./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin000_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin000_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02f90981fedfb6782d9165385acb8cfadc06132f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:03,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:03,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:03,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:03,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:03,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:03,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:03,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:03,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:03,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:03,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:03,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:03,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:03,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:03,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:03,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:03,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:03,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:03,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:03,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:03,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:03,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:03,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:03,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:03,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:03,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:03,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:03,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:03,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:03,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:03,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:03,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:03,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:03,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:03,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:03,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:03,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:03,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:03,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:03,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:03,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:03,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:06:03,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:03,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:03,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:03,284 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:03,284 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:03,284 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:03,285 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:03,285 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:03,285 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:03,285 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:03,286 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:03,287 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:03,287 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:03,287 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:03,288 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:03,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:03,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:03,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:03,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:03,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:03,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:03,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:03,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:03,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:03,291 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:03,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:03,291 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:03,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:03,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:03,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:03,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:03,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:03,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:03,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:03,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:03,295 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:03,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:03,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:03,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:03,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:03,296 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f90981fedfb6782d9165385acb8cfadc06132f [2020-11-22 13:06:03,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:03,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:03,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:03,659 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:03,662 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:03,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/thin000_pso.opt.i [2020-11-22 13:06:03,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/data/c5f6b2cf7/e9617799e68640ed8ce27e13d57a78fd/FLAG073814c3b [2020-11-22 13:06:04,347 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:04,347 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/sv-benchmarks/c/pthread-wmm/thin000_pso.opt.i [2020-11-22 13:06:04,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/data/c5f6b2cf7/e9617799e68640ed8ce27e13d57a78fd/FLAG073814c3b [2020-11-22 13:06:04,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/data/c5f6b2cf7/e9617799e68640ed8ce27e13d57a78fd [2020-11-22 13:06:04,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:04,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:04,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:04,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:04,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:04,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:04" (1/1) ... [2020-11-22 13:06:04,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bafd23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:04, skipping insertion in model container [2020-11-22 13:06:04,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:04" (1/1) ... [2020-11-22 13:06:04,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:04,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:05,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:05,179 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:06:05,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:05,331 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:06:05,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05 WrapperNode [2020-11-22 13:06:05,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:05,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:05,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:06:05,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:06:05,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:05,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:06:05,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:06:05,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:06:05,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... [2020-11-22 13:06:05,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:06:05,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:06:05,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:06:05,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:06:05,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/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 [2020-11-22 13:06:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:06:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-22 13:06:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:06:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:06:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-22 13:06:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-22 13:06:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-22 13:06:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-22 13:06:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:06:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-22 13:06:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:06:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:06:05,495 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-22 13:06:05,968 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:06:05,970 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-22 13:06:05,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:05 BoogieIcfgContainer [2020-11-22 13:06:05,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:06:06,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:06:06,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:06:06,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:06:06,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:06:04" (1/3) ... [2020-11-22 13:06:06,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac9680b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:06, skipping insertion in model container [2020-11-22 