./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe028_pso.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_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/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 6f458f93670c741a95bd21bba5a3c59834e850a6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:03:41,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:03:41,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:03:41,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:03:41,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:03:41,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:03:41,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:03:41,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:03:41,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:03:41,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:03:41,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:03:41,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:03:41,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:03:41,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:03:41,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:03:41,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:03:41,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:03:41,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:03:41,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:03:41,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:03:41,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:03:41,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:03:41,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:03:41,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:03:41,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:03:41,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:03:41,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:03:41,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:03:41,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:03:41,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:03:41,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:03:41,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:03:41,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:03:41,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:03:41,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:03:41,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:03:41,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:03:41,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:03:41,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:03:41,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:03:41,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:03:41,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:03:41,577 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:03:41,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:03:41,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:03:41,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:03:41,579 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:03:41,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:03:41,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:03:41,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:03:41,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:03:41,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:03:41,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:03:41,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:03:41,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:03:41,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:03:41,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:03:41,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:03:41,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:03:41,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:03:41,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:03:41,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:03:41,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:03:41,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:03:41,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:03:41,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:03:41,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:03:41,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:03:41,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:03:41,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:03:41,586 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_4725308a-5f29-41db-a0fd-a1e2c878d30b/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 -> 6f458f93670c741a95bd21bba5a3c59834e850a6 [2019-11-16 00:03:41,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:03:41,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:03:41,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:03:41,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:03:41,637 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:03:41,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i [2019-11-16 00:03:41,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/data/2695d4626/c56bae32fe1a4aa5805996a9f5382564/FLAG64d0440f1 [2019-11-16 00:03:42,255 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:03:42,255 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i [2019-11-16 00:03:42,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/data/2695d4626/c56bae32fe1a4aa5805996a9f5382564/FLAG64d0440f1 [2019-11-16 00:03:42,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/data/2695d4626/c56bae32fe1a4aa5805996a9f5382564 [2019-11-16 00:03:42,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:03:42,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:03:42,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:03:42,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:03:42,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:03:42,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:42" (1/1) ... [2019-11-16 00:03:42,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47adbfb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:42, skipping insertion in model container [2019-11-16 00:03:42,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:42" (1/1) ... [2019-11-16 00:03:42,519 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:03:42,568 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:03:43,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:03:43,150 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:03:43,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:03:43,317 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:03:43,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43 WrapperNode [2019-11-16 00:03:43,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:03:43,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:03:43,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:03:43,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:03:43,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:03:43,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:03:43,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:03:43,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:03:43,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... [2019-11-16 00:03:43,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:03:43,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:03:43,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:03:43,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:03:43,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:03:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:03:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-16 00:03:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:03:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:03:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-16 00:03:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-16 00:03:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-16 00:03:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-16 00:03:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-16 00:03:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-16 00:03:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-16 00:03:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:03:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:03:43,513 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-16 00:03:43,859 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:03:43,859 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:03:43,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:43 BoogieIcfgContainer [2019-11-16 00:03:43,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:03:43,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:03:43,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:03:43,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:03:43,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:03:42" (1/3) ... [2019-11-16 00:03:43,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e84da19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:43, skipping insertion in model container [2019-11-16 00:03:43,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:43" (2/3) ... [2019-11-16 00:03:43,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e84da19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:43, skipping insertion in model container [2019-11-16 00:03:43,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:43" (3/3) ... [2019-11-16 00:03:43,869 INFO L109 eAbstractionObserver]: Analyzing ICFG safe028_pso.opt.i [2019-11-16 00:03:43,908 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,909 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,909 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,910 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,910 