./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_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_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/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 4116f88163e322474a05a86cb733d0ae1b6fd487 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:45:47,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:45:47,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:45:47,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:45:47,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:45:47,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:45:47,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:45:47,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:45:47,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:45:47,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:45:47,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:45:47,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:45:47,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:45:47,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:45:47,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:45:47,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:45:47,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:45:47,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:45:47,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:45:47,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:45:47,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:45:47,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:45:47,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:45:47,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:45:47,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:45:47,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:45:47,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:45:47,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:45:47,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:45:47,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:45:47,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:45:47,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:45:47,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:45:47,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:45:47,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:45:47,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:45:47,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:45:47,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:45:47,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:45:47,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:45:47,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:45:47,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:45:47,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:45:47,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:45:47,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:45:47,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:45:47,544 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:45:47,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:45:47,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:45:47,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:45:47,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:45:47,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:45:47,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:45:47,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:45:47,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:45:47,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:45:47,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:45:47,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:45:47,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:45:47,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:45:47,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:45:47,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:45:47,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:45:47,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:45:47,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:45:47,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:45:47,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:45:47,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:45:47,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:45:47,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:45:47,550 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_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/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 -> 4116f88163e322474a05a86cb733d0ae1b6fd487 [2019-11-15 23:45:47,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:45:47,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:45:47,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:45:47,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:45:47,603 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:45:47,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe007_tso.opt.i [2019-11-15 23:45:47,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/data/145760030/1873cbe1b77d471386f6c90f4ac83a8f/FLAGe3decfa1f [2019-11-15 23:45:48,290 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:45:48,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/sv-benchmarks/c/pthread-wmm/safe007_tso.opt.i [2019-11-15 23:45:48,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/data/145760030/1873cbe1b77d471386f6c90f4ac83a8f/FLAGe3decfa1f [2019-11-15 23:45:48,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/data/145760030/1873cbe1b77d471386f6c90f4ac83a8f [2019-11-15 23:45:48,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:45:48,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:45:48,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:45:48,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:45:48,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:45:48,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:45:48" (1/1) ... [2019-11-15 23:45:48,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f95247c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:48, skipping insertion in model container [2019-11-15 23:45:48,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:45:48" (1/1) ... [2019-11-15 23:45:48,528 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:45:48,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:45:49,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:45:49,034 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:45:49,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:45:49,184 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:45:49,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49 WrapperNode [2019-11-15 23:45:49,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:45:49,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:45:49,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:45:49,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:45:49,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:45:49,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:45:49,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:45:49,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:45:49,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... [2019-11-15 23:45:49,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:45:49,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:45:49,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:45:49,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:45:49,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/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 23:45:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:45:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:45:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:45:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:45:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:45:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:45:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:45:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:45:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 23:45:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 23:45:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:45:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:45:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:45:49,352 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 23:45:49,738 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:45:49,739 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:45:49,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:45:49 BoogieIcfgContainer [2019-11-15 23:45:49,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:45:49,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:45:49,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:45:49,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:45:49,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:45:48" (1/3) ... [2019-11-15 23:45:49,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573a7a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:45:49, skipping insertion in model container [2019-11-15 23:45:49,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:45:49" (2/3) ... [2019-11-15 23:45:49,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573a7a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:45:49, skipping insertion in model container [2019-11-15 23:45:49,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:45:49" (3/3) ... [2019-11-15 23:45:49,749 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_tso.opt.i [2019-11-15 23:45:49,783 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,783 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,784 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,784 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,784 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,785 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,785 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,785 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,786 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,786 