13:06:06,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:05" (2/3) ... [2020-11-22 13:06:06,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac9680b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:06, skipping insertion in model container [2020-11-22 13:06:06,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:05" (3/3) ... [2020-11-22 13:06:06,009 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2020-11-22 13:06:06,034 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-22 13:06:06,035 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:06:06,039 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:06:06,040 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-22 13:06:06,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,073 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,073 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,074 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,075 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,086 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,086 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:06:06,089 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-22 13:06:06,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:06:06,133 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:06:06,133 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:06:06,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:06:06,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:06:06,134 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:06:06,135 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:06:06,135 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:06:06,135 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:06:06,148 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-22 13:06:06,150 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-22 13:06:06,154 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-22 13:06:06,156 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-11-22 13:06:06,215 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-22 13:06:06,215 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-22 13:06:06,225 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-22 13:06:06,231 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-22 13:06:08,018 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-22 13:06:08,429 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-22 13:06:08,554 INFO L131 LiptonReduction]: Checked pairs total: 1892 [2020-11-22 13:06:08,555 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-11-22 13:06:08,560 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-22 13:06:08,571 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2020-11-22 13:06:08,573 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-11-22 13:06:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-22 13:06:08,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:08,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-22 13:06:08,579 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:08,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1281927427, now seen corresponding path program 1 times [2020-11-22 13:06:08,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:06:08,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784971260] [2020-11-22 13:06:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:06:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:08,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784971260] [2020-11-22 13:06:08,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:08,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:06:08,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098499272] [2020-11-22 13:06:08,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:06:08,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:06:08,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:06:08,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:08,823 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-11-22 13:06:08,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:08,845 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-22 13:06:08,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:06:08,846 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-22 13:06:08,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:08,853 INFO L225 Difference]: With dead ends: 90 [2020-11-22 13:06:08,853 INFO L226 Difference]: Without dead ends: 74 [2020-11-22 13:06:08,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:08,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-22 13:06:08,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-22 13:06:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-22 13:06:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-22 13:06:08,910 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-22 13:06:08,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:08,911 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-22 13:06:08,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:06:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-22 13:06:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-22 13:06:08,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:08,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:08,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:06:08,917 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:08,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1085050971, now seen corresponding path program 1 times [2020-11-22 13:06:08,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:06:08,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683943971] [2020-11-22 13:06:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:06:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:09,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683943971] [2020-11-22 13:06:09,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:09,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:06:09,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466535174] [2020-11-22 13:06:09,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:09,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:06:09,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:09,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:09,097 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states. [2020-11-22 13:06:09,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:09,137 INFO L93 Difference]: Finished difference Result 82 states and 166 transitions. [2020-11-22 13:06:09,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:06:09,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-22 13:06:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:09,140 INFO L225 Difference]: With dead ends: 82 [2020-11-22 13:06:09,140 INFO L226 Difference]: Without dead ends: 66 [2020-11-22 13:06:09,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:09,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-11-22 13:06:09,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-11-22 13:06:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-22 13:06:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 138 transitions. [2020-11-22 13:06:09,163 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 138 transitions. Word has length 7 [2020-11-22 13:06:09,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:09,164 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 138 transitions. [2020-11-22 13:06:09,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:09,165 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 138 transitions. [2020-11-22 13:06:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-22 13:06:09,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:09,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:09,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:06:09,167 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:09,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:09,173 INFO L82 PathProgramCache]: Analyzing trace with hash 722349434, now seen corresponding path program 1 times [2020-11-22 13:06:09,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:06:09,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107010025] [2020-11-22 13:06:09,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:06:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:09,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107010025] [2020-11-22 13:06:09,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:09,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:06:09,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806107863] [2020-11-22 13:06:09,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:09,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:06:09,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:09,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:09,276 INFO L87 Difference]: Start difference. First operand 66 states and 138 transitions. Second operand 5 states. [2020-11-22 13:06:09,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:09,344 INFO L93 Difference]: Finished difference Result 72 states and 142 transitions. [2020-11-22 13:06:09,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:06:09,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-11-22 13:06:09,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:09,347 INFO L225 Difference]: With dead ends: 72 [2020-11-22 13:06:09,347 INFO L226 Difference]: Without dead ends: 60 [2020-11-22 13:06:09,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:06:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-22 