./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/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 9d0dc24ef32cf3172689031774b58f9792260fe1 .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:46:31,396 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:46:31,397 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:46:31,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:46:31,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:46:31,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:46:31,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:46:31,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:46:31,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:46:31,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:46:31,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:46:31,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:46:31,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:46:31,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:46:31,411 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:46:31,411 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:46:31,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:46:31,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:46:31,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:46:31,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:46:31,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:46:31,417 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:46:31,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:46:31,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:46:31,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:46:31,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:46:31,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:46:31,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:46:31,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:46:31,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:46:31,420 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:46:31,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:46:31,421 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:46:31,421 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:46:31,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:46:31,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:46:31,422 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:46:31,429 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:46:31,429 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:46:31,430 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:46:31,430 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:46:31,430 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:46:31,430 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:46:31,431 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:46:31,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:46:31,431 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:46:31,431 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:46:31,431 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:46:31,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:46:31,431 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:46:31,431 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:46:31,432 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:46:31,432 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:46:31,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:46:31,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:46:31,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:46:31,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:46:31,433 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:46:31,433 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:46:31,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:46:31,433 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_0e846ce6-0442-466c-b0ad-141af0f8234e/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 -> 9d0dc24ef32cf3172689031774b58f9792260fe1 [2018-11-28 11:46:31,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:46:31,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:46:31,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:46:31,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:46:31,469 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:46:31,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i [2018-11-28 11:46:31,515 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/data/fda426d3f/b3dcc0c3a4e44f3c90d408b9cad1b417/FLAGb996d1616 [2018-11-28 11:46:31,851 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:46:31,852 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/sv-benchmarks/c/ldv-regression/test_union_cast-2_true-unreach-call_true-termination.i [2018-11-28 11:46:31,857 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/data/fda426d3f/b3dcc0c3a4e44f3c90d408b9cad1b417/FLAGb996d1616 [2018-11-28 11:46:32,272 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/data/fda426d3f/b3dcc0c3a4e44f3c90d408b9cad1b417 [2018-11-28 11:46:32,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:46:32,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:46:32,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:46:32,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:46:32,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:46:32,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61054ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32, skipping insertion in model container [2018-11-28 11:46:32,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:46:32,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:46:32,397 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:46:32,406 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:46:32,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:46:32,425 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:46:32,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32 WrapperNode [2018-11-28 11:46:32,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:46:32,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:46:32,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:46:32,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:46:32,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:46:32,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:46:32,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:46:32,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:46:32,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... [2018-11-28 11:46:32,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:46:32,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:46:32,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:46:32,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:46:32,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/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 [2018-11-28 11:46:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:46:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:46:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:46:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:46:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:46:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 11:46:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:46:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:46:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:46:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:46:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 11:46:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 11:46:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:46:32,618 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:46:32,618 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 11:46:32,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:46:32 BoogieIcfgContainer [2018-11-28 11:46:32,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:46:32,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:46:32,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:46:32,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:46:32,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:46:32" (1/3) ... [2018-11-28 11:46:32,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed7e016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:46:32, skipping insertion in model container [2018-11-28 11:46:32,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:32" (2/3) ... [2018-11-28 11:46:32,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed7e016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:46:32, skipping insertion in model container [2018-11-28 11:46:32,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:46:32" (3/3) ... [2018-11-28 11:46:32,623 INFO L112 eAbstractionObserver]: Analyzing ICFG test_union_cast-2_true-unreach-call_true-termination.i [2018-11-28 11:46:32,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:46:32,633 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:46:32,646 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:46:32,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:46:32,671 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:46:32,672 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:46:32,672 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:46:32,672 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:46:32,672 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:46:32,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:46:32,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:46:32,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:46:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-28 11:46:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 11:46:32,689 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:46:32,689 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:46:32,691 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:46:32,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:46:32,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1891520061, now seen corresponding path program 1 times [2018-11-28 11:46:32,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:46:32,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:46:32,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:46:32,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:46:32,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:46:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:46:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:46:32,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:46:32,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:46:32,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:46:32,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:46:32,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:46:32,855 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-28 11:46:32,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:46:32,895 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-28 11:46:32,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:46:32,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-28 11:46:32,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:46:32,900 INFO L225 Difference]: With dead ends: 25 [2018-11-28 11:46:32,900 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:46:32,902 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 [2018-11-28 11:46:32,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:46:32,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:46:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:46:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:46:32,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-28 11:46:32,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:46:32,918 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:46:32,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:46:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:46:32,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:46:32,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:46:32,940 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:46:32,941 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:46:32,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:46:32,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:46:32,941 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 11:46:32,941 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:46:32,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:46:32,941 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 32 45) the Hoare annotation is: true [2018-11-28 11:46:32,941 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 32 45) no Hoare annotation was computed. [2018-11-28 11:46:32,942 INFO L444 ceAbstractionStarter]: At program point L42(line 42) the Hoare annotation is: (= |main_#t~mem0| 10) [2018-11-28 11:46:32,942 INFO L448 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-11-28 11:46:32,942 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 32 45) no Hoare annotation was computed. [2018-11-28 11:46:32,942 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-28 11:46:32,942 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-28 11:46:32,942 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-28 11:46:32,942 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-28 11:46:32,942 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-28 11:46:32,942 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-28 11:46:32,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:46:32 BoogieIcfgContainer [2018-11-28 11:46:32,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:46:32,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:46:32,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:46:32,945 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:46:32,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:46:32" (3/4) ... [2018-11-28 11:46:32,947 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:46:32,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:46:32,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:46:32,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 11:46:32,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-28 11:46:32,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:46:32,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:46:32,982 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0e846ce6-0442-466c-b0ad-141af0f8234e/bin-2019/uautomizer/witness.graphml [2018-11-28 11:46:32,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:46:32,983 INFO L168 Benchmark]: Toolchain (without parser) took 709.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -122.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:46:32,984 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-28 11:46:32,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.74 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:46:32,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.11 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. [2018-11-28 11:46:32,985 INFO L168 Benchmark]: Boogie Preprocessor took 13.81 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. [2018-11-28 11:46:32,985 INFO L168 Benchmark]: RCFGBuilder took 162.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:46:32,986 INFO L168 Benchmark]: TraceAbstraction took 325.06 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:46:32,986 INFO L168 Benchmark]: Witness Printer took 38.04 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:46:32,989 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.74 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 16.11 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 13.81 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 162.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 325.06 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 38.04 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: 2.7 MB). Peak memory consumption was 2.7 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, 0.2s 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...