./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.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_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/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 b3abf4b4d3a6797008cffaf0d91d02b8c036084d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:09:19,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:09:19,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:09:19,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:09:19,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:09:19,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:09:19,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:09:19,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:09:19,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:09:19,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:09:19,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:09:19,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:09:19,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:09:19,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:09:19,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:09:19,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:09:19,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:09:19,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:09:19,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:09:19,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:09:19,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:09:19,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:09:19,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:09:19,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:09:19,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:09:19,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:09:19,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:09:19,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:09:19,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:09:19,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:09:19,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:09:19,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:09:19,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:09:19,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:09:19,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:09:19,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:09:19,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:09:19,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:09:19,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:09:19,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:09:19,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:09:19,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:09:19,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:09:19,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:09:19,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:09:19,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:09:19,382 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:09:19,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:09:19,383 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:09:19,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:09:19,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:09:19,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:09:19,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:09:19,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:09:19,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:09:19,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:09:19,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:09:19,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:09:19,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:09:19,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:09:19,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:09:19,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:09:19,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:09:19,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:09:19,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:09:19,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:09:19,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:09:19,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:09:19,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:09:19,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:09:19,390 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_8935105c-73b5-42c2-9665-837a99f391ea/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 -> b3abf4b4d3a6797008cffaf0d91d02b8c036084d [2019-11-16 00:09:19,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:09:19,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:09:19,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:09:19,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:09:19,456 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:09:19,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i [2019-11-16 00:09:19,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/data/abfca33ff/b4243aa92aa84f168b25c3f1c03da9b9/FLAGa2adf5624 [2019-11-16 00:09:20,075 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:09:20,076 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i [2019-11-16 00:09:20,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/data/abfca33ff/b4243aa92aa84f168b25c3f1c03da9b9/FLAGa2adf5624 [2019-11-16 00:09:20,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/data/abfca33ff/b4243aa92aa84f168b25c3f1c03da9b9 [2019-11-16 00:09:20,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:09:20,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:09:20,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:09:20,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:09:20,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:09:20,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:20,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30031fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20, skipping insertion in model container [2019-11-16 00:09:20,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:20,364 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:09:20,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:09:20,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:09:20,871 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:09:20,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:09:20,995 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:09:20,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20 WrapperNode [2019-11-16 00:09:20,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:09:20,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:09:20,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:09:20,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:09:21,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:09:21,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:09:21,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:09:21,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:09:21,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... [2019-11-16 00:09:21,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:09:21,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:09:21,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:09:21,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:09:21,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/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 00:09:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:09:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-16 00:09:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:09:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:09:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-16 00:09:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-16 00:09:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-16 00:09:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-16 00:09:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-16 00:09:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-16 00:09:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-16 00:09:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:09:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:09:21,154 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 00:09:21,475 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:09:21,476 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:09:21,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:09:21 BoogieIcfgContainer [2019-11-16 00:09:21,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:09:21,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:09:21,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:09:21,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:09:21,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:09:20" (1/3) ... [2019-11-16 00:09:21,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b74d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:09:21, skipping insertion in model container [2019-11-16 00:09:21,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:09:20" (2/3) ... [2019-11-16 00:09:21,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b74d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:09:21, skipping insertion in model container [2019-11-16 00:09:21,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:09:21" (3/3) ... [2019-11-16 00:09:21,485 INFO L109 eAbstractionObserver]: Analyzing ICFG safe003_tso.oepc.i [2019-11-16 00:09:21,519 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,520 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,520 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,520 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,521 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,521 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,522 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,522 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,522 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,522 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,523 