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,910 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,911 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,911 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,912 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,912 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,912 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,912 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,913 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,913 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,913 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,914 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,914 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,914 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:03:43,931 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-16 00:03:43,931 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:03:43,939 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:03:43,951 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:03:43,970 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:03:43,970 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:03:43,971 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:03:43,971 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:03:43,971 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:03:43,971 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:03:43,971 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:03:43,971 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:03:43,982 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 50 transitions [2019-11-16 00:03:44,086 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-16 00:03:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-16 00:03:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-16 00:03:44,107 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:44,108 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:44,110 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:44,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:44,116 INFO L82 PathProgramCache]: Analyzing trace with hash -570497839, now seen corresponding path program 1 times [2019-11-16 00:03:44,126 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:44,127 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378800737] [2019-11-16 00:03:44,127 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:44,127 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:44,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:44,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:44,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378800737] [2019-11-16 00:03:44,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:44,520 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:03:44,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505453899] [2019-11-16 00:03:44,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:03:44,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:44,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:03:44,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:03:44,545 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-16 00:03:44,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:44,677 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-16 00:03:44,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:03:44,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-16 00:03:44,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:44,716 INFO L225 Difference]: With dead ends: 1294 [2019-11-16 00:03:44,722 INFO L226 Difference]: Without dead ends: 600 [2019-11-16 00:03:44,726 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:03:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-16 00:03:44,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-16 00:03:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-16 00:03:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-16 00:03:44,854 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-16 00:03:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:44,855 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-16 00:03:44,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:03:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-16 00:03:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-16 00:03:44,862 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:44,862 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:44,862 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:44,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:44,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1434129141, now seen corresponding path program 1 times [2019-11-16 00:03:44,863 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:44,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284302464] [2019-11-16 00:03:44,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:44,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:44,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:45,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284302464] [2019-11-16 00:03:45,080 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:45,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:03:45,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270593706] [2019-11-16 00:03:45,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:03:45,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:45,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:03:45,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:03:45,083 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-16 00:03:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:45,209 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-16 00:03:45,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:03:45,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-16 00:03:45,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:45,224 INFO L225 Difference]: With dead ends: 600 [2019-11-16 00:03:45,225 INFO L226 Difference]: Without dead ends: 537 [2019-11-16 00:03:45,231 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 [2019-11-16 00:03:45,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-16 00:03:45,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-16 00:03:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-16 00:03:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-16 00:03:45,301 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-16 00:03:45,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:45,302 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-16 00:03:45,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:03:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-16 00:03:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:03:45,313 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:45,313 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:45,313 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:45,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:45,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1426499137, now seen corresponding path program 1 times [2019-11-16 00:03:45,314 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:45,314 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025984929] [2019-11-16 00:03:45,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:45,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:45,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:45,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025984929] [2019-11-16 00:03:45,554 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:45,554 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:03:45,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928853722] [2019-11-16 00:03:45,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:03:45,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:45,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:03:45,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:03:45,555 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-16 00:03:45,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:45,704 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-16 00:03:45,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:03:45,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-16 00:03:45,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:45,709 INFO L225 Difference]: With dead ends: 402 [2019-11-16 00:03:45,709 INFO L226 Difference]: Without dead ends: 348 [2019-11-16 00:03:45,710 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:03:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-16 00:03:45,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-16 00:03:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-16 00:03:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-16 00:03:45,725 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-16 00:03:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:45,726 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-16 00:03:45,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:03:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-16 00:03:45,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:03:45,728 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:45,728 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:45,729 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:45,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:45,729 INFO L82 PathProgramCache]: Analyzing trace with hash -845126248, now seen corresponding path program 1 times [2019-11-16 00:03:45,729 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:45,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090920273] [2019-11-16 00:03:45,730 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:45,730 