./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe037_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe037_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer --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 52fb212ec99341e6f9f48006fcd8fa26d0c18e53 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:13:10,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:13:10,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:13:10,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:13:10,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:13:10,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:13:10,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:13:10,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:13:10,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:13:10,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:13:10,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:13:10,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:13:10,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:13:10,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:13:10,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:13:10,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:13:10,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:13:10,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:13:10,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:13:10,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:13:10,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:13:10,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:13:10,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:13:10,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:13:10,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:13:10,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:13:10,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:13:10,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:13:10,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:13:10,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:13:10,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:13:10,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:13:10,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:13:10,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:13:10,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:13:10,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:13:10,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:13:10,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:13:10,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:13:10,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:13:10,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:13:10,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:13:10,530 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:13:10,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:13:10,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:13:10,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:13:10,534 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:13:10,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:13:10,535 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:13:10,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:13:10,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:13:10,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:13:10,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:13:10,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:13:10,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:13:10,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:13:10,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:13:10,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:13:10,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:13:10,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:13:10,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:13:10,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:13:10,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:13:10,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:13:10,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:13:10,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:13:10,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:13:10,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:13:10,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:13:10,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:13:10,541 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer 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 -> 52fb212ec99341e6f9f48006fcd8fa26d0c18e53 [2019-11-16 00:13:10,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:13:10,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:13:10,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:13:10,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:13:10,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:13:10,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe037_tso.opt.i [2019-11-16 00:13:10,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/data/de57a052e/4c6d0849e713445086c1deb61b53873c/FLAGc26234806 [2019-11-16 00:13:11,105 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:13:11,106 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/sv-benchmarks/c/pthread-wmm/safe037_tso.opt.i [2019-11-16 00:13:11,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/data/de57a052e/4c6d0849e713445086c1deb61b53873c/FLAGc26234806 [2019-11-16 00:13:11,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/data/de57a052e/4c6d0849e713445086c1deb61b53873c [2019-11-16 00:13:11,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:13:11,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:13:11,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:13:11,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:13:11,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:13:11,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:13:11" (1/1) ... [2019-11-16 00:13:11,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be70ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:11, skipping insertion in model container [2019-11-16 00:13:11,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:13:11" (1/1) ... [2019-11-16 00:13:11,465 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:13:11,514 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:13:11,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:13:11,983 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:13:12,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:13:12,115 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:13:12,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12 WrapperNode [2019-11-16 00:13:12,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:13:12,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:13:12,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:13:12,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:13:12,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:13:12,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:13:12,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:13:12,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:13:12,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... [2019-11-16 00:13:12,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:13:12,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:13:12,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:13:12,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:13:12,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/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 [2019-11-16 00:13:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:13:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-16 00:13:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:13:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:13:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-16 00:13:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-16 00:13:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-16 00:13:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-16 00:13:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-16 00:13:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-16 00:13:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-16 00:13:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:13:12,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:13:12,247 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-16 00:13:12,555 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:13:12,555 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:13:12,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:12 BoogieIcfgContainer [2019-11-16 00:13:12,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:13:12,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:13:12,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:13:12,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:13:12,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:13:11" (1/3) ... [2019-11-16 00:13:12,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fce5ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:12, skipping insertion in model container [2019-11-16 00:13:12,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:12" (2/3) ... [2019-11-16 00:13:12,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fce5ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:12, skipping insertion in model container [2019-11-16 00:13:12,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:12" (3/3) ... [2019-11-16 00:13:12,564 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_tso.opt.i [2019-11-16 00:13:12,593 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,593 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,594 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,594 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,594 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,594 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,595 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,595 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,595 