49 cut-off events. [2019-11-28 18:29:26,108 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:29:26,120 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 49 events. 1/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/56 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:29:26,124 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 61 places, 52 transitions [2019-11-28 18:29:26,142 INFO L134 PetriNetUnfolder]: 1/49 cut-off events. [2019-11-28 18:29:26,143 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:29:26,145 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 49 events. 1/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs. 9/56 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-11-28 18:29:26,147 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-11-28 18:29:26,148 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:29:27,386 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-28 18:29:27,571 INFO L206 etLargeBlockEncoding]: Checked pairs total: 495 [2019-11-28 18:29:27,571 INFO L214 etLargeBlockEncoding]: Total number of compositions: 42 [2019-11-28 18:29:27,576 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-11-28 18:29:27,591 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-11-28 18:29:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-28 18:29:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:29:27,608 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:29:27,609 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:29:27,609 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:29:27,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:29:27,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1253178052, now seen corresponding path program 1 times [2019-11-28 18:29:27,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:29:27,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279978355] [2019-11-28 18:29:27,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:29:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:29:28,052 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 18:29:28,053 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279978355] [2019-11-28 18:29:28,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:29:28,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:29:28,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027611892] [2019-11-28 18:29:28,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:29:28,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:29:28,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:29:28,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:29:28,081 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2019-11-28 18:29:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:29:28,150 INFO L93 Difference]: Finished difference Result 51 states and 97 transitions. [2019-11-28 18:29:28,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 18:29:28,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-28 18:29:28,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:29:28,166 INFO L225 Difference]: With dead ends: 51 [2019-11-28 18:29:28,166 INFO L226 Difference]: Without dead ends: 36 [2019-11-28 18:29:28,168 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 18:29:28,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-28 18:29:28,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-28 18:29:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-28 18:29:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 68 transitions. [2019-11-28 18:29:28,211 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 68 transitions. Word has length 8 [2019-11-28 18:29:28,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:29:28,212 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 68 transitions. [2019-11-28 18:29:28,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:29:28,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-11-28 18:29:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:29:28,213 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:29:28,214 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:29:28,214 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:29:28,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:29:28,215 INFO L82 PathProgramCache]: Analyzing trace with hash 194738218, now seen corresponding path program 1 times [2019-11-28 18:29:28,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:29:28,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981862386] [2019-11-28 18:29:28,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:29:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:29:28,348 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 18:29:28,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981862386] [2019-11-28 18:29:28,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:29:28,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:29:28,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555620277] [2019-11-28 18:29:28,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:29:28,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:29:28,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:29:28,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:29:28,353 INFO L87 Difference]: Start difference. First operand 36 states and 68 transitions. Second operand 5 states. [2019-11-28 18:29:28,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:29:28,405 INFO L93 Difference]: Finished difference Result 37 states and 62 transitions. [2019-11-28 18:29:28,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:29:28,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 18:29:28,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:29:28,407 INFO L225 Difference]: With dead ends: 37 [2019-11-28 18:29:28,407 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 18:29:28,409 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 18:29:28,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 18:29:28,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 18:29:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 18:29:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 50 transitions. [2019-11-28 18:29:28,415 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 50 transitions. Word has length 9 [2019-11-28 18:29:28,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:29:28,416 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 50 transitions. [2019-11-28 18:29:28,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:29:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-11-28 18:29:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:29:28,417 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:29:28,417 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:29:28,418 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:29:28,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:29:28,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1741966261, now seen corresponding path program 1 times [2019-11-28 18:29:28,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:29:28,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748466638] [2019-11-28 18:29:28,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:29:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:29:28,518 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 18:29:28,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748466638] [2019-11-28 18:29:28,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:29:28,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:29:28,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615583839] [2019-11-28 18:29:28,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 18:29:28,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:29:28,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 18:29:28,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 18:29:28,520 INFO L87 Difference]: Start difference. First operand 30 states and 50 transitions. Second operand 6 states. [2019-11-28 18:29:28,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:29:28,613 INFO L93 Difference]: Finished difference Result 28 states and 44 transitions. [2019-11-28 18:29:28,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:29:28,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 18:29:28,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:29:28,614 INFO L225 Difference]: With dead ends: 28 [2019-11-28 18:29:28,614 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 18:29:28,615 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 18:29:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 18:29:28,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 18:29:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 18:29:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 38 transitions. [2019-11-28 18:29:28,619 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 38 transitions. Word has length 10 [2019-11-28 18:29:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:29:28,620 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 38 transitions. [2019-11-28 18:29:28,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 18:29:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2019-11-28 18:29:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:29:28,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:29:28,621 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:29:28,621 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:29:28,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:29:28,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1833570036, now seen corresponding path program 1 times [2019-11-28 18:29:28,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:29:28,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868029304] [2019-11-28 18:29:28,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:29:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:29:28,697 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 18:29:28,698 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868029304] [2019-11-28 18:29:28,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:29:28,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:29:28,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566181699] [2019-11-28 