./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe000_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe000_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI --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 69a6a28dd1255bef403cf689b671dd8e1090efae ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:42,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:42,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:42,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:42,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:42,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:42,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:42,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:42,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:42,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:42,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:42,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:42,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:42,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:42,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:42,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:42,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:42,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:42,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:42,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:42,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:42,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:42,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:42,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:42,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:42,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:42,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:42,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:42,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:42,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:42,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:42,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:42,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:42,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:42,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:42,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:42,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:42,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:42,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:42,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:42,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:42,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:42,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:42,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:42,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:42,709 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:42,709 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:42,709 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:42,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:42,710 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:42,710 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:42,710 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:42,717 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:42,718 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:42,718 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:42,718 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:42,718 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:42,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:42,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:42,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:42,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:42,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:42,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:42,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:42,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:42,721 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:42,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:42,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:42,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:42,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:42,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:42,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:42,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:42,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:42,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:42,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:42,725 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:42,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:42,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:42,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:42,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:42,726 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_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69a6a28dd1255bef403cf689b671dd8e1090efae [2021-10-11 02:23:43,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:43,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:43,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:43,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:43,075 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:43,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-wmm/safe000_tso.opt.i [2021-10-11 02:23:43,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/data/e8176d4bf/175f08d771aa4a4e93c4569c502fc22d/FLAG07d267795 [2021-10-11 02:23:43,813 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:43,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/sv-benchmarks/c/pthread-wmm/safe000_tso.opt.i [2021-10-11 02:23:43,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/data/e8176d4bf/175f08d771aa4a4e93c4569c502fc22d/FLAG07d267795 [2021-10-11 02:23:44,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/data/e8176d4bf/175f08d771aa4a4e93c4569c502fc22d [2021-10-11 02:23:44,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:44,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:44,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:44,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:44,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:44,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ff5c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44, skipping insertion in model container [2021-10-11 02:23:44,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:44,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:44,339 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/sv-benchmarks/c/pthread-wmm/safe000_tso.opt.i[949,962] [2021-10-11 02:23:44,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:44,562 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:44,576 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/sv-benchmarks/c/pthread-wmm/safe000_tso.opt.i[949,962] [2021-10-11 02:23:44,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:44,701 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:44,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44 WrapperNode [2021-10-11 02:23:44,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:44,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:44,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:44,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:44,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:44,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:44,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:44,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:44,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:44,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:44,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:44,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:44,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:23:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:23:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-11 02:23:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:23:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-11 02:23:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-11 02:23:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-11 02:23:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-11 02:23:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-11 02:23:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-11 02:23:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:23:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-11 02:23:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:44,882 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-11 02:23:45,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:45,234 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 02:23:45,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:45 BoogieIcfgContainer [2021-10-11 02:23:45,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:45,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:45,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:45,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:45,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:44" (1/3) ... [2021-10-11 