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,595 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,595 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,595 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,596 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,596 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,596 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,596 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,597 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,597 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:13:12,615 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-16 00:13:12,615 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:13:12,624 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:13:12,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:13:12,652 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:13:12,653 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:13:12,653 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:13:12,653 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:13:12,653 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:13:12,653 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:13:12,654 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:13:12,654 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:13:12,665 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-11-16 00:13:12,749 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-16 00:13:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-16 00:13:12,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-16 00:13:12,773 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:12,774 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:13:12,776 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:12,781 INFO L82 PathProgramCache]: Analyzing trace with hash 781262921, now seen corresponding path program 1 times [2019-11-16 00:13:12,788 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:13:12,789 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790143629] [2019-11-16 00:13:12,789 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:12,789 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:12,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:13:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:13:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:13,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790143629] [2019-11-16 00:13:13,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:13:13,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:13:13,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503030893] [2019-11-16 00:13:13,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:13:13,174 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:13:13,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:13:13,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:13:13,189 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-16 00:13:13,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:13:13,296 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-16 00:13:13,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:13:13,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-16 00:13:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:13:13,339 INFO L225 Difference]: With dead ends: 1295 [2019-11-16 00:13:13,339 INFO L226 Difference]: Without dead ends: 601 [2019-11-16 00:13:13,340 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:13:13,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-16 00:13:13,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-16 00:13:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-16 00:13:13,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-16 00:13:13,429 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-16 00:13:13,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:13:13,429 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-16 00:13:13,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:13:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-16 00:13:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:13:13,432 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:13,432 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:13:13,432 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:13,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1800163204, now seen corresponding path program 1 times [2019-11-16 00:13:13,433 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:13:13,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434013618] [2019-11-16 00:13:13,433 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:13,433 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:13,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:13:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:13:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:13,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434013618] [2019-11-16 00:13:13,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:13:13,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:13:13,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288193110] [2019-11-16 00:13:13,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:13:13,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:13:13,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:13:13,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:13:13,568 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-16 00:13:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:13:13,646 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-16 00:13:13,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:13:13,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-16 00:13:13,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:13:13,652 INFO L225 Difference]: With dead ends: 601 [2019-11-16 00:13:13,652 INFO L226 Difference]: Without dead ends: 538 [2019-11-16 00:13:13,653 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:13:13,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-16 00:13:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-16 00:13:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-16 00:13:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-16 00:13:13,682 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-16 00:13:13,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:13:13,683 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-16 00:13:13,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:13:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-16 00:13:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:13:13,687 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:13,687 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:13:13,687 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:13,688 INFO L82 PathProgramCache]: Analyzing trace with hash 875892326, now seen corresponding path program 1 times [2019-11-16 00:13:13,688 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:13:13,688 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868338503] [2019-11-16 00:13:13,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:13,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:13,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:13:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:13:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:13,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868338503] [2019-11-16 00:13:13,803 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:13:13,803 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:13:13,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664844273] [2019-11-16 00:13:13,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:13:13,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:13:13,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:13:13,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:13:13,804 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-16 00:13:13,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:13:13,890 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-16 00:13:13,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:13:13,891 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-16 00:13:13,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:13:13,894 INFO L225 Difference]: With dead ends: 403 [2019-11-16 00:13:13,894 INFO L226 Difference]: Without dead ends: 349 [2019-11-16 00:13:13,894 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:13:13,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-16 00:13:13,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-16 00:13:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-16 00:13:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-16 00:13:13,907 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-16 00:13:13,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:13:13,907 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-16 00:13:13,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:13:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-16 00:13:13,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-16 00:13:13,909 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:13,909 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:13:13,909 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:13,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:13,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1874157502, now seen corresponding path program 1 times [2019-11-16 00:13:13,910 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:13:13,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539306364] [2019-11-16 00:13:13,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:13,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:13,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:13:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:13:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:14,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539306364] [2019-11-16 00:13:14,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:13:14,077 