18:29:28,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:29:28,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:29:28,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:29:28,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:29:28,702 INFO L87 Difference]: Start difference. First operand 24 states and 38 transitions. Second operand 3 states. [2019-11-28 18:29:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:29:28,716 INFO L93 Difference]: Finished difference Result 30 states and 43 transitions. [2019-11-28 18:29:28,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:29:28,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-28 18:29:28,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:29:28,718 INFO L225 Difference]: With dead ends: 30 [2019-11-28 18:29:28,718 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 18:29:28,718 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:29:28,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 18:29:28,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 18:29:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 18:29:28,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-28 18:29:28,722 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 11 [2019-11-28 18:29:28,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:29:28,723 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-28 18:29:28,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:29:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-28 18:29:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:29:28,724 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:29:28,724 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:29:28,725 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:29:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:29:28,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1620137860, now seen corresponding path program 2 times [2019-11-28 18:29:28,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:29:28,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230836624] [2019-11-28 18:29:28,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:29:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:29:28,805 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 18:29:28,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230836624] [2019-11-28 18:29:28,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:29:28,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:29:28,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194255642] [2019-11-28 18:29:28,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:29:28,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:29:28,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:29:28,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:29:28,811 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 5 states. [2019-11-28 18:29:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:29:28,840 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-11-28 18:29:28,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:29:28,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:29:28,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:29:28,842 INFO L225 Difference]: With dead ends: 20 [2019-11-28 18:29:28,842 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 18:29:28,842 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 18:29:28,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 18:29:28,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 18:29:28,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 18:29:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-28 18:29:28,848 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2019-11-28 18:29:28,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:29:28,848 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-28 18:29:28,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:29:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2019-11-28 18:29:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 18:29:28,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:29:28,851 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:29:28,852 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:29:28,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:29:28,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1621925320, now seen corresponding path program 3 times [2019-11-28 18:29:28,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:29:28,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620765478] [2019-11-28 18:29:28,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:29:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:29:28,973 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 18:29:28,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620765478] [2019-11-28 18:29:28,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:29:28,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 18:29:28,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683052651] [2019-11-28 18:29:28,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 18:29:28,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:29:28,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 18:29:28,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 18:29:28,977 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 5 states. [2019-11-28 18:29:28,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:29:29,000 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-28 18:29:29,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 18:29:29,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 18:29:29,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:29:29,001 INFO L225 Difference]: With dead ends: 15 [2019-11-28 18:29:29,001 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 18:29:29,002 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 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 18:29:29,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 18:29:29,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 18:29:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 18:29:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 18:29:29,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 18:29:29,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:29:29,003 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 18:29:29,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 18:29:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 18:29:29,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 18:29:29,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:29:29 BasicIcfg [2019-11-28 18:29:29,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:29:29,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:29:29,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:29:29,011 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:29:29,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:29:25" (3/4) ... [2019-11-28 18:29:29,015 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 18:29:29,023 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-28 18:29:29,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-28 18:29:29,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-28 18:29:29,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-28 18:29:29,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 18:29:29,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 18:29:29,099 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:29:29,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:29:29,122 INFO L168 Benchmark]: Toolchain (without parser) took 4400.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -254.4 MB). Peak memory consumption was 286.3 MB. Max. memory is 11.5 GB. [2019-11-28 18:29:29,122 INFO L168 Benchmark]: CDTParser took 0.31 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 18:29:29,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 18:29:29,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.46 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 18:29:29,130 INFO L168 Benchmark]: Boogie Preprocessor took 28.86 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 18:29:29,130 INFO L168 Benchmark]: RCFGBuilder took 436.04 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-28 18:29:29,135 INFO L168 Benchmark]: TraceAbstraction took 3059.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 820.0 MB in the end (delta: 260.5 MB). Peak memory consumption was 260.5 MB. Max. memory is 11.5 GB. [2019-11-28 18:29:29,136 INFO L168 Benchmark]: Witness Printer took 108.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 820.0 MB in the beginning and 1.2 GB in the end (delta: -384.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-28 18:29:29,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 709.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.46 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 28.86 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 436.04 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3059.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 820.0 MB in the end (delta: 260.5 MB). Peak memory consumption was 260.5 MB. Max. memory is 11.5 GB. * Witness Printer took 108.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 820.0 MB in the beginning and 1.2 GB in the end (delta: -384.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 61 ProgramPointsBefore, 21 ProgramPointsAfterwards, 52 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 238 VarBasedMoverChecksPositive, 16 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 17 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 495 CheckedPairsTotal, 42 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, 52 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 55 SDtfs, 85 SDslu, 55 SDs, 0 SdLazy, 59 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s 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, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 1994 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...