./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test05_true-unreach-call_true-termination.c --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_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test05_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/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 d041348802bf4718d6612df649aecee20760a6ff ........................................................................................................................................................................................................................................................................................................................................................................................ 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 17:36:22,467 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:36:22,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:36:22,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:36:22,476 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:36:22,476 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:36:22,477 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:36:22,478 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:36:22,478 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:36:22,479 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:36:22,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:36:22,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:36:22,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:36:22,480 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:36:22,481 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:36:22,481 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:36:22,482 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:36:22,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:36:22,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:36:22,484 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:36:22,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:36:22,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:36:22,486 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:36:22,486 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:36:22,486 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:36:22,487 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:36:22,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:36:22,487 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:36:22,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:36:22,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:36:22,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:36:22,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:36:22,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:36:22,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:36:22,489 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:36:22,490 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:36:22,490 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:36:22,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:36:22,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:36:22,497 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:36:22,498 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:36:22,498 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:36:22,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:36:22,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:36:22,499 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:36:22,499 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:36:22,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:36:22,499 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:36:22,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:36:22,499 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:36:22,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:36:22,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:36:22,500 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:36:22,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:36:22,501 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:36:22,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:36:22,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:36:22,501 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:36:22,501 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_3f5b9325-2d61-4f45-ae00-9420771a3011/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 -> d041348802bf4718d6612df649aecee20760a6ff [2018-12-09 17:36:22,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:36:22,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:36:22,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:36:22,527 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:36:22,527 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:36:22,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/test05_true-unreach-call_true-termination.c [2018-12-09 17:36:22,562 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/data/c13959e09/5c198d7f0d314bb08ea69857fcbc8568/FLAGae7a0702c [2018-12-09 17:36:22,991 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:36:22,991 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/sv-benchmarks/c/ldv-regression/test05_true-unreach-call_true-termination.c [2018-12-09 17:36:22,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/data/c13959e09/5c198d7f0d314bb08ea69857fcbc8568/FLAGae7a0702c [2018-12-09 17:36:23,003 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/data/c13959e09/5c198d7f0d314bb08ea69857fcbc8568 [2018-12-09 17:36:23,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:36:23,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:36:23,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:36:23,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:36:23,009 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:36:23,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32475672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23, skipping insertion in model container [2018-12-09 17:36:23,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:36:23,025 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:36:23,112 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:36:23,118 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:36:23,128 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:36:23,137 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:36:23,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23 WrapperNode [2018-12-09 17:36:23,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:36:23,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:36:23,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:36:23,138 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:36:23,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:36:23,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:36:23,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:36:23,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:36:23,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... [2018-12-09 17:36:23,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:36:23,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:36:23,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:36:23,167 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:36:23,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/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 17:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 17:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 17:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:36:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 17:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 17:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-09 17:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-09 17:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 17:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 17:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:36:23,390 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:36:23,390 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 17:36:23,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:36:23 BoogieIcfgContainer [2018-12-09 17:36:23,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:36:23,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:36:23,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:36:23,393 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:36:23,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:36:23" (1/3) ... [2018-12-09 17:36:23,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287a356d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:36:23, skipping insertion in model container [2018-12-09 17:36:23,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:36:23" (2/3) ... [2018-12-09 17:36:23,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287a356d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:36:23, skipping insertion in model container [2018-12-09 17:36:23,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:36:23" (3/3) ... [2018-12-09 17:36:23,394 INFO L112 eAbstractionObserver]: Analyzing ICFG test05_true-unreach-call_true-termination.c [2018-12-09 17:36:23,400 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:36:23,405 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:36:23,413 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:36:23,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:36:23,431 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:36:23,431 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:36:23,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:36:23,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:36:23,431 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:36:23,431 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:36:23,431 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:36:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-12-09 17:36:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 17:36:23,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:36:23,444 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:36:23,445 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:36:23,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:23,448 INFO L82 PathProgramCache]: Analyzing trace with hash -685779266, now seen corresponding path program 1 times [2018-12-09 17:36:23,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:36:23,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:23,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:36:23,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:23,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:36:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:36:23,578 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 17:36:23,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:36:23,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:36:23,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:36:23,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:36:23,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:36:23,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:36:23,591 