./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_union_cast-1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_union_cast-1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20ba88b165c7eae2bdbfa30c2c3cde75aa5705d7 ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:59:57,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:59:57,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:59:57,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:59:57,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:59:57,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:59:57,250 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:59:57,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:59:57,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:59:57,254 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:59:57,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:59:57,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:59:57,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:59:57,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:59:57,258 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:59:57,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:59:57,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:59:57,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:59:57,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:59:57,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:59:57,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:59:57,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:59:57,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:59:57,268 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:59:57,268 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:59:57,269 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:59:57,270 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:59:57,271 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:59:57,271 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:59:57,273 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:59:57,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:59:57,273 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:59:57,274 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:59:57,274 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:59:57,275 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:59:57,275 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:59:57,276 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 04:59:57,289 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:59:57,289 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:59:57,290 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:59:57,290 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:59:57,290 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:59:57,291 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:59:57,291 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:59:57,291 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:59:57,291 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:59:57,291 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:59:57,291 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:59:57,292 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:59:57,292 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:59:57,292 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:59:57,292 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:59:57,292 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:59:57,292 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:59:57,293 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:59:57,293 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:59:57,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:59:57,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:59:57,293 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:59:57,293 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:59:57,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:59:57,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:59:57,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:59:57,294 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:59:57,294 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 04:59:57,294 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:59:57,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:59:57,295 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer 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 -> Automizer 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 -> 20ba88b165c7eae2bdbfa30c2c3cde75aa5705d7 [2018-11-23 04:59:57,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:59:57,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:59:57,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:59:57,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:59:57,334 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:59:57,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test_union_cast-1_true-unreach-call_true-termination.i [2018-11-23 04:59:57,379 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/data/094470d4d/99a0058dbd8749d99b313846b565a5e6/FLAG6c6a5bd14 [2018-11-23 04:59:57,733 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:59:57,734 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/sv-benchmarks/c/ldv-regression/test_union_cast-1_true-unreach-call_true-termination.i [2018-11-23 04:59:57,741 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/data/094470d4d/99a0058dbd8749d99b313846b565a5e6/FLAG6c6a5bd14 [2018-11-23 04:59:58,154 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/data/094470d4d/99a0058dbd8749d99b313846b565a5e6 [2018-11-23 04:59:58,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:59:58,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:59:58,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:59:58,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:59:58,162 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:59:58,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45abf0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58, skipping insertion in model container [2018-11-23 04:59:58,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:59:58,187 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:59:58,318 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:59:58,320 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:59:58,333 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:59:58,352 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:59:58,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58 WrapperNode [2018-11-23 04:59:58,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:59:58,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:59:58,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:59:58,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:59:58,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:59:58,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:59:58,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:59:58,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:59:58,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... [2018-11-23 04:59:58,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:59:58,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:59:58,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:59:58,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:59:58,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/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 [2018-11-23 04:59:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:59:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:59:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 04:59:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:59:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:59:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 04:59:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:59:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:59:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:59:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 04:59:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 04:59:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 04:59:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:59:58,624 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:59:58,624 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 04:59:58,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:59:58 BoogieIcfgContainer [2018-11-23 04:59:58,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:59:58,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:59:58,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:59:58,629 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:59:58,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:59:58" (1/3) ... [2018-11-23 04:59:58,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775abc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:59:58, skipping insertion in model container [2018-11-23 04:59:58,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:59:58" (2/3) ... [2018-11-23 04:59:58,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775abc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:59:58, skipping insertion in model container [2018-11-23 04:59:58,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:59:58" (3/3) ... [2018-11-23 04:59:58,633 INFO L112 eAbstractionObserver]: Analyzing ICFG test_union_cast-1_true-unreach-call_true-termination.i [2018-11-23 04:59:58,644 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:59:58,652 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:59:58,669 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:59:58,698 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:59:58,699 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:59:58,699 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:59:58,699 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:59:58,699 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:59:58,700 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:59:58,700 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:59:58,700 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:59:58,700 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:59:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 04:59:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 04:59:58,723 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:59:58,724 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:59:58,726 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:59:58,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:58,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1891520061, now seen corresponding path program 1 times [2018-11-23 04:59:58,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:59:58,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:59:58,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:58,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:58,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:59:58,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:59:58,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:59:58,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:59:58,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:59:58,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:59:58,920 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-23 04:59:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:58,969 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-23 04:59:58,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 04:59:58,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 04:59:58,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:58,975 INFO L225 Difference]: With dead ends: 25 [2018-11-23 04:59:58,976 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:59:58,978 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 [2018-11-23 04:59:58,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:59:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:59:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:59:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:59:58,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 04:59:58,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:58,998 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:59:58,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:59:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:59:58,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:59:59,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:59:59,032 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:59:59,033 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:59:59,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:59:59,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:59:59,033 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 04:59:59,033 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:59:59,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:59:59,034 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 32 45) the Hoare annotation is: true [2018-11-23 04:59:59,034 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 32 45) no Hoare annotation was computed. [2018-11-23 04:59:59,034 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 32 45) no Hoare annotation was computed. [2018-11-23 04:59:59,034 INFO L444 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: (= |main_#t~mem0| 10) [2018-11-23 04:59:59,034 INFO L448 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-11-23 04:59:59,034 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 04:59:59,034 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 04:59:59,034 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 04:59:59,035 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 04:59:59,035 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 04:59:59,035 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 04:59:59,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:59:59 BoogieIcfgContainer [2018-11-23 04:59:59,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:59:59,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:59:59,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:59:59,042 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:59:59,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:59:58" (3/4) ... [2018-11-23 04:59:59,046 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:59:59,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:59:59,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:59:59,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 04:59:59,058 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 04:59:59,058 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 04:59:59,058 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:59:59,089 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_181843d7-88a5-4196-8e3b-3ce7da1ba71d/bin-2019/uautomizer/witness.graphml [2018-11-23 04:59:59,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:59:59,090 INFO L168 Benchmark]: Toolchain (without parser) took 933.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:59,091 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:59:59,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.07 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:59,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.88 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:59,092 INFO L168 Benchmark]: Boogie Preprocessor took 60.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.6 MB in the beginning and 1.2 GB in the end (delta: -206.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:59,093 INFO L168 Benchmark]: RCFGBuilder took 188.96 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:59,093 INFO L168 Benchmark]: TraceAbstraction took 415.90 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: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:59,094 INFO L168 Benchmark]: Witness Printer took 47.92 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:59,097 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.07 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.88 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.6 MB in the beginning and 1.2 GB in the end (delta: -206.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.96 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 415.90 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: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.92 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...