./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_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_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/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 4d9b4e00b73fabdf19b43e98c5244793e7e12202 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:49:51,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:49:51,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:49:51,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:49:51,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:49:51,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:49:51,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:49:51,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:49:51,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:49:51,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:49:51,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:49:51,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:49:51,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:49:51,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:49:51,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:49:51,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:49:51,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:49:51,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:49:51,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:49:51,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:49:51,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:49:51,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:49:51,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:49:51,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:49:51,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:49:51,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:49:51,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:49:51,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:49:51,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:49:51,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:49:51,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:49:51,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:49:51,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:49:51,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:49:51,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:49:51,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:49:51,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:49:51,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:49:51,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:49:51,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:49:51,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:49:51,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:49:51,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:49:51,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:49:51,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:49:51,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:49:51,260 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:49:51,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:49:51,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:49:51,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:49:51,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:49:51,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:49:51,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:49:51,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:49:51,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:49:51,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:49:51,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:49:51,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:49:51,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:49:51,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:49:51,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:49:51,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:49:51,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:49:51,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:49:51,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:49:51,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:49:51,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:49:51,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:49:51,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:49:51,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:49:51,273 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_12a6ffb3-d04e-4734-9a5a-7957770c0e55/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 -> 4d9b4e00b73fabdf19b43e98c5244793e7e12202 [2019-11-15 22:49:51,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:49:51,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:49:51,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:49:51,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:49:51,341 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:49:51,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-15 22:49:51,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/data/6c960d65b/eb0af010bc664167a5dde8cc4405f531/FLAG2f8c42c08 [2019-11-15 22:49:51,945 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:49:51,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-15 22:49:51,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/data/6c960d65b/eb0af010bc664167a5dde8cc4405f531/FLAG2f8c42c08 [2019-11-15 22:49:52,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/data/6c960d65b/eb0af010bc664167a5dde8cc4405f531 [2019-11-15 22:49:52,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:49:52,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:49:52,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:49:52,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:49:52,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:49:52,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:49:52" (1/1) ... [2019-11-15 22:49:52,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4544c513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:52, skipping insertion in model container [2019-11-15 22:49:52,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:49:52" (1/1) ... [2019-11-15 22:49:52,286 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:49:52,332 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:49:52,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:49:52,976 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:49:53,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:49:53,135 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:49:53,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53 WrapperNode [2019-11-15 22:49:53,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:49:53,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:49:53,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:49:53,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:49:53,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:49:53,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:49:53,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:49:53,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:49:53,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... [2019-11-15 22:49:53,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:49:53,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:49:53,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:49:53,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:49:53,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/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 [2019-11-15 22:49:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:49:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 22:49:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:49:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:49:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 22:49:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 22:49:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 22:49:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 22:49:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 22:49:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 22:49:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 22:49:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:49:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:49:53,301 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:49:53,683 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:49:53,683 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 22:49:53,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:53 BoogieIcfgContainer [2019-11-15 22:49:53,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:49:53,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:49:53,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:49:53,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:49:53,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:49:52" (1/3) ... [2019-11-15 22:49:53,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b83083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:49:53, skipping insertion in model container [2019-11-15 22:49:53,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:53" (2/3) ... [2019-11-15 22:49:53,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b83083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:49:53, skipping insertion in model container [2019-11-15 22:49:53,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:53" (3/3) ... [2019-11-15 22:49:53,694 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt.i [2019-11-15 22:49:53,733 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,733 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,733 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,733 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,734 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,734 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,735 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,735 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,735 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,735 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,735 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,736 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,736 