./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 858eb92d9d907a95e1fa2c95755d1ad33d1f3141 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:41:13,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:41:13,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:41:13,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:41:13,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:41:13,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:41:13,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:41:13,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:41:13,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:41:13,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:41:13,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:41:13,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:41:13,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:41:13,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:41:13,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:41:13,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:41:13,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:41:13,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:41:13,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:41:13,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:41:13,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:41:13,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:41:13,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:41:13,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:41:13,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:41:13,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:41:13,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:41:13,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:41:13,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:41:13,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:41:13,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:41:13,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:41:13,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:41:13,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:41:13,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:41:13,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:41:13,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:41:13,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:41:13,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:41:13,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:41:13,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:41:13,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:41:13,281 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:41:13,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:41:13,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:41:13,282 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:41:13,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:41:13,283 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:41:13,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:41:13,283 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:41:13,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:41:13,284 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:41:13,284 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:41:13,284 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:41:13,284 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:41:13,285 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:41:13,285 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:41:13,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:41:13,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:41:13,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:41:13,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:41:13,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:41:13,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:41:13,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:41:13,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:41:13,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:41:13,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:41:13,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:41:13,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:41:13,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:41:13,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:41:13,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:41:13,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:41:13,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:41:13,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:41:13,289 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:41:13,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:41:13,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:41:13,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:41:13,290 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 858eb92d9d907a95e1fa2c95755d1ad33d1f3141 [2019-11-26 02:41:13,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:41:13,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:41:13,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:41:13,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:41:13,466 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:41:13,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i [2019-11-26 02:41:13,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/data/4aa58be6f/195bc0d943094650875b03a3103b280f/FLAG87df13c6b [2019-11-26 02:41:13,982 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:41:13,983 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i [2019-11-26 02:41:13,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/data/4aa58be6f/195bc0d943094650875b03a3103b280f/FLAG87df13c6b [2019-11-26 02:41:14,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/data/4aa58be6f/195bc0d943094650875b03a3103b280f [2019-11-26 02:41:14,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:41:14,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:41:14,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:14,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:41:14,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:41:14,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319691ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14, skipping insertion in model container [2019-11-26 02:41:14,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:41:14,325 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:41:14,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:14,702 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:41:14,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:14,807 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:41:14,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14 WrapperNode [2019-11-26 02:41:14,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:14,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:14,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:41:14,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:41:14,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:14,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:41:14,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:41:14,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:41:14,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:41:14,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:41:14,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:41:14,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:41:14,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:41:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:41:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-26 02:41:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:41:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:41:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-26 02:41:14,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-26 02:41:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-26 02:41:14,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-26 02:41:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-26 02:41:14,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-26 02:41:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-26 02:41:14,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:41:14,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:41:14,989 WARN L202 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:41:15,275 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:41:15,275 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:41:15,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:15 BoogieIcfgContainer [2019-11-26 02:41:15,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:41:15,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:41:15,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:41:15,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:41:15,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:41:14" (1/3) ... [2019-11-26 02:41:15,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c4aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:15, skipping insertion in model container [2019-11-26 02:41:15,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (2/3) ... [2019-11-26 02:41:15,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c4aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:15, skipping insertion in model container [2019-11-26 02:41:15,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:15" (3/3) ... [2019-11-26 02:41:15,282 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.oepc.i [2019-11-26 02:41:15,324 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,324 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,324 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,325 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,326 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,326 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,327 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,327 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,328 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,328 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,329 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,329 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,330 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,331 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,331 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,331 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,331 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,331 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,332 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,332 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,333 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,333 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,334 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,334 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:41:15,360 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-26 02:41:15,360 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:41:15,367 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:41:15,377 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:41:15,394 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:41:15,395 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:41:15,395 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:41:15,395 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:41:15,395 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:41:15,395 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:41:15,395 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:41:15,395 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:41:15,405 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 73 transitions [2019-11-26 02:41:15,533 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-26 02:41:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-26 02:41:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:41:15,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:15,554 INFO L410 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] [2019-11-26 02:41:15,555 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:15,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:15,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1271650482, now seen corresponding path program 1 times [2019-11-26 02:41:15,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:15,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252394227] [2019-11-26 02:41:15,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:15,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252394227] [2019-11-26 02:41:15,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:15,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:41:15,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881733890] [2019-11-26 02:41:15,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:41:15,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:15,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:41:15,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:41:15,855 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-26 02:41:15,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:15,983 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-26 02:41:15,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:41:15,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-26 