./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin001_pso.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_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/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 980da5cfdd39d90d45ffcdcb93c1ea923e88b32b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:18:23,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:18:23,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:18:23,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:18:23,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:18:23,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:18:23,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:18:23,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:18:23,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:18:23,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:18:23,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:18:23,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:18:23,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:18:23,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:18:23,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:18:23,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:18:23,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:18:23,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:18:23,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:18:23,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:18:23,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:18:23,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:18:23,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:18:23,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:18:23,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:18:23,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:18:23,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:18:23,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:18:23,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:18:23,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:18:23,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:18:23,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:18:23,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:18:23,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:18:23,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:18:23,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:18:23,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:18:23,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:18:23,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:18:23,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:18:23,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:18:23,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:18:23,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:18:23,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:18:23,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:18:23,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:18:23,466 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:18:23,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:18:23,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:18:23,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:18:23,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:18:23,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:18:23,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:18:23,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:18:23,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:18:23,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:18:23,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:18:23,469 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:18:23,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:18:23,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:18:23,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:18:23,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:18:23,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:18:23,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:18:23,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:18:23,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:18:23,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:18:23,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:18:23,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:18:23,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:18:23,472 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_9c182d8f-454f-4dc3-9256-326727252416/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 -> 980da5cfdd39d90d45ffcdcb93c1ea923e88b32b [2019-11-15 22:18:23,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:18:23,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:18:23,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:18:23,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:18:23,525 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:18:23,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2019-11-15 22:18:23,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/data/a04feb764/4e653e074ffa48e39d0b0602761520ee/FLAG34ec14342 [2019-11-15 22:18:24,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:18:24,073 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2019-11-15 22:18:24,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/data/a04feb764/4e653e074ffa48e39d0b0602761520ee/FLAG34ec14342 [2019-11-15 22:18:24,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/data/a04feb764/4e653e074ffa48e39d0b0602761520ee [2019-11-15 22:18:24,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:18:24,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:18:24,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:18:24,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:18:24,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:18:24,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:18:24" (1/1) ... [2019-11-15 22:18:24,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37cd258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:24, skipping insertion in model container [2019-11-15 22:18:24,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:18:24" (1/1) ... [2019-11-15 22:18:24,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:18:24,497 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:18:24,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:18:24,986 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:18:25,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:18:25,161 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:18:25,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25 WrapperNode [2019-11-15 22:18:25,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:18:25,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:18:25,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:18:25,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:18:25,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:18:25,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:18:25,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:18:25,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:18:25,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... [2019-11-15 22:18:25,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:18:25,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:18:25,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:18:25,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:18:25,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:18:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:18:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 22:18:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:18:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:18:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 22:18:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 22:18:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 22:18:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 22:18:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 22:18:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 22:18:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 22:18:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:18:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:18:25,329 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:18:25,735 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:18:25,735 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 22:18:25,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:25 BoogieIcfgContainer [2019-11-15 22:18:25,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:18:25,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:18:25,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:18:25,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:18:25,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:18:24" (1/3) ... [2019-11-15 22:18:25,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15775889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:18:25, skipping insertion in model container [2019-11-15 22:18:25,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:25" (2/3) ... [2019-11-15 22:18:25,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15775889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:18:25, skipping insertion in model container [2019-11-15 22:18:25,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:25" (3/3) ... [2019-11-15 22:18:25,744 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i [2019-11-15 22:18:25,786 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,786 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,786 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,787 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,787 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,787 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,788 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,788 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,788 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,788 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,789 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,789 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,789 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,789 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,789 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,790 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,790 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,790 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:18:25,804 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:18:25,804 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:18:25,813 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:18:25,825 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:18:25,849 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:18:25,849 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:18:25,849 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:18:25,849 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:18:25,849 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:18:25,849 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:18:25,849 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:18:25,849 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:18:25,859 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-11-15 22:18:25,965 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-15 22:18:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-15 22:18:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:18:25,985 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:25,986 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:25,988 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:25,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:25,994 INFO L82 PathProgramCache]: Analyzing trace with hash -605360585, now seen corresponding path program 1 times [2019-11-15 22:18:26,004 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:26,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890554774] [2019-11-15 22:18:26,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:26,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:26,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:26,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890554774] [2019-11-15 22:18:26,338 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:26,338 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:18:26,339 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10071098] [2019-11-15 22:18:26,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:18:26,344 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:26,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:18:26,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:18:26,362 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-15 22:18:26,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:26,495 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-15 22:18:26,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:18:26,497 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-15 22:18:26,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:26,543 INFO L225 Difference]: With dead ends: 1295 [2019-11-15 22:18:26,543 INFO L226 Difference]: Without dead ends: 601 [2019-11-15 22:18:26,545 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 22:18:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-15 22:18:26,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-15 22:18:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-15 22:18:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-15 22:18:26,654 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-15 22:18:26,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:26,655 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-15 22:18:26,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:18:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-15 22:18:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:18:26,660 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:26,660 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 22:18:26,660 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:26,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:26,661 INFO L82 PathProgramCache]: Analyzing trace with hash -26294924, now