02:23:45,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3fbce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:45, skipping insertion in model container [2021-10-11 02:23:45,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44" (2/3) ... [2021-10-11 02:23:45,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3fbce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:45, skipping insertion in model container [2021-10-11 02:23:45,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:45" (3/3) ... [2021-10-11 02:23:45,260 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_tso.opt.i [2021-10-11 02:23:45,274 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-11 02:23:45,274 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:45,277 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:23:45,278 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-11 02:23:45,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,337 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,337 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,339 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,339 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,345 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,346 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,346 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,347 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,347 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,348 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,348 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,393 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,393 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-11 02:23:45,396 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-11 02:23:45,409 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:23:45,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:45,443 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:45,443 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:45,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:45,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:45,444 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:45,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:45,444 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:45,458 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-11 02:23:45,460 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 75 transitions, 165 flow [2021-10-11 02:23:45,463 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 75 transitions, 165 flow [2021-10-11 02:23:45,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow [2021-10-11 02:23:45,531 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-10-11 02:23:45,532 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-11 02:23:45,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-10-11 02:23:45,547 INFO L116 LiptonReduction]: Number of co-enabled transitions 1296 [2021-10-11 02:23:48,316 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-10-11 02:23:48,633 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-10-11 02:23:48,726 INFO L131 LiptonReduction]: Checked pairs total: 2653 [2021-10-11 02:23:48,727 INFO L133 LiptonReduction]: Total number of compositions: 59 [2021-10-11 02:23:48,734 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2021-10-11 02:23:48,776 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2021-10-11 02:23:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2021-10-11 02:23:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:23:48,785 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:48,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:48,786 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:48,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:48,792 INFO L82 PathProgramCache]: Analyzing trace with hash -991402129, now seen corresponding path program 1 times [2021-10-11 02:23:48,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:48,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188575465] [2021-10-11 02:23:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:49,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188575465] [2021-10-11 02:23:49,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:49,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:49,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498778044] [2021-10-11 02:23:49,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:23:49,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:49,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:23:49,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:49,070 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2021-10-11 02:23:49,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:49,127 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2021-10-11 02:23:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:23:49,129 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-10-11 02:23:49,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:49,156 INFO L225 Difference]: With dead ends: 362 [2021-10-11 02:23:49,157 INFO L226 Difference]: Without dead ends: 298 [2021-10-11 02:23:49,158 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 [2021-10-11 02:23:49,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-11 02:23:49,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-10-11 02:23:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-10-11 02:23:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2021-10-11 02:23:49,230 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2021-10-11 02:23:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:49,231 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2021-10-11 02:23:49,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:23:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2021-10-11 02:23:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:23:49,232 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:49,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:49,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:23:49,233 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:49,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:49,234 INFO L82 PathProgramCache]: Analyzing trace with hash -668714259, now seen corresponding path program 1 times [2021-10-11 02:23:49,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:49,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289499191] [2021-10-11 02:23:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:49,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289499191] [2021-10-11 02:23:49,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:49,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:49,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486236391] [2021-10-11 02:23:49,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:23:49,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:49,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:23:49,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:49,379 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2021-10-11 02:23:49,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:49,459 INFO L93 Difference]: Finished difference Result 545 states and 1490 transitions. [2021-10-11 02:23:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:49,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2021-10-11 02:23:49,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:49,464 INFO L225 Difference]: With dead ends: 545 [2021-10-11 02:23:49,464 INFO L226 Difference]: Without dead ends: 422 [2021-10-11 02:23:49,465 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 [2021-10-11 02:23:49,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-10-11 02:23:49,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 352. [2021-10-11 02:23:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2021-10-11 02:23:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 987 transitions. [2021-10-11 02:23:49,495 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 987 transitions. Word has length 9 [2021-10-11 02:23:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:49,495 INFO L481 AbstractCegarLoop]: Abstraction has 352 states and 987 transitions. [2021-10-11 02:23:49,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:23:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 987 transitions. [2021-10-11 02:23:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:23:49,497 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:49,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:49,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:23:49,497 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:49,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:49,498 INFO L82 PathProgramCache]: Analyzing trace with hash 39953638, now seen corresponding path program 1 times [2021-10-11 02:23:49,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:49,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65565892] [2021-10-11 02:23:49,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:49,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65565892] [2021-10-11 