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,736 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,736 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,737 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,737 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,737 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:49:53,749 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:49:53,750 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:49:53,758 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:49:53,771 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:49:53,793 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:49:53,793 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:49:53,794 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:49:53,794 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:49:53,794 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:49:53,794 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:49:53,794 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:49:53,794 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:49:53,805 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 48 transitions [2019-11-15 22:49:53,909 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1245 states. [2019-11-15 22:49:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states. [2019-11-15 22:49:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 22:49:53,929 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:49:53,930 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] [2019-11-15 22:49:53,932 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:49:53,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:53,938 INFO L82 PathProgramCache]: Analyzing trace with hash 55768687, now seen corresponding path program 1 times [2019-11-15 22:49:53,946 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:53,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554761225] [2019-11-15 22:49:53,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:53,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:53,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:54,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554761225] [2019-11-15 22:49:54,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:54,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:49:54,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788603393] [2019-11-15 22:49:54,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:49:54,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:54,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:49:54,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:49:54,390 INFO L87 Difference]: Start difference. First operand 1245 states. Second operand 4 states. [2019-11-15 22:49:54,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:54,507 INFO L93 Difference]: Finished difference Result 1292 states and 3958 transitions. [2019-11-15 22:49:54,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:49:54,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-11-15 22:49:54,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:49:54,537 INFO L225 Difference]: With dead ends: 1292 [2019-11-15 22:49:54,537 INFO L226 Difference]: Without dead ends: 598 [2019-11-15 22:49:54,539 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:49:54,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2019-11-15 22:49:54,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2019-11-15 22:49:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-11-15 22:49:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1773 transitions. [2019-11-15 22:49:54,650 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1773 transitions. Word has length 28 [2019-11-15 22:49:54,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:49:54,650 INFO L462 AbstractCegarLoop]: Abstraction has 598 states and 1773 transitions. [2019-11-15 22:49:54,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:49:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1773 transitions. [2019-11-15 22:49:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 22:49:54,655 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:49:54,655 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] [2019-11-15 22:49:54,657 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:49:54,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:54,657 INFO L82 PathProgramCache]: Analyzing trace with hash -257354937, now seen corresponding path program 1 times [2019-11-15 22:49:54,658 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:54,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378995435] [2019-11-15 22:49:54,658 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:54,658 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:54,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:54,844 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378995435] [2019-11-15 22:49:54,844 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:54,845 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:49:54,845 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753333018] [2019-11-15 22:49:54,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:49:54,847 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:54,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:49:54,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:49:54,848 INFO L87 Difference]: Start difference. First operand 598 states and 1773 transitions. Second operand 5 states. [2019-11-15 22:49:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:54,964 INFO L93 Difference]: Finished difference Result 598 states and 1692 transitions. [2019-11-15 22:49:54,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:49:54,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-15 22:49:54,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:49:54,978 INFO L225 Difference]: With dead ends: 598 [2019-11-15 22:49:54,979 INFO L226 Difference]: Without dead ends: 535 [2019-11-15 22:49:54,980 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:49:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2019-11-15 22:49:55,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2019-11-15 22:49:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-11-15 22:49:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 1542 transitions. [2019-11-15 22:49:55,034 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 1542 transitions. Word has length 29 [2019-11-15 22:49:55,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:49:55,036 INFO L462 AbstractCegarLoop]: Abstraction has 535 states and 1542 transitions. [2019-11-15 22:49:55,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:49:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1542 transitions. [2019-11-15 22:49:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 22:49:55,050 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:49:55,051 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] [2019-11-15 22:49:55,051 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:49:55,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:55,051 INFO L82 PathProgramCache]: Analyzing trace with hash 859056734, now seen corresponding path program 1 times [2019-11-15 22:49:55,052 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:55,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190738682] [2019-11-15 22:49:55,053 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:55,053 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:55,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:55,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190738682] [2019-11-15 22:49:55,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:55,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:49:55,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246079114] [2019-11-15 22:49:55,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:49:55,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:55,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:49:55,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:49:55,214 INFO L87 Difference]: Start difference. First operand 535 states and 1542 transitions. Second operand 6 states. [2019-11-15 22:49:55,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:55,349 INFO L93 Difference]: Finished difference Result 400 states and 1056 transitions. [2019-11-15 22:49:55,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:49:55,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-11-15 22:49:55,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:49:55,354 INFO L225 Difference]: With dead ends: 400 [2019-11-15 22:49:55,354 INFO L226 Difference]: Without dead ends: 346 [2019-11-15 22:49:55,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:49:55,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-15 22:49:55,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2019-11-15 22:49:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2019-11-15 22:49:55,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 912 transitions. [2019-11-15 22:49:55,373 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 912 transitions. Word has length 30 [2019-11-15 22:49:55,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:49:55,374 INFO L462 AbstractCegarLoop]: Abstraction has 346 states and 912 transitions. [2019-11-15 22:49:55,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:49:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 912 transitions. [2019-11-15 22:49:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:49:55,376 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:49:55,377 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] [2019-11-15 22:49:55,377 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:49:55,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:55,378 INFO L82 PathProgramCache]: Analyzing trace with hash 2041543876, now seen corresponding path program 1 times [2019-11-15 22:49:55,378 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:55,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177967189] [2019-11-15 22:49:55,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:55,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:55,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:55,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177967189] [2019-11-15 