./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d03876ec7c81cef1206e9d3a88b822f346950633 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:51:05,089 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:51:05,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:51:05,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:51:05,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:51:05,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:51:05,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:51:05,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:51:05,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:51:05,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:51:05,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:51:05,100 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:51:05,101 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:51:05,101 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:51:05,102 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:51:05,102 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:51:05,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:51:05,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:51:05,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:51:05,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:51:05,106 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:51:05,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:51:05,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:51:05,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:51:05,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:51:05,108 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:51:05,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:51:05,109 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:51:05,110 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:51:05,110 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:51:05,110 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:51:05,111 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:51:05,111 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:51:05,111 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:51:05,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:51:05,112 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:51:05,112 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 05:51:05,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:51:05,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:51:05,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:51:05,122 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:51:05,122 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 05:51:05,123 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 05:51:05,123 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 05:51:05,123 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 05:51:05,123 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 05:51:05,123 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 05:51:05,123 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 05:51:05,123 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 05:51:05,123 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 05:51:05,124 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:51:05,124 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:51:05,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:51:05,124 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:51:05,125 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:51:05,125 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:51:05,125 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:51:05,125 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:51:05,125 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:51:05,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:51:05,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:51:05,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:51:05,126 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:51:05,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:51:05,126 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:51:05,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:51:05,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:51:05,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:51:05,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:51:05,127 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 05:51:05,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:51:05,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:51:05,127 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 05:51:05,127 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d03876ec7c81cef1206e9d3a88b822f346950633 [2018-12-09 05:51:05,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:51:05,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:51:05,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:51:05,159 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:51:05,159 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:51:05,160 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i [2018-12-09 05:51:05,199 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/data/cdee35b4d/051a0d218fa04aeb9efaa4d1b5558ee7/FLAGd87f57dc3 [2018-12-09 05:51:05,614 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:51:05,614 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i [2018-12-09 05:51:05,622 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/data/cdee35b4d/051a0d218fa04aeb9efaa4d1b5558ee7/FLAGd87f57dc3 [2018-12-09 05:51:05,631 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/data/cdee35b4d/051a0d218fa04aeb9efaa4d1b5558ee7 [2018-12-09 05:51:05,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:51:05,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:51:05,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:51:05,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:51:05,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:51:05,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:05,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198b87e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05, skipping insertion in model container [2018-12-09 05:51:05,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:05,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:51:05,667 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:51:05,880 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:51:05,887 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:51:05,944 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:51:05,974 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:51:05,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05 WrapperNode [2018-12-09 05:51:05,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:51:05,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:51:05,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:51:05,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:51:05,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:05,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:51:06,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:51:06,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:51:06,000 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:51:06,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... [2018-12-09 05:51:06,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:51:06,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:51:06,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:51:06,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:51:06,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/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 [2018-12-09 05:51:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:51:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 05:51:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 05:51:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 05:51:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 05:51:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 05:51:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 05:51:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 05:51:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-09 05:51:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-09 05:51:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 05:51:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:51:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:51:06,056 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 05:51:06,222 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:51:06,222 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 05:51:06,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:51:06 BoogieIcfgContainer [2018-12-09 05:51:06,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:51:06,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:51:06,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:51:06,225 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:51:06,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:51:05" (1/3) ... [2018-12-09 05:51:06,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6892e389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:51:06, skipping insertion in model container [2018-12-09 05:51:06,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:05" (2/3) ... [2018-12-09 05:51:06,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6892e389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:51:06, skipping insertion in model container [2018-12-09 05:51:06,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:51:06" (3/3) ... [2018-12-09 