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,523 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,523 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,524 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,524 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,524 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,524 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,525 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:09:21,538 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-16 00:09:21,539 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:09:21,547 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:09:21,559 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:09:21,580 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:09:21,580 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:09:21,580 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:09:21,580 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:09:21,580 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:09:21,581 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:09:21,581 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:09:21,581 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:09:21,590 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 50 transitions [2019-11-16 00:09:21,681 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-16 00:09:21,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-16 00:09:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-16 00:09:21,710 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:09:21,711 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] [2019-11-16 00:09:21,715 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:09:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:09:21,719 INFO L82 PathProgramCache]: Analyzing trace with hash 720223975, now seen corresponding path program 1 times [2019-11-16 00:09:21,726 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:09:21,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251473392] [2019-11-16 00:09:21,727 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:21,727 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:21,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:09:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:09:22,054 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 00:09:22,055 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251473392] [2019-11-16 00:09:22,056 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:09:22,056 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:09:22,056 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411498139] [2019-11-16 00:09:22,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:09:22,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:09:22,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:09:22,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:09:22,076 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-16 00:09:22,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:09:22,183 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-16 00:09:22,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:09:22,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-16 00:09:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:09:22,208 INFO L225 Difference]: With dead ends: 1294 [2019-11-16 00:09:22,209 INFO L226 Difference]: Without dead ends: 600 [2019-11-16 00:09:22,210 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 00:09:22,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-16 00:09:22,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-16 00:09:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-16 00:09:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-16 00:09:22,337 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-16 00:09:22,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:09:22,338 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-16 00:09:22,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:09:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-16 00:09:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-16 00:09:22,350 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:09:22,350 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 00:09:22,350 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:09:22,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:09:22,355 INFO L82 PathProgramCache]: Analyzing trace with hash 850051549, now seen corresponding path program 1 times [2019-11-16 00:09:22,356 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:09:22,356 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625830848] [2019-11-16 00:09:22,356 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:22,356 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:22,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:09:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:09:22,506 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 00:09:22,507 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625830848] [2019-11-16 00:09:22,507 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:09:22,507 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:09:22,507 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264347600] [2019-11-16 00:09:22,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:09:22,509 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:09:22,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:09:22,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:09:22,510 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-16 00:09:22,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:09:22,582 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-16 00:09:22,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:09:22,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-16 00:09:22,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:09:22,589 INFO L225 Difference]: With dead ends: 600 [2019-11-16 00:09:22,589 INFO L226 Difference]: Without dead ends: 537 [2019-11-16 00:09:22,590 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 00:09:22,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-16 00:09:22,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-16 00:09:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-16 00:09:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-16 00:09:22,618 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-16 00:09:22,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:09:22,619 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-16 00:09:22,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:09:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-16 00:09:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:09:22,622 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:09:22,622 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 00:09:22,622 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:09:22,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:09:22,623 INFO L82 PathProgramCache]: Analyzing trace with hash -335397692, now seen corresponding path program 1 times [2019-11-16 00:09:22,623 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:09:22,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984328975] [2019-11-16 00:09:22,623 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:22,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:22,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:09:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:09:22,763 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 00:09:22,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984328975] [2019-11-16 00:09:22,764 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:09:22,764 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:09:22,764 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602528733] [2019-11-16 00:09:22,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:09:22,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:09:22,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:09:22,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:09:22,765 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-16 00:09:22,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:09:22,878 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-16 00:09:22,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:09:22,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-16 00:09:22,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:09:22,884 INFO L225 Difference]: With dead ends: 402 [2019-11-16 00:09:22,885 INFO L226 Difference]: Without dead ends: 348 [2019-11-16 00:09:22,885 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 [2019-11-16 00:09:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-16 00:09:22,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-16 00:09:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-16 00:09:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-16 00:09:22,898 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-16 00:09:22,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:09:22,898 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-16 00:09:22,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:09:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-16 00:09:22,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:09:22,901 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:09:22,902 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 00:09:22,902 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:09:22,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:09:22,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1628377498, now seen corresponding path program 1 times [2019-11-16 00:09:22,903 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:09:22,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509336821] [2019-11-16 00:09:22,903 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:22,903 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:22,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:09:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:09:23,054 