22:49:55,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:55,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:49:55,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450261442] [2019-11-15 22:49:55,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:49:55,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:55,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:49:55,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:49:55,604 INFO L87 Difference]: Start difference. First operand 346 states and 912 transitions. Second operand 6 states. [2019-11-15 22:49:55,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:55,736 INFO L93 Difference]: Finished difference Result 517 states and 1392 transitions. [2019-11-15 22:49:55,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:49:55,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 22:49:55,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:49:55,740 INFO L225 Difference]: With dead ends: 517 [2019-11-15 22:49:55,740 INFO L226 Difference]: Without dead ends: 274 [2019-11-15 22:49:55,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:49:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-11-15 22:49:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2019-11-15 22:49:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-15 22:49:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 723 transitions. [2019-11-15 22:49:55,755 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 723 transitions. Word has length 31 [2019-11-15 22:49:55,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:49:55,755 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 723 transitions. [2019-11-15 22:49:55,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:49:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 723 transitions. [2019-11-15 22:49:55,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:49:55,759 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:49:55,760 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] [2019-11-15 22:49:55,760 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:49:55,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:55,761 INFO L82 PathProgramCache]: Analyzing trace with hash 2068895164, now seen corresponding path program 2 times [2019-11-15 22:49:55,761 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:55,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029441406] [2019-11-15 22:49:55,762 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:55,762 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:55,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:55,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029441406] [2019-11-15 22:49:55,954 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:55,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:49:55,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499670428] [2019-11-15 22:49:55,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:49:55,955 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:55,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:49:55,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:49:55,956 INFO L87 Difference]: Start difference. First operand 274 states and 723 transitions. Second operand 6 states. [2019-11-15 22:49:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:56,101 INFO L93 Difference]: Finished difference Result 436 states and 1182 transitions. [2019-11-15 22:49:56,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:49:56,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 22:49:56,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:49:56,107 INFO L225 Difference]: With dead ends: 436 [2019-11-15 22:49:56,107 INFO L226 Difference]: Without dead ends: 250 [2019-11-15 22:49:56,108 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:49:56,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-15 22:49:56,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2019-11-15 22:49:56,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-11-15 22:49:56,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 669 transitions. [2019-11-15 22:49:56,121 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 669 transitions. Word has length 31 [2019-11-15 22:49:56,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:49:56,124 INFO L462 AbstractCegarLoop]: Abstraction has 250 states and 669 transitions. [2019-11-15 22:49:56,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:49:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 669 transitions. [2019-11-15 22:49:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:49:56,130 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:49:56,130 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] [2019-11-15 22:49:56,131 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:49:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:56,131 INFO L82 PathProgramCache]: Analyzing trace with hash 372643248, now seen corresponding path program 3 times [2019-11-15 22:49:56,132 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:56,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909307108] [2019-11-15 22:49:56,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:56,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:56,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:56,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909307108] [2019-11-15 22:49:56,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:56,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:49:56,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094204610] [2019-11-15 22:49:56,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:49:56,326 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:56,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:49:56,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:49:56,327 INFO L87 Difference]: Start difference. First operand 250 states and 669 transitions. Second operand 6 states. [2019-11-15 22:49:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:56,436 INFO L93 Difference]: Finished difference Result 196 states and 507 transitions. [2019-11-15 22:49:56,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:49:56,436 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 22:49:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:49:56,437 INFO L225 Difference]: With dead ends: 196 [2019-11-15 22:49:56,437 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:49:56,437 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:49:56,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:49:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:49:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:49:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:49:56,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2019-11-15 22:49:56,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:49:56,439 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:49:56,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:49:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:49:56,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:49:56,444 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 22:49:56,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:49:56 BasicIcfg [2019-11-15 22:49:56,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:49:56,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:49:56,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:49:56,448 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:49:56,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:53" (3/4) ... [2019-11-15 22:49:56,453 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:49:56,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 22:49:56,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 22:49:56,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 22:49:56,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 22:49:56,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 22:49:56,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12a6ffb3-d04e-4734-9a5a-7957770c0e55/bin/uautomizer/witness.graphml [2019-11-15 22:49:56,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:49:56,574 INFO L168 Benchmark]: Toolchain (without parser) took 4304.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 893.4 MB in the end (delta: 46.0 MB). Peak memory consumption was 200.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:56,575 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-11-15 22:49:56,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:56,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.98 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. [2019-11-15 22:49:56,576 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 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. [2019-11-15 22:49:56,581 INFO L168 Benchmark]: RCFGBuilder took 458.52 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:56,582 INFO L168 Benchmark]: TraceAbstraction took 2761.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.5 MB in the end (delta: 184.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:56,587 INFO L168 Benchmark]: Witness Printer took 123.86 ms. Allocated memory is still 1.2 GB. Free memory was 900.5 MB in the beginning and 893.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:56,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 867.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.98 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. * Boogie Preprocessor took 23.19 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 458.52 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2761.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.5 MB in the end (delta: 184.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. * Witness Printer took 123.86 ms. Allocated memory is still 1.2 GB. Free memory was 900.5 MB in the beginning and 893.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. 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, 63 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 288 SDslu, 666 SDs, 0 SdLazy, 88 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1245occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 12498 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...