./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe024_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_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe024_tso.oepc_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/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 8454022e837799c63eb994d265217050068eba69 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:37:46,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:37:46,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:37:46,351 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:37:46,351 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:37:46,352 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:37:46,352 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:37:46,353 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:37:46,354 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:37:46,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:37:46,355 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:37:46,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:37:46,355 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:37:46,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:37:46,356 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:37:46,357 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:37:46,357 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:37:46,358 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:37:46,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:37:46,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:37:46,360 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:37:46,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:37:46,362 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:37:46,362 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:37:46,362 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:37:46,363 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:37:46,363 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:37:46,364 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:37:46,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:37:46,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:37:46,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:37:46,365 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:37:46,365 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:37:46,365 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:37:46,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:37:46,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:37:46,366 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:37:46,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:37:46,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:37:46,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:37:46,374 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:37:46,374 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:37:46,375 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:37:46,375 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:37:46,375 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:37:46,375 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:37:46,375 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:37:46,375 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:37:46,375 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:37:46,375 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:37:46,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:37:46,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:37:46,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:37:46,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:37:46,377 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:37:46,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:37:46,378 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:37:46,378 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_d5b02813-c052-4400-90cd-0327a7c678a1/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 -> 8454022e837799c63eb994d265217050068eba69 [2018-12-09 18:37:46,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:37:46,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:37:46,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:37:46,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:37:46,408 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:37:46,408 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe024_tso.oepc_true-unreach-call.i [2018-12-09 18:37:46,449 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/data/a7ef67a3d/d37683761c7f4c758fa6ed107bd5c5b1/FLAGeb2a6d00d [2018-12-09 18:37:46,880 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:37:46,881 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/sv-benchmarks/c/pthread-wmm/safe024_tso.oepc_true-unreach-call.i [2018-12-09 18:37:46,888 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/data/a7ef67a3d/d37683761c7f4c758fa6ed107bd5c5b1/FLAGeb2a6d00d [2018-12-09 18:37:46,906 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/data/a7ef67a3d/d37683761c7f4c758fa6ed107bd5c5b1 [2018-12-09 18:37:46,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:37:46,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:37:46,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:37:46,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:37:46,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:37:46,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:37:46" (1/1) ... [2018-12-09 18:37:46,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5243922c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:46, skipping insertion in model container [2018-12-09 18:37:46,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:37:46" (1/1) ... [2018-12-09 18:37:46,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:37:46,937 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:37:47,098 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:37:47,105 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:37:47,176 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:37:47,227 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:37:47,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47 WrapperNode [2018-12-09 18:37:47,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:37:47,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:37:47,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:37:47,228 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:37:47,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:37:47,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:37:47,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:37:47,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:37:47,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... [2018-12-09 18:37:47,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:37:47,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:37:47,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:37:47,283 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:37:47,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/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 18:37:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:37:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 18:37:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 18:37:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:37:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 18:37:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 18:37:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 18:37:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 18:37:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-09 18:37:47,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-09 18:37:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 18:37:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:37:47,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:37:47,321 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 18:37:47,464 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:37:47,464 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 18:37:47,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:47 BoogieIcfgContainer [2018-12-09 18:37:47,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:37:47,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:37:47,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:37:47,467 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:37:47,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:37:46" (1/3) ... [2018-12-09 18:37:47,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a39400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:37:47, skipping insertion in model container [2018-12-09 18:37:47,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:37:47" (2/3) ... [2018-12-09 18:37:47,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a39400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:37:47, skipping insertion in model container [2018-12-09 18:37:47,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:47" (3/3) ... [2018-12-09 18:37:47,469 INFO L112 eAbstractionObserver]: Analyzing ICFG safe024_tso.oepc_true-unreach-call.i [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,490 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,491 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,492 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,493 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,493 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,493 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,493 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:37:47,499 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 18:37:47,499 