./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_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin000_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/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 [2020-11-30 03:21:47,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:21:47,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:21:47,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:21:47,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:21:47,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:21:47,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:21:47,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:21:47,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:21:47,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:21:47,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:21:47,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:21:47,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:21:47,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:21:47,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:21:47,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:21:47,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:21:47,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:21:47,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:21:47,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:21:47,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:21:47,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:21:47,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:21:47,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:21:47,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:21:47,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:21:47,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:21:47,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:21:47,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:21:47,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:21:47,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:21:47,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:21:47,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:21:47,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:21:47,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:21:47,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:21:47,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:21:47,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:21:47,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:21:47,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:21:47,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:21:47,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 03:21:47,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:21:47,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:21:47,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:21:47,990 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:21:47,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:21:47,991 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:21:47,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 03:21:47,991 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:21:47,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:21:47,991 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 03:21:47,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 03:21:47,993 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:21:47,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 03:21:47,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 03:21:47,993 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 03:21:47,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:21:47,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:21:47,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:21:47,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:21:47,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:21:47,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:21:47,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:21:47,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:21:47,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 03:21:47,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:21:47,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:21:47,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:21:47,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:21:47,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:21:47,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:21:47,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:21:47,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:21:47,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:21:48,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:21:48,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:21:48,000 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 03:21:48,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:21:48,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:21:48,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:21:48,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:21:48,001 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_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f90981fedfb6782d9165385acb8cfadc06132f [2020-11-30 03:21:48,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:21:48,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:21:48,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:21:48,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:21:48,378 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:21:48,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/thin000_pso.opt.i [2020-11-30 03:21:48,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/data/a8077f78d/d7e152d365694f99a19b9dc3f1537ade/FLAG01eeb86f1 [2020-11-30 03:21:49,224 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:21:49,224 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/sv-benchmarks/c/pthread-wmm/thin000_pso.opt.i [2020-11-30 03:21:49,252 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/data/a8077f78d/d7e152d365694f99a19b9dc3f1537ade/FLAG01eeb86f1 [2020-11-30 03:21:49,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/data/a8077f78d/d7e152d365694f99a19b9dc3f1537ade [2020-11-30 03:21:49,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:21:49,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:21:49,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:21:49,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:21:49,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:21:49,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:21:49" (1/1) ... [2020-11-30 03:21:49,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8cc0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:49, skipping insertion in model container [2020-11-30 03:21:49,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:21:49" (1/1) ... [2020-11-30 03:21:49,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:21:49,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:21:50,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:21:50,033 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:21:50,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:21:50,198 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:21:50,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50 WrapperNode [2020-11-30 03:21:50,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:21:50,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:21:50,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:21:50,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:21:50,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:21:50,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:21:50,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:21:50,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:21:50,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... [2020-11-30 03:21:50,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:21:50,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:21:50,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:21:50,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:21:50,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/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 [2020-11-30 03:21:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 03:21:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-30 03:21:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:21:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 03:21:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-30 03:21:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-30 03:21:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-30 03:21:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-30 03:21:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:21:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-30 03:21:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:21:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:21:50,408 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 03:21:50,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:21:50,952 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 03:21:50,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:21:50 BoogieIcfgContainer [2020-11-30 03:21:50,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:21:50,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:21:50,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:21:50,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:21:50,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:21:49" (1/3) ... [2020-11-30 03:21:50,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323d9dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:21:50, skipping insertion in model container [2020-11-30 03:21:50,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:50" (2/3) ... [2020-11-30 03:21:50,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323d9dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:21:50, skipping