02:23:49,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:49,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:49,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932926644] [2021-10-11 02:23:49,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:49,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:49,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:49,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:49,597 INFO L87 Difference]: Start difference. First operand 352 states and 987 transitions. Second operand 5 states. [2021-10-11 02:23:49,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:49,682 INFO L93 Difference]: Finished difference Result 448 states and 1164 transitions. [2021-10-11 02:23:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:49,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2021-10-11 02:23:49,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:49,686 INFO L225 Difference]: With dead ends: 448 [2021-10-11 02:23:49,686 INFO L226 Difference]: Without dead ends: 360 [2021-10-11 02:23:49,687 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 [2021-10-11 02:23:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-10-11 02:23:49,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 302. [2021-10-11 02:23:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2021-10-11 02:23:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 814 transitions. [2021-10-11 02:23:49,720 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 814 transitions. Word has length 10 [2021-10-11 02:23:49,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:49,721 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 814 transitions. [2021-10-11 02:23:49,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 814 transitions. [2021-10-11 02:23:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:23:49,728 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:49,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:49,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 02:23:49,729 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:49,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1610224715, now seen corresponding path program 1 times [2021-10-11 02:23:49,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:49,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304746960] [2021-10-11 02:23:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:49,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304746960] [2021-10-11 02:23:49,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:49,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:49,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689778790] [2021-10-11 02:23:49,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:49,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:49,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:49,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:49,874 INFO L87 Difference]: Start difference. First operand 302 states and 814 transitions. Second operand 5 states. [2021-10-11 02:23:49,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:49,934 INFO L93 Difference]: Finished difference Result 382 states and 984 transitions. [2021-10-11 02:23:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:49,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:23:49,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:49,946 INFO L225 Difference]: With dead ends: 382 [2021-10-11 02:23:49,950 INFO L226 Difference]: Without dead ends: 338 [2021-10-11 02:23:49,951 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 [2021-10-11 02:23:49,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-10-11 02:23:49,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 286. [2021-10-11 02:23:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-10-11 02:23:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 762 transitions. [2021-10-11 02:23:49,965 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 762 transitions. Word has length 11 [2021-10-11 02:23:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:49,968 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 762 transitions. [2021-10-11 02:23:49,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 762 transitions. [2021-10-11 02:23:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:23:49,969 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:49,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:49,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 02:23:49,970 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:49,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:49,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1368326109, now seen corresponding path program 1 times [2021-10-11 02:23:49,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:49,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121184158] [2021-10-11 02:23:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:50,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121184158] [2021-10-11 02:23:50,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:50,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:50,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197579199] [2021-10-11 02:23:50,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:50,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:50,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:50,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:50,107 INFO L87 Difference]: Start difference. First operand 286 states and 762 transitions. Second operand 5 states. [2021-10-11 02:23:50,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:50,167 INFO L93 Difference]: Finished difference Result 344 states and 893 transitions. [2021-10-11 02:23:50,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:50,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2021-10-11 02:23:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:50,176 INFO L225 Difference]: With dead ends: 344 [2021-10-11 02:23:50,177 INFO L226 Difference]: Without dead ends: 320 [2021-10-11 02:23:50,177 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 [2021-10-11 02:23:50,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-10-11 02:23:50,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 250. [2021-10-11 02:23:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-10-11 02:23:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 666 transitions. [2021-10-11 02:23:50,189 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 666 transitions. Word has length 12 [2021-10-11 02:23:50,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:50,189 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 666 transitions. [2021-10-11 02:23:50,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 666 transitions. [2021-10-11 02:23:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:23:50,191 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:50,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:50,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 02:23:50,191 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1069072958, now seen corresponding path program 1 times [2021-10-11 02:23:50,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:50,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957039770] [2021-10-11 02:23:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:50,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957039770] [2021-10-11 02:23:50,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:50,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:50,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795528893] [2021-10-11 02:23:50,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:50,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:50,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:50,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:50,260 INFO L87 Difference]: Start difference. First operand 250 states and 666 transitions. Second operand 5 states. [2021-10-11 02:23:50,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:50,311 INFO L93 Difference]: Finished difference Result 304 states and 775 transitions. [2021-10-11 02:23:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:23:50,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2021-10-11 02:23:50,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:50,314 INFO L225 Difference]: With dead ends: 304 [2021-10-11 02:23:50,314 INFO L226 Difference]: Without dead ends: 134 [2021-10-11 02:23:50,315 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 [2021-10-11 02:23:50,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-11 02:23:50,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-10-11 02:23:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-10-11 02:23:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 312 transitions. [2021-10-11 02:23:50,320 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 312 transitions. Word has length 12 [2021-10-11 02:23:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:50,321 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 312 transitions. [2021-10-11 02:23:50,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 312 transitions. [2021-10-11 02:23:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:23:50,321 