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:37:47,504 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:37:47,515 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:37:47,530 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:37:47,530 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:37:47,530 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:37:47,530 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:37:47,530 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:37:47,530 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:37:47,530 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:37:47,530 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:37:47,536 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57places, 54 transitions [2018-12-09 18:37:47,591 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2386 states. [2018-12-09 18:37:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states. [2018-12-09 18:37:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 18:37:47,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:37:47,602 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 18:37:47,603 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:37:47,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:37:47,607 INFO L82 PathProgramCache]: Analyzing trace with hash 552035095, now seen corresponding path program 1 times [2018-12-09 18:37:47,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:37:47,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:47,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:37:47,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:47,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:37:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:47,754 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 18:37:47,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:37:47,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:37:47,755 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:37:47,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:37:47,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:37:47,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:37:47,768 INFO L87 Difference]: Start difference. First operand 2386 states. Second operand 4 states. [2018-12-09 18:37:47,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:37:47,829 INFO L93 Difference]: Finished difference Result 2494 states and 8070 transitions. [2018-12-09 18:37:47,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 18:37:47,831 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-12-09 18:37:47,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:37:47,845 INFO L225 Difference]: With dead ends: 2494 [2018-12-09 18:37:47,845 INFO L226 Difference]: Without dead ends: 1129 [2018-12-09 18:37:47,846 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 18:37:47,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2018-12-09 18:37:47,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2018-12-09 18:37:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2018-12-09 18:37:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 3559 transitions. [2018-12-09 18:37:47,906 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 3559 transitions. Word has length 31 [2018-12-09 18:37:47,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:37:47,907 INFO L480 AbstractCegarLoop]: Abstraction has 1129 states and 3559 transitions. [2018-12-09 18:37:47,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:37:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3559 transitions. [2018-12-09 18:37:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 18:37:47,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:37:47,909 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, 1] [2018-12-09 18:37:47,909 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:37:47,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:37:47,909 INFO L82 PathProgramCache]: Analyzing trace with hash 561207845, now seen corresponding path program 1 times [2018-12-09 18:37:47,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:37:47,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:47,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:37:47,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:47,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:37:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:47,965 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 18:37:47,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:37:47,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 18:37:47,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:37:47,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 18:37:47,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 18:37:47,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 18:37:47,967 INFO L87 Difference]: Start difference. First operand 1129 states and 3559 transitions. Second operand 5 states. [2018-12-09 18:37:48,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:37:48,004 INFO L93 Difference]: Finished difference Result 1169 states and 3553 transitions. [2018-12-09 18:37:48,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:37:48,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-12-09 18:37:48,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:37:48,008 INFO L225 Difference]: With dead ends: 1169 [2018-12-09 18:37:48,008 INFO L226 Difference]: Without dead ends: 1045 [2018-12-09 18:37:48,009 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 18:37:48,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2018-12-09 18:37:48,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2018-12-09 18:37:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2018-12-09 18:37:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 3244 transitions. [2018-12-09 18:37:48,029 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 3244 transitions. Word has length 32 [2018-12-09 18:37:48,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:37:48,029 INFO L480 AbstractCegarLoop]: Abstraction has 1045 states and 3244 transitions. [2018-12-09 18:37:48,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 18:37:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3244 transitions. [2018-12-09 18:37:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 18:37:48,031 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:37:48,031 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, 1, 1] [2018-12-09 18:37:48,031 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:37:48,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:37:48,031 INFO L82 PathProgramCache]: Analyzing trace with hash 225841121, now seen corresponding path program 1 times [2018-12-09 18:37:48,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:37:48,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:37:48,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:37:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:48,086 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 18:37:48,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:37:48,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:37:48,087 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:37:48,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:37:48,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:37:48,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:37:48,088 INFO L87 Difference]: Start difference. First operand 1045 states and 3244 transitions. Second operand 6 states. [2018-12-09 18:37:48,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:37:48,141 INFO L93 Difference]: Finished difference Result 821 states and 2380 transitions. [2018-12-09 18:37:48,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:37:48,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-12-09 18:37:48,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:37:48,145 INFO L225 Difference]: With dead ends: 821 [2018-12-09 18:37:48,145 INFO L226 Difference]: Without dead ends: 709 [2018-12-09 18:37:48,146 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 18:37:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-12-09 18:37:48,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2018-12-09 18:37:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2018-12-09 18:37:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 2068 transitions. [2018-12-09 18:37:48,164 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 2068 transitions. Word has length 33 [2018-12-09 18:37:48,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:37:48,164 INFO L480 AbstractCegarLoop]: Abstraction has 709 states and 2068 transitions. [2018-12-09 18:37:48,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:37:48,164 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2068 transitions. [2018-12-09 18:37:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 18:37:48,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:37:48,166 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, 1, 1, 1] [2018-12-09 18:37:48,166 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:37:48,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:37:48,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1721829239, now seen corresponding path program 1 times [2018-12-09 18:37:48,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:37:48,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:37:48,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,170 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:37:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:48,257 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 