seen corresponding path program 1 times [2019-11-15 22:18:26,661 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:26,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935882092] [2019-11-15 22:18:26,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:26,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:26,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:26,837 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935882092] [2019-11-15 22:18:26,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:26,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:18:26,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219035536] [2019-11-15 22:18:26,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:18:26,840 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:26,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:18:26,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:18:26,841 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-15 22:18:27,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:27,003 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-15 22:18:27,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:18:27,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 22:18:27,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:27,010 INFO L225 Difference]: With dead ends: 601 [2019-11-15 22:18:27,010 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 22:18:27,011 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:18:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 22:18:27,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 22:18:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 22:18:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-15 22:18:27,045 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-15 22:18:27,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:27,046 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-15 22:18:27,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:18:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-15 22:18:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:18:27,048 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:27,049 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 22:18:27,049 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:27,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1208377192, now seen corresponding path program 1 times [2019-11-15 22:18:27,050 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:27,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507931224] [2019-11-15 22:18:27,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:27,256 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507931224] [2019-11-15 22:18:27,256 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:27,256 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:18:27,257 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149125616] [2019-11-15 22:18:27,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:18:27,257 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:27,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:18:27,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:18:27,258 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-15 22:18:27,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:27,383 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-15 22:18:27,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:18:27,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 22:18:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:27,388 INFO L225 Difference]: With dead ends: 403 [2019-11-15 22:18:27,390 INFO L226 Difference]: Without dead ends: 349 [2019-11-15 22:18:27,391 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:18:27,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-15 22:18:27,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-15 22:18:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-15 22:18:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-15 22:18:27,413 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-15 22:18:27,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:27,414 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-15 22:18:27,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:18:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-15 22:18:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:18:27,419 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:27,420 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 22:18:27,420 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:27,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:27,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1038420294, now seen corresponding path program 1 times [2019-11-15 22:18:27,421 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:27,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213466359] [2019-11-15 22:18:27,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:27,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213466359] [2019-11-15 22:18:27,704 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:27,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:18:27,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146505579] [2019-11-15 22:18:27,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:18:27,708 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:27,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:18:27,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:18:27,709 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-15 22:18:27,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:27,858 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-11-15 22:18:27,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:18:27,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 22:18:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:27,862 INFO L225 Difference]: With dead ends: 556 [2019-11-15 22:18:27,862 INFO L226 Difference]: Without dead ends: 325 [2019-11-15 22:18:27,863 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 22:18:27,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-15 22:18:27,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2019-11-15 22:18:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-11-15 22:18:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-11-15 22:18:27,878 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-11-15 22:18:27,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:27,879 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-11-15 22:18:27,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:18:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-11-15 22:18:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:18:27,881 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:27,881 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 22:18:27,882 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:27,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:27,882 INFO L82 PathProgramCache]: Analyzing trace with hash 902319266, now seen corresponding path program 2 times [2019-11-15 22:18:27,883 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:27,883 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129315911] [2019-11-15 22:18:27,883 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,884 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:28,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129315911] [2019-11-15 22:18:28,101 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:28,101 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:18:28,101 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279874455] [2019-11-15 22:18:28,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:18:28,102 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:28,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:18:28,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:18:28,104 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 8 states. [2019-11-15 22:18:28,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:28,258 INFO L93 Difference]: Finished difference Result 487 states and 1305 transitions. [2019-11-15 22:18:28,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:18:28,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 22:18:28,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:28,264 INFO L225 Difference]: With dead ends: 487 [2019-11-15 22:18:28,264 INFO L226 Difference]: Without dead ends: 313 [2019-11-15 22:18:28,265 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 22:18:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-11-15 22:18:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-11-15 22:18:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-11-15 22:18:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 816 transitions. [2019-11-15 22:18:28,280 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 816 transitions. Word has length 34 [2019-11-15 22:18:28,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:28,283 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 816 transitions. [2019-11-15 22:18:28,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:18:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 816 transitions. [2019-11-15 22:18:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:18:28,289 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:28,289 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 22:18:28,290 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:18:28,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:28,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1887467912, now seen corresponding path program 3 times [2019-11-15 22:18:28,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:28,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865353096] [2019-11-15 22:18:28,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:28,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:28,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:28,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865353096] [2019-11-15 22:18:28,441 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:28,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:18:28,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239438435] [2019-11-15 22:18:28,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:18:28,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:28,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:18:28,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:18:28,469 INFO L87 Difference]: Start difference. First operand 313 states and 816 transitions. Second operand 7 states. [2019-11-15 22:18:28,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:28,574 INFO L93 Difference]: Finished difference Result 259 states and 654 transitions. [2019-11-15 22:18:28,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:18:28,574 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 22:18:28,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:28,574 INFO L225 Difference]: With dead ends: 259 [2019-11-15 22:18:28,575 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:18:28,575 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 [2019-11-15 22:18:28,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:18:28,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:18:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:18:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:18:28,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-15 22:18:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:28,576 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:18:28,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:18:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:18:28,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:18:28,580 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 22:18:28,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:18:28 BasicIcfg [2019-11-15 22:18:28,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:18:28,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:18:28,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:18:28,583 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:18:28,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:25" (3/4) ... [2019-11-15 22:18:28,588 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:18:28,595 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 22:18:28,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 22:18:28,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 22:18:28,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 22:18:28,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 22:18:28,685 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c182d8f-454f-4dc3-9256-326727252416/bin/uautomizer/witness.graphml [2019-11-15 22:18:28,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:18:28,692 INFO L168 Benchmark]: Toolchain (without parser) took 4278.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:28,693 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:28,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:28,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:28,694 INFO L168 Benchmark]: Boogie Preprocessor took 26.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:28,696 INFO L168 Benchmark]: RCFGBuilder took 498.30 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:28,702 INFO L168 Benchmark]: TraceAbstraction took 2844.82 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: -37.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:28,703 INFO L168 Benchmark]: Witness Printer took 106.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:28,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 748.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.20 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 26.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 498.30 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2844.82 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: -37.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 106.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 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, 66 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 404 SDslu, 754 SDs, 0 SdLazy, 113 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 19614 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...