./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe020_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_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/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 3f4304ec15814f90b0e0d70e4496f4f9ddce1a76 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:57:39,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:57:39,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:57:39,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:57:39,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:57:39,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:57:39,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:57:39,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:57:39,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:57:39,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:57:39,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:57:39,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:57:39,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:57:39,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:57:39,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:57:39,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:57:39,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:57:39,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:57:39,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:57:39,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:57:39,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:57:39,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:57:39,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:57:39,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:57:39,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:57:39,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:57:39,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:57:39,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:57:39,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:57:39,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:57:39,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:57:39,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:57:39,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:57:39,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:57:39,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:57:39,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:57:39,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:57:39,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:57:39,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:57:39,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:57:39,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:57:39,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:57:39,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:57:39,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:57:39,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:57:39,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:57:39,581 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:57:39,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:57:39,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:57:39,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:57:39,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:57:39,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:57:39,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:57:39,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:57:39,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:57:39,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:57:39,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:57:39,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:57:39,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:57:39,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:57:39,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:57:39,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:57:39,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:57:39,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:57:39,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:57:39,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:57:39,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:57:39,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:57:39,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:57:39,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:57:39,586 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_d48e1849-0316-4f16-935c-2e2d52a6249c/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 -> 3f4304ec15814f90b0e0d70e4496f4f9ddce1a76 [2019-11-15 20:57:39,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:57:39,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:57:39,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:57:39,648 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:57:39,648 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:57:39,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc.i [2019-11-15 20:57:39,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/data/f9d9a24c4/34ae30b4229849098b758b28520acd25/FLAGa6e79c82f [2019-11-15 20:57:40,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:57:40,246 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/sv-benchmarks/c/pthread-wmm/safe020_pso.oepc.i [2019-11-15 20:57:40,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/data/f9d9a24c4/34ae30b4229849098b758b28520acd25/FLAGa6e79c82f [2019-11-15 20:57:40,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/data/f9d9a24c4/34ae30b4229849098b758b28520acd25 [2019-11-15 20:57:40,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:57:40,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:57:40,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:57:40,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:57:40,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:57:40,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:57:40" (1/1) ... [2019-11-15 20:57:40,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4544c513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:40, skipping insertion in model container [2019-11-15 20:57:40,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:57:40" (1/1) ... [2019-11-15 20:57:40,738 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:57:40,785 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:57:41,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:57:41,190 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:57:41,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:57:41,297 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:57:41,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41 WrapperNode [2019-11-15 20:57:41,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:57:41,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:57:41,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:57:41,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:57:41,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:57:41,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:57:41,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:57:41,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:57:41,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... [2019-11-15 20:57:41,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:57:41,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:57:41,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:57:41,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:57:41,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/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 20:57:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:57:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 20:57:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:57:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 20:57:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 20:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 20:57:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 20:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 20:57:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 20:57:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 20:57:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:57:41,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:57:41,441 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 20:57:41,740 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:57:41,740 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 20:57:41,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:57:41 BoogieIcfgContainer [2019-11-15 20:57:41,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:57:41,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:57:41,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:57:41,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:57:41,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:57:40" (1/3) ... [2019-11-15 20:57:41,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b32217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:57:41, skipping insertion in model container [2019-11-15 20:57:41,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:57:41" (2/3) ... [2019-11-15 20:57:41,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b32217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:57:41, skipping insertion in model container [2019-11-15 20:57:41,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:57:41" (3/3) ... [2019-11-15 20:57:41,747 INFO L109 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc.i [2019-11-15 20:57:41,777 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,785 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,785 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,785 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,786 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,786 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,786 