18:37:48,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:37:48,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:37:48,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:37:48,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:37:48,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:37:48,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:37:48,258 INFO L87 Difference]: Start difference. First operand 709 states and 2068 transitions. Second operand 7 states. [2018-12-09 18:37:48,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:37:48,323 INFO L93 Difference]: Finished difference Result 1109 states and 3292 transitions. [2018-12-09 18:37:48,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:37:48,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-12-09 18:37:48,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:37:48,326 INFO L225 Difference]: With dead ends: 1109 [2018-12-09 18:37:48,326 INFO L226 Difference]: Without dead ends: 593 [2018-12-09 18:37:48,327 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 18:37:48,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-09 18:37:48,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2018-12-09 18:37:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-12-09 18:37:48,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1756 transitions. [2018-12-09 18:37:48,340 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1756 transitions. Word has length 34 [2018-12-09 18:37:48,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:37:48,340 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 1756 transitions. [2018-12-09 18:37:48,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:37:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1756 transitions. [2018-12-09 18:37:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 18:37:48,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:37:48,342 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, 1, 1, 1] [2018-12-09 18:37:48,342 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:37:48,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:37:48,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1415137353, now seen corresponding path program 2 times [2018-12-09 18:37:48,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:37:48,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:37:48,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:37:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:48,393 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 18:37:48,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:37:48,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:37:48,393 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:37:48,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:37:48,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:37:48,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:37:48,394 INFO L87 Difference]: Start difference. First operand 593 states and 1756 transitions. Second operand 7 states. [2018-12-09 18:37:48,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:37:48,468 INFO L93 Difference]: Finished difference Result 977 states and 2940 transitions. [2018-12-09 18:37:48,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:37:48,468 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-12-09 18:37:48,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:37:48,470 INFO L225 Difference]: With dead ends: 977 [2018-12-09 18:37:48,470 INFO L226 Difference]: Without dead ends: 557 [2018-12-09 18:37:48,470 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 18:37:48,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-12-09 18:37:48,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2018-12-09 18:37:48,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-12-09 18:37:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1672 transitions. [2018-12-09 18:37:48,479 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1672 transitions. Word has length 34 [2018-12-09 18:37:48,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:37:48,479 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 1672 transitions. [2018-12-09 18:37:48,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:37:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1672 transitions. [2018-12-09 18:37:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 18:37:48,480 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:37:48,480 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, 1, 1, 1] [2018-12-09 18:37:48,481 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:37:48,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:37:48,481 INFO L82 PathProgramCache]: Analyzing trace with hash 251572495, now seen corresponding path program 3 times [2018-12-09 18:37:48,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:37:48,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,483 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 18:37:48,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:37:48,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:37:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:48,527 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 18:37:48,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:37:48,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 18:37:48,528 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:37:48,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 18:37:48,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 18:37:48,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:37:48,528 INFO L87 Difference]: Start difference. First operand 557 states and 1672 transitions. Second operand 7 states. [2018-12-09 18:37:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:37:48,571 INFO L93 Difference]: Finished difference Result 429 states and 1256 transitions. [2018-12-09 18:37:48,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:37:48,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-12-09 18:37:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:37:48,571 INFO L225 Difference]: With dead ends: 429 [2018-12-09 18:37:48,572 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:37:48,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:37:48,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:37:48,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:37:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:37:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:37:48,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-12-09 18:37:48,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:37:48,573 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:37:48,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 18:37:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:37:48,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:37:48,575 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 18:37:48,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:37:48 BasicIcfg [2018-12-09 18:37:48,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:37:48,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:37:48,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:37:48,577 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:37:48,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:47" (3/4) ... [2018-12-09 18:37:48,579 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:37:48,584 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-09 18:37:48,584 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-09 18:37:48,584 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-09 18:37:48,587 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 18:37:48,587 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:37:48,613 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5b02813-c052-4400-90cd-0327a7c678a1/bin-2019/utaipan/witness.graphml [2018-12-09 18:37:48,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:37:48,614 INFO L168 Benchmark]: Toolchain (without parser) took 1705.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.1 MB in the beginning and 843.4 MB in the end (delta: 113.7 MB). Peak memory consumption was 243.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:37:48,615 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:37:48,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:37:48,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:37:48,616 INFO L168 Benchmark]: Boogie Preprocessor took 17.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:37:48,616 INFO L168 Benchmark]: RCFGBuilder took 182.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:37:48,616 INFO L168 Benchmark]: TraceAbstraction took 1110.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.4 MB in the end (delta: 227.0 MB). Peak memory consumption was 227.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:37:48,617 INFO L168 Benchmark]: Witness Printer took 36.80 ms. Allocated memory is still 1.2 GB. Free memory was 850.4 MB in the beginning and 843.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:37:48,618 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 182.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1110.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.4 MB in the end (delta: 227.0 MB). Peak memory consumption was 227.0 MB. Max. memory is 11.5 GB. * Witness Printer took 36.80 ms. Allocated memory is still 1.2 GB. Free memory was 850.4 MB in the beginning and 843.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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, 72 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 364 SDtfs, 435 SDslu, 978 SDs, 0 SdLazy, 104 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred 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, 0.2s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 15768 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...