./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-1_1-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_1-join.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cd35ce33d4b035fe378e7f17ce504e953f9db6a ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 22:08:44,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 22:08:44,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 22:08:44,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 22:08:44,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 22:08:44,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 22:08:44,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 22:08:44,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 22:08:44,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 22:08:44,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 22:08:44,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 22:08:44,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 22:08:44,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 22:08:44,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 22:08:44,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 22:08:44,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 22:08:44,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 22:08:44,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 22:08:44,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 22:08:44,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 22:08:44,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 22:08:44,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 22:08:44,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 22:08:44,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 22:08:44,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 22:08:44,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 22:08:44,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 22:08:44,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 22:08:44,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 22:08:44,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 22:08:44,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 22:08:44,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 22:08:44,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 22:08:44,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 22:08:44,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 22:08:44,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 22:08:44,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 22:08:44,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 22:08:44,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 22:08:44,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 22:08:44,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 22:08:44,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 22:08:44,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 22:08:44,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 22:08:44,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 22:08:44,488 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 22:08:44,488 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 22:08:44,488 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 22:08:44,488 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 22:08:44,488 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 22:08:44,489 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 22:08:44,489 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 22:08:44,489 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 22:08:44,489 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 22:08:44,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 22:08:44,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 22:08:44,490 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 22:08:44,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 22:08:44,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 22:08:44,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 22:08:44,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 22:08:44,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 22:08:44,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 22:08:44,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 22:08:44,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 22:08:44,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 22:08:44,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 22:08:44,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 22:08:44,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 22:08:44,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 22:08:44,493 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 22:08:44,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 22:08:44,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 22:08:44,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 22:08:44,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 22:08:44,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan 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 -> Taipan 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 -> 3cd35ce33d4b035fe378e7f17ce504e953f9db6a [2019-12-07 22:08:44,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 22:08:44,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 22:08:44,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 22:08:44,609 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 22:08:44,610 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 22:08:44,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/../../sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-12-07 22:08:44,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/data/b00f520c6/9e9c00148cd64cd18eaa9ba5c3c614bc/FLAG99c8d2932 [2019-12-07 22:08:45,133 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 22:08:45,134 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-12-07 22:08:45,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/data/b00f520c6/9e9c00148cd64cd18eaa9ba5c3c614bc/FLAG99c8d2932 [2019-12-07 22:08:45,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/data/b00f520c6/9e9c00148cd64cd18eaa9ba5c3c614bc [2019-12-07 22:08:45,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 22:08:45,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 22:08:45,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 22:08:45,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 22:08:45,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 22:08:45,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:45" (1/1) ... [2019-12-07 22:08:45,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af949e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:45, skipping insertion in model container [2019-12-07 22:08:45,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:45" (1/1) ... [2019-12-07 22:08:45,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 22:08:45,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:08:46,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:08:46,049 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 22:08:46,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:08:46,293 INFO L208 MainTranslator]: Completed translation [2019-12-07 22:08:46,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46 WrapperNode [2019-12-07 22:08:46,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 22:08:46,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 22:08:46,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 22:08:46,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 22:08:46,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 22:08:46,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 22:08:46,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 22:08:46,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 22:08:46,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... [2019-12-07 22:08:46,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 22:08:46,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 22:08:46,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 22:08:46,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 22:08:46,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/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 [2019-12-07 22:08:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 22:08:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 22:08:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 22:08:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 22:08:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 22:08:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 22:08:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 22:08:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 22:08:46,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 22:08:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 22:08:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 22:08:46,412 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 22:08:46,755 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 22:08:46,755 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 22:08:46,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:46 BoogieIcfgContainer [2019-12-07 22:08:46,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 22:08:46,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 22:08:46,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 22:08:46,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 22:08:46,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:08:45" (1/3) ... [2019-12-07 22:08:46,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc185ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:08:46, skipping insertion in model container [2019-12-07 22:08:46,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:46" (2/3) ... [2019-12-07 