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,787 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,787 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,787 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,787 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,788 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,788 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,788 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,788 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,788 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,789 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,789 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 20:57:41,800 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 20:57:41,800 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:57:41,806 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:57:41,816 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:57:41,833 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:57:41,834 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:57:41,834 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:57:41,834 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:57:41,834 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:57:41,834 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:57:41,835 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:57:41,835 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:57:41,843 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions [2019-11-15 20:57:41,930 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-15 20:57:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-15 20:57:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 20:57:41,946 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:41,947 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:57:41,949 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:57:41,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:41,954 INFO L82 PathProgramCache]: Analyzing trace with hash 244881394, now seen corresponding path program 1 times [2019-11-15 20:57:41,961 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:41,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544751539] [2019-11-15 20:57:41,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:41,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:41,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:42,270 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 20:57:42,271 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544751539] [2019-11-15 20:57:42,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:57:42,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:57:42,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501315437] [2019-11-15 20:57:42,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:57:42,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:42,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:57:42,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:57:42,290 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-15 20:57:42,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:42,385 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-15 20:57:42,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:57:42,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-15 20:57:42,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:42,408 INFO L225 Difference]: With dead ends: 1293 [2019-11-15 20:57:42,408 INFO L226 Difference]: Without dead ends: 599 [2019-11-15 20:57:42,410 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 20:57:42,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-15 20:57:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-15 20:57:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-15 20:57:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-15 20:57:42,504 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-15 20:57:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:42,504 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-15 20:57:42,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:57:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-15 20:57:42,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 20:57:42,508 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:42,509 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:57:42,509 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:57:42,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:42,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1357266892, now seen corresponding path program 1 times [2019-11-15 20:57:42,510 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:42,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483384974] [2019-11-15 20:57:42,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:42,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:42,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:42,629 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 20:57:42,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483384974] [2019-11-15 20:57:42,629 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:57:42,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 20:57:42,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927081136] [2019-11-15 20:57:42,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:57:42,631 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:42,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:57:42,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:57:42,632 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-15 20:57:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:42,691 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-15 20:57:42,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:57:42,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 20:57:42,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:42,698 INFO L225 Difference]: With dead ends: 599 [2019-11-15 20:57:42,698 INFO L226 Difference]: Without dead ends: 536 [2019-11-15 20:57:42,699 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:57:42,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-15 20:57:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-15 20:57:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-15 20:57:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-15 20:57:42,728 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-15 20:57:42,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:42,728 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-15 20:57:42,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:57:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-15 20:57:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 20:57:42,731 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:42,731 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 20:57:42,731 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:57:42,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:42,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1868727119, now seen corresponding path program 1 times [2019-11-15 20:57:42,732 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:42,732 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562282075] [2019-11-15 20:57:42,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:42,733 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:42,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:42,869 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 20:57:42,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562282075] [2019-11-15 20:57:42,869 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:57:42,869 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 20:57:42,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977585153] [2019-11-15 20:57:42,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:57:42,870 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:42,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:57:42,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:57:42,871 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-15 20:57:42,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:42,960 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-15 20:57:42,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:57:42,961 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 20:57:42,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:42,964 INFO L225 Difference]: With dead ends: 401 [2019-11-15 20:57:42,964 INFO L226 Difference]: Without dead ends: 347 [2019-11-15 20:57:42,964 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:57:42,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-15 20:57:42,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-15 20:57:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-15 20:57:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-15 20:57:42,976 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-15 20:57:42,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:42,977 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-15 20:57:42,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:57:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-15 20:57:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 20:57:42,978 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:42,979 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 20:57:42,979 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:57:42,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:42,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1380762003, now seen corresponding path program 1 times [2019-11-15 20:57:42,979 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:42,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567186872] [2019-11-15 20:57:42,980 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:42,980 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:42,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:43,106 