05:51:06,227 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.oepc_true-unreach-call.i [2018-12-09 05:51:06,246 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,246 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,246 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,246 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,246 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,246 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,247 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,248 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 05:51:06,256 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 05:51:06,257 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:51:06,261 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:51:06,270 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:51:06,284 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:51:06,284 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:51:06,284 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:51:06,284 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:51:06,284 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:51:06,284 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:51:06,284 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:51:06,284 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:51:06,289 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54places, 51 transitions [2018-12-09 05:51:06,341 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2383 states. [2018-12-09 05:51:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states. [2018-12-09 05:51:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 05:51:06,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:51:06,352 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:51:06,353 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:51:06,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:51:06,357 INFO L82 PathProgramCache]: Analyzing trace with hash 244532871, now seen corresponding path program 1 times [2018-12-09 05:51:06,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:51:06,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:51:06,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:51:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:51:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:51:06,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:51:06,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 05:51:06,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:51:06,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 05:51:06,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 05:51:06,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 05:51:06,508 INFO L87 Difference]: Start difference. First operand 2383 states. Second operand 4 states. [2018-12-09 05:51:06,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:51:06,564 INFO L93 Difference]: Finished difference Result 2491 states and 8067 transitions. [2018-12-09 05:51:06,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:51:06,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-12-09 05:51:06,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:51:06,580 INFO L225 Difference]: With dead ends: 2491 [2018-12-09 05:51:06,580 INFO L226 Difference]: Without dead ends: 1126 [2018-12-09 05:51:06,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:51:06,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2018-12-09 05:51:06,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1126. [2018-12-09 05:51:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2018-12-09 05:51:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 3556 transitions. [2018-12-09 05:51:06,638 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 3556 transitions. Word has length 28 [2018-12-09 05:51:06,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:51:06,639 INFO L480 AbstractCegarLoop]: Abstraction has 1126 states and 3556 transitions. [2018-12-09 05:51:06,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 05:51:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3556 transitions. [2018-12-09 05:51:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 05:51:06,641 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:51:06,641 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:51:06,641 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:51:06,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:51:06,641 INFO L82 PathProgramCache]: Analyzing trace with hash 968273041, now seen corresponding path program 1 times [2018-12-09 05:51:06,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:51:06,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:51:06,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:51:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:51:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:51:06,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:51:06,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:51:06,702 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:51:06,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:51:06,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:51:06,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:51:06,703 INFO L87 Difference]: Start difference. First operand 1126 states and 3556 transitions. Second operand 5 states. [2018-12-09 05:51:06,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:51:06,746 INFO L93 Difference]: Finished difference Result 1166 states and 3550 transitions. [2018-12-09 05:51:06,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 05:51:06,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-09 05:51:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:51:06,752 INFO L225 Difference]: With dead ends: 1166 [2018-12-09 05:51:06,752 INFO L226 Difference]: Without dead ends: 1042 [2018-12-09 05:51:06,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:51:06,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2018-12-09 05:51:06,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042. [2018-12-09 05:51:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2018-12-09 05:51:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 3241 transitions. [2018-12-09 05:51:06,780 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 3241 transitions. Word has length 29 [2018-12-09 05:51:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:51:06,780 INFO L480 AbstractCegarLoop]: Abstraction has 1042 states and 3241 transitions. [2018-12-09 05:51:06,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:51:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 3241 transitions. [2018-12-09 05:51:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 05:51:06,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:51:06,782 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:51:06,782 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:51:06,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:51:06,782 INFO L82 PathProgramCache]: Analyzing trace with hash -747764909, now seen corresponding path program 1 times [2018-12-09 05:51:06,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:51:06,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:51:06,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:51:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:51:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:51:06,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:51:06,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:51:06,840 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:51:06,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:51:06,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:51:06,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:51:06,840 INFO L87 Difference]: Start difference. First operand 1042 states and 3241 transitions. Second operand 6 states. [2018-12-09 05:51:06,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:51:06,884 INFO L93 Difference]: Finished difference Result 818 states and 2377 transitions. [2018-12-09 05:51:06,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 05:51:06,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-12-09 05:51:06,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:51:06,888 INFO L225 Difference]: With dead ends: 818 [2018-12-09 05:51:06,888 INFO L226 Difference]: Without dead ends: 706 [2018-12-09 05:51:06,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-12-09 05:51:06,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-12-09 05:51:06,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2018-12-09 05:51:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2018-12-09 05:51:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2065 transitions. [2018-12-09 05:51:06,908 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2065 transitions. Word has length 30 [2018-12-09 05:51:06,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:51:06,908 INFO L480 AbstractCegarLoop]: Abstraction has 706 states and 2065 transitions. [2018-12-09 05:51:06,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:51:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2065 transitions. [2018-12-09 05:51:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 05:51:06,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:51:06,910 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:51:06,910 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:51:06,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:51:06,911 INFO L82 PathProgramCache]: Analyzing trace with hash 832052697, now seen corresponding path program 1 times [2018-12-09 