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:45,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:46,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090920273] [2019-11-16 00:03:46,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:46,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:03:46,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157404338] [2019-11-16 00:03:46,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:03:46,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:46,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:03:46,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:03:46,042 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-16 00:03:46,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:46,308 INFO L93 Difference]: Finished difference Result 519 states and 1394 transitions. [2019-11-16 00:03:46,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:03:46,309 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:03:46,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:46,312 INFO L225 Difference]: With dead ends: 519 [2019-11-16 00:03:46,312 INFO L226 Difference]: Without dead ends: 276 [2019-11-16 00:03:46,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:03:46,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-16 00:03:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-11-16 00:03:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-16 00:03:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 725 transitions. [2019-11-16 00:03:46,327 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 725 transitions. Word has length 33 [2019-11-16 00:03:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:46,328 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 725 transitions. [2019-11-16 00:03:46,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:03:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 725 transitions. [2019-11-16 00:03:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:03:46,330 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:46,330 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:46,331 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:46,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1492117376, now seen corresponding path program 2 times [2019-11-16 00:03:46,331 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:46,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015255052] [2019-11-16 00:03:46,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:46,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:46,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:46,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015255052] [2019-11-16 00:03:46,536 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:46,536 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:03:46,537 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794513192] [2019-11-16 00:03:46,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:03:46,537 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:46,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:03:46,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:03:46,538 INFO L87 Difference]: Start difference. First operand 276 states and 725 transitions. Second operand 7 states. [2019-11-16 00:03:46,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:46,726 INFO L93 Difference]: Finished difference Result 447 states and 1205 transitions. [2019-11-16 00:03:46,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:03:46,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:03:46,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:46,731 INFO L225 Difference]: With dead ends: 447 [2019-11-16 00:03:46,732 INFO L226 Difference]: Without dead ends: 264 [2019-11-16 00:03:46,732 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:03:46,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-16 00:03:46,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-11-16 00:03:46,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-11-16 00:03:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-11-16 00:03:46,748 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-11-16 00:03:46,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:46,750 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-11-16 00:03:46,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:03:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-11-16 00:03:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:03:46,756 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:03:46,756 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:03:46,757 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:03:46,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:03:46,757 INFO L82 PathProgramCache]: Analyzing trace with hash 204134540, now seen corresponding path program 3 times [2019-11-16 00:03:46,757 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:03:46,758 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020466138] [2019-11-16 00:03:46,758 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:46,758 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:03:46,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:03:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:03:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:03:46,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020466138] [2019-11-16 00:03:46,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:03:46,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:03:46,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83909531] [2019-11-16 00:03:46,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:03:46,937 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:03:46,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:03:46,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:03:46,938 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 7 states. [2019-11-16 00:03:47,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:03:47,096 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-11-16 00:03:47,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:03:47,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:03:47,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:03:47,097 INFO L225 Difference]: With dead ends: 210 [2019-11-16 00:03:47,097 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:03:47,097 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:03:47,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:03:47,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:03:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:03:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:03:47,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-16 00:03:47,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:03:47,098 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:03:47,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:03:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:03:47,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:03:47,104 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-16 00:03:47,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:03:47 BasicIcfg [2019-11-16 00:03:47,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:03:47,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:03:47,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:03:47,108 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:03:47,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:43" (3/4) ... [2019-11-16 00:03:47,112 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:03:47,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-16 00:03:47,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-16 00:03:47,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-16 00:03:47,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-16 00:03:47,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-16 00:03:47,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4725308a-5f29-41db-a0fd-a1e2c878d30b/bin/uautomizer/witness.graphml [2019-11-16 00:03:47,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:03:47,197 INFO L168 Benchmark]: Toolchain (without parser) took 4697.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 939.4 MB in the beginning and 902.9 MB in the end (delta: 36.6 MB). Peak memory consumption was 210.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:47,197 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:03:47,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:47,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:03:47,198 INFO L168 Benchmark]: Boogie Preprocessor took 30.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:03:47,206 INFO L168 Benchmark]: RCFGBuilder took 446.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:47,207 INFO L168 Benchmark]: TraceAbstraction took 3245.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.9 MB in the end (delta: 211.8 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:03:47,207 INFO L168 Benchmark]: Witness Printer took 87.46 ms. Allocated memory is still 1.2 GB. Free memory is still 902.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:03:47,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 818.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 446.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3245.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.9 MB in the end (delta: 211.8 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. * Witness Printer took 87.46 ms. Allocated memory is still 1.2 GB. Free memory is still 902.9 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, 65 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 297 SDtfs, 366 SDslu, 798 SDs, 0 SdLazy, 115 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 16846 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...