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 20:57:43,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567186872] [2019-11-15 20:57:43,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:57:43,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 20:57:43,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982588871] [2019-11-15 20:57:43,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:57:43,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:43,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:57:43,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:57:43,109 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-15 20:57:43,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:43,248 INFO L93 Difference]: Finished difference Result 518 states and 1393 transitions. [2019-11-15 20:57:43,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:57:43,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 20:57:43,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:43,251 INFO L225 Difference]: With dead ends: 518 [2019-11-15 20:57:43,252 INFO L226 Difference]: Without dead ends: 275 [2019-11-15 20:57:43,253 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:57:43,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2019-11-15 20:57:43,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2019-11-15 20:57:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-15 20:57:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 724 transitions. [2019-11-15 20:57:43,263 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 724 transitions. Word has length 32 [2019-11-15 20:57:43,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:43,263 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 724 transitions. [2019-11-15 20:57:43,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:57:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 724 transitions. [2019-11-15 20:57:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 20:57:43,267 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:43,267 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 20:57:43,267 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:57:43,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:43,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1836897105, now seen corresponding path program 2 times [2019-11-15 20:57:43,268 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:43,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781373147] [2019-11-15 20:57:43,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:43,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:43,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:43,456 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 20:57:43,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781373147] [2019-11-15 20:57:43,456 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:57:43,456 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:57:43,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974382194] [2019-11-15 20:57:43,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:57:43,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:43,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:57:43,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:57:43,459 INFO L87 Difference]: Start difference. First operand 275 states and 724 transitions. Second operand 7 states. [2019-11-15 20:57:43,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:43,638 INFO L93 Difference]: Finished difference Result 437 states and 1183 transitions. [2019-11-15 20:57:43,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:57:43,639 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 20:57:43,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:43,642 INFO L225 Difference]: With dead ends: 437 [2019-11-15 20:57:43,642 INFO L226 Difference]: Without dead ends: 251 [2019-11-15 20:57:43,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:57:43,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-15 20:57:43,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2019-11-15 20:57:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-11-15 20:57:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 670 transitions. [2019-11-15 20:57:43,652 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 670 transitions. Word has length 32 [2019-11-15 20:57:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:43,653 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 670 transitions. [2019-11-15 20:57:43,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:57:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 670 transitions. [2019-11-15 20:57:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 20:57:43,658 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:57:43,658 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 20:57:43,658 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:57:43,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:57:43,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2094306067, now seen corresponding path program 3 times [2019-11-15 20:57:43,659 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:57:43,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508674912] [2019-11-15 20:57:43,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:43,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:57:43,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:57:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:57:43,822 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 20:57:43,822 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508674912] [2019-11-15 20:57:43,823 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:57:43,823 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:57:43,823 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171332443] [2019-11-15 20:57:43,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:57:43,823 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:57:43,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:57:43,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:57:43,824 INFO L87 Difference]: Start difference. First operand 251 states and 670 transitions. Second operand 8 states. [2019-11-15 20:57:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:57:43,954 INFO L93 Difference]: Finished difference Result 197 states and 508 transitions. [2019-11-15 20:57:43,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:57:43,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-11-15 20:57:43,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:57:43,954 INFO L225 Difference]: With dead ends: 197 [2019-11-15 20:57:43,955 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:57:43,955 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 20:57:43,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:57:43,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:57:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:57:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:57:43,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-15 20:57:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:57:43,956 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:57:43,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:57:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:57:43,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:57:43,959 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 20:57:43,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:57:43 BasicIcfg [2019-11-15 20:57:43,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:57:43,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:57:43,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:57:43,963 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:57:43,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:57:41" (3/4) ... [2019-11-15 20:57:43,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:57:43,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 20:57:43,974 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 20:57:43,974 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 20:57:43,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 20:57:43,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 20:57:44,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d48e1849-0316-4f16-935c-2e2d52a6249c/bin/uautomizer/witness.graphml [2019-11-15 20:57:44,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:57:44,019 INFO L168 Benchmark]: Toolchain (without parser) took 3297.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:57:44,019 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:57:44,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:44,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.93 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 20:57:44,021 INFO L168 Benchmark]: Boogie Preprocessor took 25.61 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 20:57:44,021 INFO L168 Benchmark]: RCFGBuilder took 372.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:44,021 INFO L168 Benchmark]: TraceAbstraction took 2218.83 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: -36.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:57:44,022 INFO L168 Benchmark]: Witness Printer took 54.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:57:44,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.93 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 25.61 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 372.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2218.83 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: -36.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 54.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 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, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 277 SDtfs, 373 SDslu, 678 SDs, 0 SdLazy, 108 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 16880 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...