22:08:46,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc185ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:08:46, skipping insertion in model container [2019-12-07 22:08:46,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:46" (3/3) ... [2019-12-07 22:08:46,761 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2019-12-07 22:08:46,768 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 22:08:46,768 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 22:08:46,772 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-07 22:08:46,773 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 22:08:46,794 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,794 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,795 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,795 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,795 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,795 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,796 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,796 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,796 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,796 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,797 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,797 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,797 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,797 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 22:08:46,816 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 22:08:46,830 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 22:08:46,830 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 22:08:46,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 22:08:46,831 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 22:08:46,831 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 22:08:46,831 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 22:08:46,831 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 22:08:46,831 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 22:08:46,845 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 84 transitions [2019-12-07 22:08:46,846 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions [2019-12-07 22:08:46,877 INFO L134 PetriNetUnfolder]: 5/95 cut-off events. [2019-12-07 22:08:46,877 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 22:08:46,881 INFO L76 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 176 event pairs. 7/91 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-07 22:08:46,883 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions [2019-12-07 22:08:46,897 INFO L134 PetriNetUnfolder]: 5/95 cut-off events. [2019-12-07 22:08:46,897 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 22:08:46,898 INFO L76 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 176 event pairs. 7/91 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-07 22:08:46,900 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 392 [2019-12-07 22:08:46,901 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 22:08:48,458 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-12-07 22:08:49,263 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-07 22:08:49,382 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-07 22:08:49,397 INFO L206 etLargeBlockEncoding]: Checked pairs total: 291 [2019-12-07 22:08:49,397 INFO L214 etLargeBlockEncoding]: Total number of compositions: 100 [2019-12-07 22:08:49,399 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 15 transitions [2019-12-07 22:08:49,405 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 25 states. [2019-12-07 22:08:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-12-07 22:08:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-07 22:08:49,410 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:08:49,410 INFO L410 BasicCegarLoop]: trace histogram [1] [2019-12-07 22:08:49,411 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:08:49,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:08:49,414 INFO L82 PathProgramCache]: Analyzing trace with hash 345, now seen corresponding path program 1 times [2019-12-07 22:08:49,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 22:08:49,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034510535] [2019-12-07 22:08:49,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 22:08:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:08:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:08:49,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034510535] [2019-12-07 22:08:49,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:08:49,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-07 22:08:49,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755832919] [2019-12-07 22:08:49,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 22:08:49,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 22:08:49,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 22:08:49,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 22:08:49,573 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-12-07 22:08:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:08:49,581 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-12-07 22:08:49,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 22:08:49,582 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-07 22:08:49,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:08:49,586 INFO L225 Difference]: With dead ends: 17 [2019-12-07 22:08:49,586 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 22:08:49,587 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 22:08:49,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 22:08:49,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 22:08:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 22:08:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 22:08:49,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2019-12-07 22:08:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:08:49,602 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 22:08:49,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 22:08:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 22:08:49,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 22:08:49,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:08:49 BasicIcfg [2019-12-07 22:08:49,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 22:08:49,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 22:08:49,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 22:08:49,605 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 22:08:49,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:46" (3/4) ... [2019-12-07 22:08:49,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 22:08:49,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2019-12-07 22:08:49,616 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 22:08:49,616 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 22:08:49,616 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 22:08:49,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3c4002b2-0a18-403e-8f86-b8502b6117b0/bin/utaipan/witness.graphml [2019-12-07 22:08:49,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 22:08:49,649 INFO L168 Benchmark]: Toolchain (without parser) took 4183.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 934.0 MB in the beginning and 865.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 183.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:49,649 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 22:08:49,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 934.0 MB in the beginning and 984.0 MB in the end (delta: -50.0 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:49,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.22 ms. Allocated memory is still 1.1 GB. Free memory was 984.0 MB in the beginning and 978.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:49,650 INFO L168 Benchmark]: Boogie Preprocessor took 29.28 ms. Allocated memory is still 1.1 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 22:08:49,650 INFO L168 Benchmark]: RCFGBuilder took 386.23 ms. Allocated memory is still 1.1 GB. Free memory was 978.7 MB in the beginning and 935.1 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:49,651 INFO L168 Benchmark]: TraceAbstraction took 2848.25 ms. Allocated memory is still 1.1 GB. Free memory was 935.1 MB in the beginning and 872.0 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:49,651 INFO L168 Benchmark]: Witness Printer took 42.64 ms. Allocated memory is still 1.1 GB. Free memory was 872.0 MB in the beginning and 865.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:49,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 824.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 934.0 MB in the beginning and 984.0 MB in the end (delta: -50.0 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.22 ms. Allocated memory is still 1.1 GB. Free memory was 984.0 MB in the beginning and 978.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.28 ms. Allocated memory is still 1.1 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 386.23 ms. Allocated memory is still 1.1 GB. Free memory was 978.7 MB in the beginning and 935.1 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2848.25 ms. Allocated memory is still 1.1 GB. Free memory was 935.1 MB in the beginning and 872.0 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. * Witness Printer took 42.64 ms. Allocated memory is still 1.1 GB. Free memory was 872.0 MB in the beginning and 865.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 82 ProgramPointsBefore, 16 ProgramPointsAfterwards, 84 TransitionsBefore, 15 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 7 ConcurrentYvCompositions, 4 ChoiceCompositions, 203 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 291 CheckedPairsTotal, 100 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 4 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...