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 00:09:23,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509336821] [2019-11-16 00:09:23,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:09:23,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:09:23,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501813774] [2019-11-16 00:09:23,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:09:23,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:09:23,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:09:23,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:09:23,056 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 6 states. [2019-11-16 00:09:23,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:09:23,169 INFO L93 Difference]: Finished difference Result 555 states and 1478 transitions. [2019-11-16 00:09:23,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:09:23,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-16 00:09:23,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:09:23,172 INFO L225 Difference]: With dead ends: 555 [2019-11-16 00:09:23,173 INFO L226 Difference]: Without dead ends: 312 [2019-11-16 00:09:23,173 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 [2019-11-16 00:09:23,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-11-16 00:09:23,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2019-11-16 00:09:23,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-11-16 00:09:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 821 transitions. [2019-11-16 00:09:23,186 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 821 transitions. Word has length 33 [2019-11-16 00:09:23,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:09:23,186 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 821 transitions. [2019-11-16 00:09:23,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:09:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 821 transitions. [2019-11-16 00:09:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:09:23,188 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:09:23,188 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 00:09:23,189 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:09:23,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:09:23,189 INFO L82 PathProgramCache]: Analyzing trace with hash 489398784, now seen corresponding path program 2 times [2019-11-16 00:09:23,190 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:09:23,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717744738] [2019-11-16 00:09:23,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:23,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:23,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:09:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:09:23,371 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 00:09:23,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717744738] [2019-11-16 00:09:23,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:09:23,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:09:23,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743753399] [2019-11-16 00:09:23,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:09:23,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:09:23,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:09:23,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:09:23,373 INFO L87 Difference]: Start difference. First operand 312 states and 821 transitions. Second operand 7 states. [2019-11-16 00:09:23,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:09:23,639 INFO L93 Difference]: Finished difference Result 474 states and 1280 transitions. [2019-11-16 00:09:23,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:09:23,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:09:23,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:09:23,643 INFO L225 Difference]: With dead ends: 474 [2019-11-16 00:09:23,644 INFO L226 Difference]: Without dead ends: 267 [2019-11-16 00:09:23,644 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:09:23,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-11-16 00:09:23,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2019-11-16 00:09:23,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-11-16 00:09:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 701 transitions. [2019-11-16 00:09:23,657 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 701 transitions. Word has length 33 [2019-11-16 00:09:23,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:09:23,657 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 701 transitions. [2019-11-16 00:09:23,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:09:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 701 transitions. [2019-11-16 00:09:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:09:23,663 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:09:23,664 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 00:09:23,664 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:09:23,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:09:23,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1444270720, now seen corresponding path program 3 times [2019-11-16 00:09:23,666 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:09:23,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616709955] [2019-11-16 00:09:23,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:23,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:09:23,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:09:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:09:23,848 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 00:09:23,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616709955] [2019-11-16 00:09:23,848 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:09:23,848 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:09:23,849 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593325787] [2019-11-16 00:09:23,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:09:23,849 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:09:23,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:09:23,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:09:23,850 INFO L87 Difference]: Start difference. First operand 267 states and 701 transitions. Second operand 7 states. [2019-11-16 00:09:23,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:09:23,973 INFO L93 Difference]: Finished difference Result 213 states and 539 transitions. [2019-11-16 00:09:23,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:09:23,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:09:23,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:09:23,974 INFO L225 Difference]: With dead ends: 213 [2019-11-16 00:09:23,974 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:09:23,974 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:09:23,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:09:23,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:09:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:09:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:09:23,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-16 00:09:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:09:23,976 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:09:23,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:09:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:09:23,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:09:23,980 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-16 00:09:23,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:09:23 BasicIcfg [2019-11-16 00:09:23,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:09:23,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:09:23,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:09:23,984 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:09:23,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:09:21" (3/4) ... [2019-11-16 00:09:23,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:09:23,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-16 00:09:23,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-16 00:09:23,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-16 00:09:24,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-16 00:09:24,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-16 00:09:24,054 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8935105c-73b5-42c2-9665-837a99f391ea/bin/uautomizer/witness.graphml [2019-11-16 00:09:24,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:09:24,057 INFO L168 Benchmark]: Toolchain (without parser) took 3710.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:09:24,057 INFO L168 Benchmark]: CDTParser took 0.31 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 00:09:24,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:09:24,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.28 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 00:09:24,059 INFO L168 Benchmark]: Boogie Preprocessor took 30.26 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 00:09:24,060 INFO L168 Benchmark]: RCFGBuilder took 400.55 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:09:24,060 INFO L168 Benchmark]: TraceAbstraction took 2504.89 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: -35.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:09:24,061 INFO L168 Benchmark]: Witness Printer took 71.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:09:24,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 649.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.28 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 30.26 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 400.55 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2504.89 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: -35.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 71.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 294 SDtfs, 363 SDslu, 722 SDs, 0 SdLazy, 107 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 16462 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...