insertion in model container [2020-11-30 03:21:50,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:21:50" (3/3) ... [2020-11-30 03:21:50,964 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2020-11-30 03:21:50,977 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-30 03:21:50,977 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:21:50,982 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 03:21:50,983 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-30 03:21:51,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,017 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,020 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,020 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,028 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,039 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,039 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 03:21:51,043 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-30 03:21:51,056 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 03:21:51,093 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:21:51,093 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:21:51,094 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:21:51,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:21:51,095 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:21:51,095 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:21:51,096 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:21:51,096 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:21:51,111 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-30 03:21:51,114 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-30 03:21:51,118 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-30 03:21:51,120 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-11-30 03:21:51,200 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-30 03:21:51,200 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-30 03:21:51,209 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. [2020-11-30 03:21:51,214 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-30 03:21:53,000 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-30 03:21:53,364 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-11-30 03:21:53,470 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-30 03:21:53,532 INFO L131 LiptonReduction]: Checked pairs total: 1892 [2020-11-30 03:21:53,532 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-11-30 03:21:53,539 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-30 03:21:53,553 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2020-11-30 03:21:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-11-30 03:21:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 03:21:53,562 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:21:53,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 03:21:53,563 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:21:53,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:21:53,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1281927427, now seen corresponding path program 1 times [2020-11-30 03:21:53,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:21:53,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662534809] [2020-11-30 03:21:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:21:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:21:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:21:53,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662534809] [2020-11-30 03:21:53,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:21:53,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 03:21:53,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059651176] [2020-11-30 03:21:53,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 03:21:53,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:21:53,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 03:21:53,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:21:53,782 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-11-30 03:21:53,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:21:53,802 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-30 03:21:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 03:21:53,804 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-30 03:21:53,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:21:53,815 INFO L225 Difference]: With dead ends: 90 [2020-11-30 03:21:53,815 INFO L226 Difference]: Without dead ends: 74 [2020-11-30 03:21:53,817 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 [2020-11-30 03:21:53,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-30 03:21:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-30 03:21:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-30 03:21:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-30 03:21:53,865 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-30 03:21:53,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:21:53,866 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-30 03:21:53,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 03:21:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-30 03:21:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 03:21:53,867 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:21:53,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:21:53,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 03:21:53,868 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:21:53,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:21:53,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1085050971, now seen corresponding path program 1 times [2020-11-30 03:21:53,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:21:53,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916418967] [2020-11-30 03:21:53,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:21:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:21:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:21:54,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916418967] [2020-11-30 03:21:54,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:21:54,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 03:21:54,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885324888] [2020-11-30 03:21:54,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 03:21:54,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:21:54,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 03:21:54,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 03:21:54,013 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states. [2020-11-30 03:21:54,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:21:54,051 INFO L93 Difference]: Finished difference Result 82 states and 166 transitions. [2020-11-30 03:21:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 03:21:54,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-30 03:21:54,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:21:54,055 INFO L225 Difference]: With dead ends: 82 [2020-11-30 03:21:54,055 INFO L226 Difference]: Without dead ends: 66 [2020-11-30 03:21:54,056 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 [2020-11-30 03:21:54,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-11-30 03:21:54,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-11-30 03:21:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-30 03:21:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 138 transitions. [2020-11-30 03:21:54,066 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 138 transitions. Word has length 7 [2020-11-30 03:21:54,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:21:54,067 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 138 transitions. [2020-11-30 03:21:54,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 03:21:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 138 transitions. [2020-11-30 03:21:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 03:21:54,068 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:21:54,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:21:54,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 03:21:54,070 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:21:54,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:21:54,077 INFO L82 PathProgramCache]: Analyzing trace with hash 722349434, now seen corresponding path program 1 times [2020-11-30 03:21:54,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:21:54,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595488019] [2020-11-30 03:21:54,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:21:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:21:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:21:54,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595488019] [2020-11-30 03:21:54,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:21:54,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 03:21:54,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50832213] [2020-11-30 03:21:54,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 03:21:54,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:21:54,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 03:21:54,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 03:21:54,169 INFO L87 Difference]: Start difference. First operand 66 states and 138 transitions. Second operand 5 states. [2020-11-30 03:21:54,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:21:54,242 INFO L93 Difference]: Finished difference Result 72 states and 142 transitions. [2020-11-30 03:21:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 03:21:54,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-11-30 03:21:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:21:54,245 INFO L225 Difference]: With dead ends: 72 [2020-11-30 03:21:54,245 INFO L226 Difference]: Without dead ends: 60 [2020-11-30 03:21:54,246 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 [2020-11-30 03:21:54,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-30 