13:06:09,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-22 13:06:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 13:06:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 122 transitions. [2020-11-22 13:06:09,353 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 122 transitions. Word has length 8 [2020-11-22 13:06:09,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:09,357 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 122 transitions. [2020-11-22 13:06:09,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 122 transitions. [2020-11-22 13:06:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 13:06:09,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:09,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:09,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 13:06:09,361 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:09,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:09,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1670451402, now seen corresponding path program 1 times [2020-11-22 13:06:09,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:06:09,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597693805] [2020-11-22 13:06:09,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:06:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:09,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597693805] [2020-11-22 13:06:09,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:09,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:06:09,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65319849] [2020-11-22 13:06:09,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:09,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:06:09,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:09,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:09,473 INFO L87 Difference]: Start difference. First operand 60 states and 122 transitions. Second operand 5 states. [2020-11-22 13:06:09,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:09,526 INFO L93 Difference]: Finished difference Result 75 states and 147 transitions. [2020-11-22 13:06:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:06:09,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-22 13:06:09,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:09,527 INFO L225 Difference]: With dead ends: 75 [2020-11-22 13:06:09,527 INFO L226 Difference]: Without dead ends: 42 [2020-11-22 13:06:09,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:06:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-22 13:06:09,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-22 13:06:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-22 13:06:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 76 transitions. [2020-11-22 13:06:09,532 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 76 transitions. Word has length 9 [2020-11-22 13:06:09,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:09,533 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 76 transitions. [2020-11-22 13:06:09,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2020-11-22 13:06:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 13:06:09,534 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:09,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:09,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 13:06:09,535 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:09,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:09,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1631439828, now seen corresponding path program 1 times [2020-11-22 13:06:09,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:06:09,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514444716] [2020-11-22 13:06:09,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:06:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:09,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514444716] [2020-11-22 13:06:09,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:09,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:06:09,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922486185] [2020-11-22 13:06:09,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:09,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:06:09,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:09,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:06:09,596 INFO L87 Difference]: Start difference. First operand 42 states and 76 transitions. Second operand 5 states. [2020-11-22 13:06:09,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:09,641 INFO L93 Difference]: Finished difference Result 36 states and 63 transitions. [2020-11-22 13:06:09,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:06:09,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-22 13:06:09,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:09,644 INFO L225 Difference]: With dead ends: 36 [2020-11-22 13:06:09,644 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:06:09,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:06:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:06:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:06:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:06:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:06:09,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-22 13:06:09,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:09,646 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:06:09,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:06:09,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:06:09,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-22 13:06:09,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:06:09 BasicIcfg [2020-11-22 13:06:09,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:06:09,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:06:09,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:06:09,650 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:06:09,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:05" (3/4) ... [2020-11-22 13:06:09,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:06:09,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-11-22 13:06:09,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-11-22 13:06:09,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-22 13:06:09,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-22 13:06:09,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:09,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:09,719 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d1761471-a97c-46f3-b3cd-62caf07669d4/bin/utaipan/witness.graphml [2020-11-22 13:06:09,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:06:09,721 INFO L168 Benchmark]: Toolchain (without parser) took 5074.42 ms. Allocated memory was 79.7 MB in the beginning and 121.6 MB in the end (delta: 41.9 MB). Free memory was 48.8 MB in the beginning and 74.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:09,722 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:09,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.41 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 48.6 MB in the beginning and 58.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:09,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 100.7 MB. Free memory was 58.4 MB in the beginning and 56.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:09,728 INFO L168 Benchmark]: Boogie Preprocessor took 50.85 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 54.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:09,729 INFO L168 Benchmark]: RCFGBuilder took 545.78 ms. Allocated memory is still 100.7 MB. Free memory was 54.9 MB in the beginning and 35.3 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:09,729 INFO L168 Benchmark]: TraceAbstraction took 3646.84 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 78.9 MB in the beginning and 77.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:09,730 INFO L168 Benchmark]: Witness Printer took 69.34 ms. Allocated memory is still 121.6 MB. Free memory was 77.9 MB in the beginning and 74.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:09,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.41 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 48.6 MB in the beginning and 58.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 100.7 MB. Free memory was 58.4 MB in the beginning and 56.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.85 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 54.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 545.78 ms. Allocated memory is still 100.7 MB. Free memory was 54.9 MB in the beginning and 35.3 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3646.84 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 78.9 MB in the beginning and 77.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. * Witness Printer took 69.34 ms. Allocated memory is still 121.6 MB. Free memory was 77.9 MB in the beginning and 74.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 543 VarBasedMoverChecksPositive, 24 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 22 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 43 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 1892 MoverChecksTotal - PositiveResult [Line: 17]: 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 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 74 SDtfs, 71 SDslu, 96 SDs, 0 SdLazy, 44 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...