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,786 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,787 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,787 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,787 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,788 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,788 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,788 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,789 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:45:49,806 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:45:49,806 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:45:49,816 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:45:49,829 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:45:49,852 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:45:49,852 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:45:49,853 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:45:49,853 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:45:49,853 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:45:49,853 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:45:49,853 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:45:49,854 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:45:49,865 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-11-15 23:45:49,965 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-15 23:45:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-15 23:45:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:45:49,987 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:45:49,988 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 23:45:49,990 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:45:49,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:45:49,997 INFO L82 PathProgramCache]: Analyzing trace with hash -605360585, now seen corresponding path program 1 times [2019-11-15 23:45:50,007 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:45:50,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690958222] [2019-11-15 23:45:50,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:50,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:50,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:45:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:45:50,435 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 23:45:50,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690958222] [2019-11-15 23:45:50,437 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:45:50,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:45:50,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171777121] [2019-11-15 23:45:50,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:45:50,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:45:50,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:45:50,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:45:50,460 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-15 23:45:50,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:45:50,610 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-15 23:45:50,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:45:50,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-15 23:45:50,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:45:50,646 INFO L225 Difference]: With dead ends: 1295 [2019-11-15 23:45:50,649 INFO L226 Difference]: Without dead ends: 601 [2019-11-15 23:45:50,651 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 [2019-11-15 23:45:50,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-15 23:45:50,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-15 23:45:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-15 23:45:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-15 23:45:50,797 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-15 23:45:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:45:50,798 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-15 23:45:50,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:45:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-15 23:45:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:45:50,803 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:45:50,803 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] [2019-11-15 23:45:50,804 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:45:50,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:45:50,804 INFO L82 PathProgramCache]: Analyzing trace with hash -26294924, now seen corresponding path program 1 times [2019-11-15 23:45:50,804 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:45:50,805 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928405535] [2019-11-15 23:45:50,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:50,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:50,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:45:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:45:50,976 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 23:45:50,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928405535] [2019-11-15 23:45:50,977 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:45:50,977 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:45:50,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110317753] [2019-11-15 23:45:50,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:45:50,980 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:45:50,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:45:50,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:45:50,981 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-15 23:45:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:45:51,089 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-15 23:45:51,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:45:51,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 23:45:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:45:51,097 INFO L225 Difference]: With dead ends: 601 [2019-11-15 23:45:51,098 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 23:45:51,099 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 23:45:51,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 23:45:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 23:45:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 23:45:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-15 23:45:51,132 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-15 23:45:51,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:45:51,133 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-15 23:45:51,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:45:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-15 23:45:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 23:45:51,138 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:45:51,139 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] [2019-11-15 23:45:51,139 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:45:51,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:45:51,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1208377192, now seen corresponding path program 1 times [2019-11-15 23:45:51,140 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:45:51,141 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324143158] [2019-11-15 23:45:51,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:51,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:51,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:45:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:45:51,362 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 23:45:51,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324143158] [2019-11-15 23:45:51,362 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:45:51,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:45:51,363 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690445088] [2019-11-15 23:45:51,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:45:51,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:45:51,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:45:51,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:45:51,365 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-15 23:45:51,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:45:51,505 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-15 23:45:51,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:45:51,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 23:45:51,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:45:51,511 INFO L225 Difference]: With dead ends: 403 [2019-11-15 23:45:51,511 INFO L226 Difference]: Without dead ends: 349 [2019-11-15 23:45:51,512 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 23:45:51,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-15 23:45:51,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-15 23:45:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-15 23:45:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-15 23:45:51,532 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-15 23:45:51,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:45:51,533 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-15 23:45:51,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:45:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-15 23:45:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:45:51,538 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:45:51,538 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:45:51,539 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:45:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:45:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1038420294, now seen corresponding path program 1 times [2019-11-15 23:45:51,540 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:45:51,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117344598] [2019-11-15 23:45:51,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:51,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:51,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:45:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:45:51,829 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 