05:51:06,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:51:06,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:51:06,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:06,915 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:51:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:51:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:51:06,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:51:06,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:51:06,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:51:06,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:51:06,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:51:06,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:51:06,993 INFO L87 Difference]: Start difference. First operand 706 states and 2065 transitions. Second operand 6 states. [2018-12-09 05:51:07,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:51:07,046 INFO L93 Difference]: Finished difference Result 1170 states and 3449 transitions. [2018-12-09 05:51:07,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 05:51:07,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-09 05:51:07,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:51:07,050 INFO L225 Difference]: With dead ends: 1170 [2018-12-09 05:51:07,050 INFO L226 Difference]: Without dead ends: 670 [2018-12-09 05:51:07,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 05:51:07,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-12-09 05:51:07,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2018-12-09 05:51:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-12-09 05:51:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1961 transitions. [2018-12-09 05:51:07,067 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1961 transitions. Word has length 31 [2018-12-09 05:51:07,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:51:07,068 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 1961 transitions. [2018-12-09 05:51:07,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:51:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1961 transitions. [2018-12-09 05:51:07,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 05:51:07,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:51:07,070 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:51:07,070 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:51:07,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:51:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash 735486425, now seen corresponding path program 2 times [2018-12-09 05:51:07,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:51:07,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:07,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:51:07,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:07,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:51:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:51:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:51:07,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:51:07,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:51:07,129 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:51:07,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:51:07,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:51:07,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:51:07,130 INFO L87 Difference]: Start difference. First operand 670 states and 1961 transitions. Second operand 7 states. [2018-12-09 05:51:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:51:07,237 INFO L93 Difference]: Finished difference Result 1054 states and 3145 transitions. [2018-12-09 05:51:07,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:51:07,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 05:51:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:51:07,240 INFO L225 Difference]: With dead ends: 1054 [2018-12-09 05:51:07,240 INFO L226 Difference]: Without dead ends: 650 [2018-12-09 05:51:07,240 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:51:07,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-12-09 05:51:07,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2018-12-09 05:51:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-12-09 05:51:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1909 transitions. [2018-12-09 05:51:07,251 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1909 transitions. Word has length 31 [2018-12-09 05:51:07,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:51:07,251 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 1909 transitions. [2018-12-09 05:51:07,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:51:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1909 transitions. [2018-12-09 05:51:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 05:51:07,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:51:07,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:51:07,252 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:51:07,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:51:07,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2049017953, now seen corresponding path program 3 times [2018-12-09 05:51:07,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:51:07,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:07,254 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 05:51:07,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:51:07,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:51:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:51:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:51:07,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:51:07,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:51:07,312 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:51:07,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:51:07,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:51:07,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:51:07,313 INFO L87 Difference]: Start difference. First operand 650 states and 1909 transitions. Second operand 7 states. [2018-12-09 05:51:07,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:51:07,401 INFO L93 Difference]: Finished difference Result 522 states and 1493 transitions. [2018-12-09 05:51:07,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:51:07,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 05:51:07,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:51:07,402 INFO L225 Difference]: With dead ends: 522 [2018-12-09 05:51:07,402 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 05:51:07,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:51:07,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 05:51:07,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 05:51:07,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 05:51:07,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 05:51:07,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-09 05:51:07,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:51:07,403 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 05:51:07,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:51:07,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 05:51:07,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:51:07,405 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 05:51:07,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:51:07 BasicIcfg [2018-12-09 05:51:07,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:51:07,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:51:07,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:51:07,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:51:07,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:51:06" (3/4) ... [2018-12-09 05:51:07,409 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:51:07,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-09 05:51:07,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-09 05:51:07,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-09 05:51:07,416 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 05:51:07,416 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 05:51:07,440 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18d06096-f416-4022-a855-1dbd51e3f389/bin-2019/utaipan/witness.graphml [2018-12-09 05:51:07,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:51:07,441 INFO L168 Benchmark]: Toolchain (without parser) took 1807.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -105.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:51:07,441 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:51:07,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:51:07,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:51:07,442 INFO L168 Benchmark]: Boogie Preprocessor took 13.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:51:07,442 INFO L168 Benchmark]: RCFGBuilder took 208.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:51:07,443 INFO L168 Benchmark]: TraceAbstraction took 1182.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 11.5 GB. [2018-12-09 05:51:07,443 INFO L168 Benchmark]: Witness Printer took 34.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 05:51:07,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1182.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 11.5 GB. * Witness Printer took 34.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 69 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 359 SDtfs, 400 SDslu, 937 SDs, 0 SdLazy, 97 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2383occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 11766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...