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:50,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:50,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 02:23:50,322 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:50,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1136607611, now seen corresponding path program 1 times [2021-10-11 02:23:50,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:50,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635394945] [2021-10-11 02:23:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:50,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635394945] [2021-10-11 02:23:50,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:50,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:50,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15429260] [2021-10-11 02:23:50,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:23:50,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:50,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:23:50,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:50,438 INFO L87 Difference]: Start difference. First operand 134 states and 312 transitions. Second operand 6 states. [2021-10-11 02:23:50,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:50,481 INFO L93 Difference]: Finished difference Result 162 states and 372 transitions. [2021-10-11 02:23:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:23:50,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2021-10-11 02:23:50,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:50,483 INFO L225 Difference]: With dead ends: 162 [2021-10-11 02:23:50,483 INFO L226 Difference]: Without dead ends: 90 [2021-10-11 02:23:50,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:50,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-10-11 02:23:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-10-11 02:23:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-10-11 02:23:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 194 transitions. [2021-10-11 02:23:50,493 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 194 transitions. Word has length 14 [2021-10-11 02:23:50,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:50,493 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 194 transitions. [2021-10-11 02:23:50,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:23:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 194 transitions. [2021-10-11 02:23:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 02:23:50,496 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:50,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:50,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 02:23:50,496 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:50,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:50,497 INFO L82 PathProgramCache]: Analyzing trace with hash 559846421, now seen corresponding path program 1 times [2021-10-11 02:23:50,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:50,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378063228] [2021-10-11 02:23:50,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:50,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378063228] [2021-10-11 02:23:50,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:50,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:50,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857426972] [2021-10-11 02:23:50,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:50,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:50,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:50,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:50,592 INFO L87 Difference]: Start difference. First operand 90 states and 194 transitions. Second operand 5 states. [2021-10-11 02:23:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:50,619 INFO L93 Difference]: Finished difference Result 82 states and 174 transitions. [2021-10-11 02:23:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:50,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2021-10-11 02:23:50,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:50,620 INFO L225 Difference]: With dead ends: 82 [2021-10-11 02:23:50,620 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:50,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:23:50,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:50,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:50,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-10-11 02:23:50,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:50,622 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:50,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:50,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:50,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 02:23:50,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:50 BasicIcfg [2021-10-11 02:23:50,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:50,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:50,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:50,626 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:50,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:45" (3/4) ... [2021-10-11 02:23:50,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:50,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-11 02:23:50,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-11 02:23:50,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-10-11 02:23:50,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-11 02:23:50,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 02:23:50,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:50,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:50,677 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9b4b9b-b0a4-4aba-ad5d-1d3004795258/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:50,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:50,679 INFO L168 Benchmark]: Toolchain (without parser) took 6626.93 ms. Allocated memory was 123.7 MB in the beginning and 186.6 MB in the end (delta: 62.9 MB). Free memory was 84.8 MB in the beginning and 125.7 MB in the end (delta: -40.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,679 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 123.7 MB. Free memory was 102.8 MB in the beginning and 102.8 MB in the end (delta: 64.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:50,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.11 ms. Allocated memory is still 123.7 MB. Free memory was 84.6 MB in the beginning and 77.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.25 ms. Allocated memory is still 123.7 MB. Free memory was 77.6 MB in the beginning and 75.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,681 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 ms. Allocated memory is still 123.7 MB. Free memory was 75.8 MB in the beginning and 74.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,682 INFO L168 Benchmark]: RCFGBuilder took 478.08 ms. Allocated memory is still 123.7 MB. Free memory was 74.3 MB in the beginning and 52.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,682 INFO L168 Benchmark]: TraceAbstraction took 5370.27 ms. Allocated memory was 123.7 MB in the beginning and 186.6 MB in the end (delta: 62.9 MB). Free memory was 52.1 MB in the beginning and 127.8 MB in the end (delta: -75.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:50,683 INFO L168 Benchmark]: Witness Printer took 52.39 ms. Allocated memory is still 186.6 MB. Free memory was 127.8 MB in the beginning and 125.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:50,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 123.7 MB. Free memory was 102.8 MB in the beginning and 102.8 MB in the end (delta: 64.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.11 ms. Allocated memory is still 123.7 MB. Free memory was 84.6 MB in the beginning and 77.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.25 ms. Allocated memory is still 123.7 MB. Free memory was 77.6 MB in the beginning and 75.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.21 ms. Allocated memory is still 123.7 MB. Free memory was 75.8 MB in the beginning and 74.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 478.08 ms. Allocated memory is still 123.7 MB. Free memory was 74.3 MB in the beginning and 52.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5370.27 ms. Allocated memory was 123.7 MB in the beginning and 186.6 MB in the end (delta: 62.9 MB). Free memory was 52.1 MB in the beginning and 127.8 MB in the end (delta: -75.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 52.39 ms. Allocated memory is still 186.6 MB. Free memory was 127.8 MB in the beginning and 125.7 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 743 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 65 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 83 PlacesBefore, 32 PlacesAfterwards, 75 TransitionsBefore, 23 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 59 TotalNumberOfCompositions, 2653 MoverChecksTotal - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 186 SDtfs, 204 SDslu, 273 SDs, 0 SdLazy, 116 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 250 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 5583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...