23:45:51,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117344598] [2019-11-15 23:45:51,830 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:45:51,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:45:51,830 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227188682] [2019-11-15 23:45:51,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:45:51,831 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:45:51,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:45:51,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:45:51,832 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-15 23:45:52,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:45:52,025 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-11-15 23:45:52,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:45:52,026 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 23:45:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:45:52,030 INFO L225 Difference]: With dead ends: 556 [2019-11-15 23:45:52,031 INFO L226 Difference]: Without dead ends: 325 [2019-11-15 23:45:52,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:45:52,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-15 23:45:52,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2019-11-15 23:45:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-11-15 23:45:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-11-15 23:45:52,050 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-11-15 23:45:52,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:45:52,051 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-11-15 23:45:52,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:45:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-11-15 23:45:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:45:52,053 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:45:52,053 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:45:52,053 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:45:52,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:45:52,054 INFO L82 PathProgramCache]: Analyzing trace with hash 902319266, now seen corresponding path program 2 times [2019-11-15 23:45:52,054 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:45:52,054 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311051036] [2019-11-15 23:45:52,054 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:52,055 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:52,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:45:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:45:52,292 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 23:45:52,293 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311051036] [2019-11-15 23:45:52,293 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:45:52,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:45:52,294 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436175264] [2019-11-15 23:45:52,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:45:52,295 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:45:52,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:45:52,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:45:52,296 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 8 states. [2019-11-15 23:45:52,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:45:52,486 INFO L93 Difference]: Finished difference Result 487 states and 1305 transitions. [2019-11-15 23:45:52,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:45:52,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 23:45:52,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:45:52,494 INFO L225 Difference]: With dead ends: 487 [2019-11-15 23:45:52,494 INFO L226 Difference]: Without dead ends: 313 [2019-11-15 23:45:52,495 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:45:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-11-15 23:45:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-11-15 23:45:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-11-15 23:45:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 816 transitions. [2019-11-15 23:45:52,511 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 816 transitions. Word has length 34 [2019-11-15 23:45:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:45:52,512 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 816 transitions. [2019-11-15 23:45:52,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:45:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 816 transitions. [2019-11-15 23:45:52,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 23:45:52,519 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:45:52,520 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:45:52,520 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:45:52,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:45:52,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1887467912, now seen corresponding path program 3 times [2019-11-15 23:45:52,521 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:45:52,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810799740] [2019-11-15 23:45:52,522 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:52,522 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:45:52,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:45:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:45:52,704 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 23:45:52,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810799740] [2019-11-15 23:45:52,704 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:45:52,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:45:52,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569893855] [2019-11-15 23:45:52,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:45:52,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:45:52,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:45:52,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:45:52,706 INFO L87 Difference]: Start difference. First operand 313 states and 816 transitions. Second operand 8 states. [2019-11-15 23:45:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:45:52,825 INFO L93 Difference]: Finished difference Result 259 states and 654 transitions. [2019-11-15 23:45:52,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:45:52,825 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 23:45:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:45:52,826 INFO L225 Difference]: With dead ends: 259 [2019-11-15 23:45:52,826 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:45:52,826 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:45:52,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:45:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:45:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:45:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:45:52,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-15 23:45:52,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:45:52,827 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:45:52,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:45:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:45:52,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:45:52,831 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:45:52,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:45:52 BasicIcfg [2019-11-15 23:45:52,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:45:52,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:45:52,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:45:52,834 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:45:52,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:45:49" (3/4) ... [2019-11-15 23:45:52,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:45:52,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:45:52,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:45:52,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 23:45:52,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:45:52,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:45:52,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dbbeba3d-51f8-46ca-9837-6ca17ecbd197/bin/uautomizer/witness.graphml [2019-11-15 23:45:52,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:45:52,940 INFO L168 Benchmark]: Toolchain (without parser) took 4432.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.7 MB in the beginning and 875.7 MB in the end (delta: 69.1 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:45:52,941 INFO L168 Benchmark]: CDTParser took 0.33 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 23:45:52,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:45:52,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.38 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:45:52,946 INFO L168 Benchmark]: Boogie Preprocessor took 28.79 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:45:52,947 INFO L168 Benchmark]: RCFGBuilder took 474.25 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: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:45:52,948 INFO L168 Benchmark]: TraceAbstraction took 3091.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.7 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:45:52,952 INFO L168 Benchmark]: Witness Printer took 101.67 ms. Allocated memory is still 1.2 GB. Free memory is still 875.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:45:52,954 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 672.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.38 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.79 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 474.25 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: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3091.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.7 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. * Witness Printer took 101.67 ms. Allocated memory is still 1.2 GB. Free memory is still 875.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 66 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 407 SDslu, 757 SDs, 0 SdLazy, 113 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 20274 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...