02:41:15,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:16,019 INFO L225 Difference]: With dead ends: 1293 [2019-11-26 02:41:16,019 INFO L226 Difference]: Without dead ends: 599 [2019-11-26 02:41:16,021 INFO L630 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 [2019-11-26 02:41:16,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-26 02:41:16,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-26 02:41:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-26 02:41:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-26 02:41:16,135 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-26 02:41:16,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:16,135 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-26 02:41:16,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:41:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-26 02:41:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:41:16,139 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:16,139 INFO L410 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] [2019-11-26 02:41:16,139 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:16,140 INFO L82 PathProgramCache]: Analyzing trace with hash -560267086, now seen corresponding path program 1 times [2019-11-26 02:41:16,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:16,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626077883] [2019-11-26 02:41:16,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:16,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626077883] [2019-11-26 02:41:16,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:16,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-26 02:41:16,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706268019] [2019-11-26 02:41:16,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:41:16,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:16,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:41:16,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:41:16,250 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-26 02:41:16,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:16,326 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-26 02:41:16,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:41:16,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-26 02:41:16,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:16,332 INFO L225 Difference]: With dead ends: 599 [2019-11-26 02:41:16,332 INFO L226 Difference]: Without dead ends: 536 [2019-11-26 02:41:16,333 INFO L630 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 [2019-11-26 02:41:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-26 02:41:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-26 02:41:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-26 02:41:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-26 02:41:16,359 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-26 02:41:16,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:16,360 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-26 02:41:16,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:41:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-26 02:41:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 02:41:16,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:16,362 INFO L410 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] [2019-11-26 02:41:16,362 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:16,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:16,363 INFO L82 PathProgramCache]: Analyzing trace with hash 356515304, now seen corresponding path program 1 times [2019-11-26 02:41:16,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:16,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864511900] [2019-11-26 02:41:16,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:16,527 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864511900] [2019-11-26 02:41:16,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:16,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-26 02:41:16,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441804882] [2019-11-26 02:41:16,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:41:16,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:16,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:41:16,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:41:16,529 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-26 02:41:16,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:16,604 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-26 02:41:16,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 02:41:16,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-26 02:41:16,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:16,610 INFO L225 Difference]: With dead ends: 401 [2019-11-26 02:41:16,610 INFO L226 Difference]: Without dead ends: 347 [2019-11-26 02:41:16,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:41:16,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-26 02:41:16,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-26 02:41:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-26 02:41:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-26 02:41:16,625 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-26 02:41:16,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:16,626 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-26 02:41:16,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:41:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-26 02:41:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:41:16,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:16,628 INFO L410 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, 1] [2019-11-26 02:41:16,628 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:16,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:16,628 INFO L82 PathProgramCache]: Analyzing trace with hash 529359310, now seen corresponding path program 1 times [2019-11-26 02:41:16,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:16,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682227703] [2019-11-26 02:41:16,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:16,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682227703] [2019-11-26 02:41:16,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:16,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-26 02:41:16,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486368309] [2019-11-26 02:41:16,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:41:16,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:16,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:41:16,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:41:16,807 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-26 02:41:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:16,910 INFO L93 Difference]: Finished difference Result 518 states and 1393 transitions. [2019-11-26 02:41:16,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:41:16,911 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-26 02:41:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:16,913 INFO L225 Difference]: With dead ends: 518 [2019-11-26 02:41:16,913 INFO L226 Difference]: Without dead ends: 275 [2019-11-26 02:41:16,914 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:41:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2019-11-26 02:41:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2019-11-26 02:41:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-26 02:41:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 724 transitions. [2019-11-26 02:41:16,925 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 724 transitions. Word has length 32 [2019-11-26 02:41:16,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:16,926 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 724 transitions. [2019-11-26 02:41:16,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:41:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 724 transitions. [2019-11-26 02:41:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:41:16,927 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:16,927 INFO L410 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, 1] [2019-11-26 02:41:16,928 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:16,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:16,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1167370530, now seen corresponding path program 2 times [2019-11-26 02:41:16,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:41:16,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930160674] [2019-11-26 02:41:16,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:41:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:17,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930160674] [2019-11-26 02:41:17,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:17,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-26 02:41:17,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678783488] [2019-11-26 02:41:17,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:41:17,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:41:17,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:41:17,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:41:17,050 INFO L87 Difference]: Start difference. First operand 275 states and 724 transitions. Second operand 6 states. [2019-11-26 02:41:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:17,179 INFO L93 Difference]: Finished difference Result 221 states and 562 transitions. [2019-11-26 02:41:17,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:41:17,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-26 02:41:17,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:17,180 INFO L225 Difference]: With dead ends: 221 [2019-11-26 02:41:17,180 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:41:17,181 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:41:17,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:41:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:41:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:41:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:41:17,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-26 02:41:17,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:17,182 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:41:17,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:41:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:41:17,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:41:17,185 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-26 02:41:17,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:41:17 BasicIcfg [2019-11-26 02:41:17,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:41:17,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:41:17,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:41:17,188 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:41:17,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:15" (3/4) ... [2019-11-26 02:41:17,194 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:41:17,203 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-26 02:41:17,203 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-26 02:41:17,203 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-26 02:41:17,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:41:17,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:41:17,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:41:17,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_db435483-8383-474e-8d1c-69ecb9bd74f3/bin/utaipan/witness.graphml [2019-11-26 02:41:17,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:41:17,281 INFO L168 Benchmark]: Toolchain (without parser) took 3006.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 939.3 MB in the beginning and 866.1 MB in the end (delta: 73.2 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:17,282 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:17,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:17,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:17,283 INFO L168 Benchmark]: Boogie Preprocessor took 42.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:17,283 INFO L168 Benchmark]: RCFGBuilder took 360.91 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: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:17,284 INFO L168 Benchmark]: TraceAbstraction took 1910.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 866.1 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:17,284 INFO L168 Benchmark]: Witness Printer took 92.21 ms. Allocated memory is still 1.1 GB. Free memory is still 866.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:17,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 360.91 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: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1910.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 866.1 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. * Witness Printer took 92.21 ms. Allocated memory is still 1.1 GB. Free memory is still 866.1 MB. There was no memory consumed. 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 13 procedures, 88 locations, 1 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 222 SDtfs, 265 SDslu, 485 SDs, 0 SdLazy, 68 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 11653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...