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 5 states. [2018-12-09 17:36:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:36:23,630 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2018-12-09 17:36:23,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 17:36:23,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-09 17:36:23,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:36:23,637 INFO L225 Difference]: With dead ends: 36 [2018-12-09 17:36:23,637 INFO L226 Difference]: Without dead ends: 21 [2018-12-09 17:36:23,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:36:23,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-09 17:36:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-12-09 17:36:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-09 17:36:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-12-09 17:36:23,660 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2018-12-09 17:36:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:36:23,660 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-12-09 17:36:23,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:36:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-12-09 17:36:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 17:36:23,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:36:23,661 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:36:23,661 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:36:23,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:23,661 INFO L82 PathProgramCache]: Analyzing trace with hash 636648720, now seen corresponding path program 1 times [2018-12-09 17:36:23,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:36:23,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:23,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:36:23,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:23,662 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:36:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:36:23,711 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 17:36:23,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:36:23,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:36:23,712 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:36:23,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:36:23,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:36:23,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:36:23,714 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 5 states. [2018-12-09 17:36:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:36:23,723 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-12-09 17:36:23,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 17:36:23,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-12-09 17:36:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:36:23,724 INFO L225 Difference]: With dead ends: 23 [2018-12-09 17:36:23,724 INFO L226 Difference]: Without dead ends: 21 [2018-12-09 17:36:23,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:36:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-09 17:36:23,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-12-09 17:36:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-09 17:36:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-12-09 17:36:23,727 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 19 [2018-12-09 17:36:23,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:36:23,727 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-12-09 17:36:23,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:36:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-12-09 17:36:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 17:36:23,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:36:23,728 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] [2018-12-09 17:36:23,728 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:36:23,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:23,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1738724303, now seen corresponding path program 1 times [2018-12-09 17:36:23,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:36:23,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:23,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:36:23,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:23,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:36:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:36:23,894 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 17:36:23,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:36:23,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 17:36:23,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:36:23,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:36:23,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:36:23,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:36:23,895 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2018-12-09 17:36:24,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:36:24,020 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-12-09 17:36:24,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 17:36:24,021 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-12-09 17:36:24,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:36:24,021 INFO L225 Difference]: With dead ends: 21 [2018-12-09 17:36:24,021 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:36:24,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-12-09 17:36:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:36:24,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:36:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:36:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:36:24,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-12-09 17:36:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:36:24,022 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:36:24,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:36:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:36:24,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:36:24,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:36:24,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:36:24,054 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:36:24,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:36:24,054 INFO L444 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (and (= f_~a |f_#in~a|) (= f_~p1.offset |f_#in~p1.offset|) (= f_~p2.base |f_#in~p2.base|) (= f_~p1.base |f_#in~p1.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|)) [2018-12-09 17:36:24,054 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2018-12-09 17:36:24,054 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point fEXIT(lines 11 18) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L444 ceAbstractionStarter]: At program point fENTRY(lines 11 18) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point fFINAL(lines 11 18) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point gEXIT(lines 4 9) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point gFINAL(lines 4 9) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L444 ceAbstractionStarter]: At program point gENTRY(lines 4 9) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 17:36:24,055 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L444 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (and (= 4 |main_#t~mem4|) (not (= |main_~#p1~0.base| .cse0)) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#a~0.base| |main_~#p1~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)))) [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-12-09 17:36:24,055 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 20 46) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2018-12-09 17:36:24,055 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 20 46) no Hoare annotation was computed. [2018-12-09 17:36:24,056 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 17:36:24,056 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 20 46) no Hoare annotation was computed. [2018-12-09 17:36:24,056 INFO L444 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2018-12-09 17:36:24,056 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2018-12-09 17:36:24,056 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2018-12-09 17:36:24,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:36:24 BoogieIcfgContainer [2018-12-09 17:36:24,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:36:24,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:36:24,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:36:24,060 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:36:24,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:36:23" (3/4) ... [2018-12-09 17:36:24,062 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:36:24,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:36:24,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2018-12-09 17:36:24,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2018-12-09 17:36:24,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:36:24,070 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-09 17:36:24,070 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 17:36:24,070 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 17:36:24,070 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 17:36:24,097 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f5b9325-2d61-4f45-ae00-9420771a3011/bin-2019/utaipan/witness.graphml [2018-12-09 17:36:24,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:36:24,097 INFO L168 Benchmark]: Toolchain (without parser) took 1091.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 954.4 MB in the beginning and 968.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:24,098 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:36:24,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:24,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:36:24,099 INFO L168 Benchmark]: Boogie Preprocessor took 13.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:24,099 INFO L168 Benchmark]: RCFGBuilder took 223.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:24,100 INFO L168 Benchmark]: TraceAbstraction took 668.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:24,100 INFO L168 Benchmark]: Witness Printer took 37.09 ms. Allocated memory is still 1.1 GB. Free memory was 973.4 MB in the beginning and 968.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:24,102 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.29 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 668.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.09 ms. Allocated memory is still 1.1 GB. Free memory was 973.4 MB in the beginning and 968.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 SDtfs, 10 SDslu, 150 SDs, 0 SdLazy, 99 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 60 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 6277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...