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:13:14,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591322958] [2019-11-16 00:13:14,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:13:14,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:13:14,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:13:14,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:13:14,079 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-16 00:13:14,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:13:14,224 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-11-16 00:13:14,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:13:14,225 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-16 00:13:14,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:13:14,228 INFO L225 Difference]: With dead ends: 556 [2019-11-16 00:13:14,228 INFO L226 Difference]: Without dead ends: 325 [2019-11-16 00:13:14,228 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:13:14,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-16 00:13:14,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2019-11-16 00:13:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-11-16 00:13:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-11-16 00:13:14,241 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-11-16 00:13:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:13:14,241 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-11-16 00:13:14,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:13:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-11-16 00:13:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-16 00:13:14,243 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:14,243 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:13:14,243 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:14,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:14,243 INFO L82 PathProgramCache]: Analyzing trace with hash -606700324, now seen corresponding path program 2 times [2019-11-16 00:13:14,244 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:13:14,244 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438622952] [2019-11-16 00:13:14,244 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:14,244 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:14,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:13:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:13:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:14,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438622952] [2019-11-16 00:13:14,412 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:13:14,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:13:14,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933483053] [2019-11-16 00:13:14,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:13:14,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:13:14,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:13:14,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:13:14,414 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 7 states. [2019-11-16 00:13:14,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:13:14,590 INFO L93 Difference]: Finished difference Result 496 states and 1326 transitions. [2019-11-16 00:13:14,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:13:14,591 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-16 00:13:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:13:14,593 INFO L225 Difference]: With dead ends: 496 [2019-11-16 00:13:14,593 INFO L226 Difference]: Without dead ends: 289 [2019-11-16 00:13:14,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:13:14,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-11-16 00:13:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 280. [2019-11-16 00:13:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-11-16 00:13:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 726 transitions. [2019-11-16 00:13:14,605 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 726 transitions. Word has length 34 [2019-11-16 00:13:14,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:13:14,605 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 726 transitions. [2019-11-16 00:13:14,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:13:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 726 transitions. [2019-11-16 00:13:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-16 00:13:14,607 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:14,607 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:13:14,607 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:14,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:14,608 INFO L82 PathProgramCache]: Analyzing trace with hash -283564964, now seen corresponding path program 3 times [2019-11-16 00:13:14,608 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:13:14,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450407765] [2019-11-16 00:13:14,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:14,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:14,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:13:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:13:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:14,754 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450407765] [2019-11-16 00:13:14,754 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:13:14,755 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:13:14,755 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110199229] [2019-11-16 00:13:14,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:13:14,755 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:13:14,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:13:14,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:13:14,756 INFO L87 Difference]: Start difference. First operand 280 states and 726 transitions. Second operand 7 states. [2019-11-16 00:13:14,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:13:14,882 INFO L93 Difference]: Finished difference Result 226 states and 564 transitions. [2019-11-16 00:13:14,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:13:14,882 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-16 00:13:14,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:13:14,883 INFO L225 Difference]: With dead ends: 226 [2019-11-16 00:13:14,883 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:13:14,883 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:13:14,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:13:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:13:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:13:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:13:14,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-16 00:13:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:13:14,884 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:13:14,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:13:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:13:14,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:13:14,887 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-16 00:13:14,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:13:14 BasicIcfg [2019-11-16 00:13:14,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:13:14,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:13:14,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:13:14,892 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:13:14,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:12" (3/4) ... [2019-11-16 00:13:14,895 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:13:14,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-16 00:13:14,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-16 00:13:14,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-16 00:13:14,909 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-16 00:13:14,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-16 00:13:14,984 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d0076df7-2c2c-4256-9727-1a69fb5d13d6/bin/uautomizer/witness.graphml [2019-11-16 00:13:14,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:13:14,986 INFO L168 Benchmark]: Toolchain (without parser) took 3538.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 939.4 MB in the beginning and 865.7 MB in the end (delta: 73.6 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:14,986 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:13:14,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:14,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.43 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. [2019-11-16 00:13:14,987 INFO L168 Benchmark]: Boogie Preprocessor took 24.98 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. [2019-11-16 00:13:14,988 INFO L168 Benchmark]: RCFGBuilder took 371.42 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: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:14,992 INFO L168 Benchmark]: TraceAbstraction took 2332.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.7 MB in the end (delta: 226.1 MB). Peak memory consumption was 226.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:14,993 INFO L168 Benchmark]: Witness Printer took 92.55 ms. Allocated memory is still 1.2 GB. Free memory is still 865.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:13:14,994 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 668.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.43 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 24.98 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 371.42 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: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2332.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.7 MB in the end (delta: 226.1 MB). Peak memory consumption was 226.1 MB. Max. memory is 11.5 GB. * Witness Printer took 92.55 ms. Allocated memory is still 1.2 GB. Free memory is still 865.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 66 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 320 SDtfs, 366 SDslu, 919 SDs, 0 SdLazy, 120 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 17634 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...