03:21:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-30 03:21:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-30 03:21:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 122 transitions. [2020-11-30 03:21:54,254 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 122 transitions. Word has length 8 [2020-11-30 03:21:54,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:21:54,255 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 122 transitions. [2020-11-30 03:21:54,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 03:21:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 122 transitions. [2020-11-30 03:21:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 03:21:54,256 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:21:54,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:21:54,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 03:21:54,256 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:21:54,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:21:54,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1670451402, now seen corresponding path program 1 times [2020-11-30 03:21:54,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:21:54,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947418990] [2020-11-30 03:21:54,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:21:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:21:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:21:54,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947418990] [2020-11-30 03:21:54,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:21:54,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 03:21:54,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038637827] [2020-11-30 03:21:54,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 03:21:54,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:21:54,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 03:21:54,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 03:21:54,377 INFO L87 Difference]: Start difference. First operand 60 states and 122 transitions. Second operand 5 states. [2020-11-30 03:21:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:21:54,451 INFO L93 Difference]: Finished difference Result 75 states and 147 transitions. [2020-11-30 03:21:54,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 03:21:54,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-30 03:21:54,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:21:54,456 INFO L225 Difference]: With dead ends: 75 [2020-11-30 03:21:54,456 INFO L226 Difference]: Without dead ends: 42 [2020-11-30 03:21:54,457 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 [2020-11-30 03:21:54,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-30 03:21:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-30 03:21:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-30 03:21:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 76 transitions. [2020-11-30 03:21:54,461 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 76 transitions. Word has length 9 [2020-11-30 03:21:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:21:54,462 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 76 transitions. [2020-11-30 03:21:54,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 03:21:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2020-11-30 03:21:54,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 03:21:54,463 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:21:54,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:21:54,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 03:21:54,464 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:21:54,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:21:54,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1631439828, now seen corresponding path program 1 times [2020-11-30 03:21:54,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:21:54,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557404962] [2020-11-30 03:21:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:21:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:21:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:21:54,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557404962] [2020-11-30 03:21:54,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:21:54,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 03:21:54,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50566052] [2020-11-30 03:21:54,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 03:21:54,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:21:54,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 03:21:54,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 03:21:54,587 INFO L87 Difference]: Start difference. First operand 42 states and 76 transitions. Second operand 5 states. [2020-11-30 03:21:54,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:21:54,645 INFO L93 Difference]: Finished difference Result 36 states and 63 transitions. [2020-11-30 03:21:54,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 03:21:54,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-30 03:21:54,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:21:54,646 INFO L225 Difference]: With dead ends: 36 [2020-11-30 03:21:54,647 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 03:21:54,647 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 [2020-11-30 03:21:54,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 03:21:54,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 03:21:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 03:21:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 03:21:54,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-30 03:21:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:21:54,648 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 03:21:54,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 03:21:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 03:21:54,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 03:21:54,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 03:21:54,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:21:54 BasicIcfg [2020-11-30 03:21:54,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:21:54,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:21:54,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:21:54,653 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:21:54,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:21:50" (3/4) ... [2020-11-30 03:21:54,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 03:21:54,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-11-30 03:21:54,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-11-30 03:21:54,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-30 03:21:54,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 03:21:54,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:21:54,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:21:54,708 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2aeb7f2-a664-4db5-8462-3bb308df7b3e/bin/utaipan/witness.graphml [2020-11-30 03:21:54,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:21:54,710 INFO L168 Benchmark]: Toolchain (without parser) took 5219.55 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 87.9 MB in the beginning and 108.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-11-30 03:21:54,711 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 72.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:21:54,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.46 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 74.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 03:21:54,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.54 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 72.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:21:54,713 INFO L168 Benchmark]: Boogie Preprocessor took 47.06 ms. Allocated memory is still 117.4 MB. Free memory was 72.5 MB in the beginning and 71.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:21:54,714 INFO L168 Benchmark]: RCFGBuilder took 628.38 ms. Allocated memory is still 117.4 MB. Free memory was 71.2 MB in the beginning and 85.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 03:21:54,715 INFO L168 Benchmark]: TraceAbstraction took 3695.95 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 85.0 MB in the beginning and 110.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 344.3 kB. Max. memory is 16.1 GB. [2020-11-30 03:21:54,716 INFO L168 Benchmark]: Witness Printer took 56.31 ms. Allocated memory is still 142.6 MB. Free memory was 110.4 MB in the beginning and 108.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:21:54,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 43.6 MB in the beginning and 43.6 MB in the end (delta: 72.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.46 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 74.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.54 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 72.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.06 ms. Allocated memory is still 117.4 MB. Free memory was 72.5 MB in the beginning and 71.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 628.38 ms. Allocated memory is still 117.4 MB. Free memory was 71.2 MB in the beginning and 85.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3695.95 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 85.0 MB in the beginning and 110.4 MB in the end (delta: -25.4 MB). Peak memory consumption was 344.3 kB. Max. memory is 16.1 GB. * Witness Printer took 56.31 ms. Allocated memory is still 142.6 MB. Free memory was 110.4 MB in the beginning and 108.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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: 0.2s, 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: 0.3s, 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, 0.2s 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...