java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test21_false-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 23:46:44,187 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 23:46:44,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 23:46:44,210 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 23:46:44,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 23:46:44,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 23:46:44,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 23:46:44,214 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 23:46:44,216 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 23:46:44,217 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 23:46:44,218 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 23:46:44,218 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 23:46:44,219 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 23:46:44,220 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 23:46:44,221 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 23:46:44,222 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 23:46:44,223 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 23:46:44,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 23:46:44,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 23:46:44,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 23:46:44,231 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 23:46:44,232 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 23:46:44,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 23:46:44,235 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 23:46:44,235 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 23:46:44,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 23:46:44,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 23:46:44,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 23:46:44,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 23:46:44,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 23:46:44,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 23:46:44,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 23:46:44,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 23:46:44,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 23:46:44,250 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 23:46:44,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 23:46:44,251 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 23:46:44,277 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 23:46:44,277 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 23:46:44,278 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 23:46:44,278 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 23:46:44,279 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 23:46:44,279 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 23:46:44,279 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 23:46:44,279 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 23:46:44,280 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 23:46:44,280 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 23:46:44,280 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 23:46:44,280 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 23:46:44,280 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 23:46:44,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 23:46:44,281 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 23:46:44,281 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 23:46:44,281 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 23:46:44,281 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 23:46:44,281 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 23:46:44,282 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 23:46:44,282 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 23:46:44,282 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 23:46:44,282 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 23:46:44,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:46:44,283 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 23:46:44,283 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 23:46:44,283 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 23:46:44,283 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 23:46:44,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 23:46:44,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 23:46:44,284 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 23:46:44,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 23:46:44,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 23:46:44,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 23:46:44,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 23:46:44,347 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 23:46:44,348 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21_false-unreach-call_true-termination.c [2018-11-18 23:46:44,409 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a7d920e/deae6392532d4d708807276361f41238/FLAG961560725 [2018-11-18 23:46:44,814 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 23:46:44,814 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21_false-unreach-call_true-termination.c [2018-11-18 23:46:44,820 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a7d920e/deae6392532d4d708807276361f41238/FLAG961560725 [2018-11-18 23:46:45,189 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a7d920e/deae6392532d4d708807276361f41238 [2018-11-18 23:46:45,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 23:46:45,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 23:46:45,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:45,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 23:46:45,208 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 23:46:45,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1100cadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45, skipping insertion in model container [2018-11-18 23:46:45,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 23:46:45,257 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 23:46:45,525 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:45,539 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 23:46:45,561 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:45,583 INFO L195 MainTranslator]: Completed translation [2018-11-18 23:46:45,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45 WrapperNode [2018-11-18 23:46:45,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:45,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 23:46:45,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 23:46:45,585 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 23:46:45,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... [2018-11-18 23:46:45,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 23:46:45,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 23:46:45,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 23:46:45,631 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 23:46:45,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-18 23:46:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 23:46:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 23:46:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-18 23:46:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2018-11-18 23:46:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2018-11-18 23:46:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 23:46:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 23:46:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 23:46:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2018-11-18 23:46:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-18 23:46:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 23:46:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2018-11-18 23:46:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure check [2018-11-18 23:46:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 23:46:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 23:46:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 23:46:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 23:46:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 23:46:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 23:46:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 23:46:46,375 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 23:46:46,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:46 BoogieIcfgContainer [2018-11-18 23:46:46,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 23:46:46,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 23:46:46,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 23:46:46,380 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 23:46:46,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:46:45" (1/3) ... [2018-11-18 23:46:46,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767ea65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:46, skipping insertion in model container [2018-11-18 23:46:46,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:45" (2/3) ... [2018-11-18 23:46:46,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767ea65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:46, skipping insertion in model container [2018-11-18 23:46:46,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:46" (3/3) ... [2018-11-18 23:46:46,384 INFO L112 eAbstractionObserver]: Analyzing ICFG test21_false-unreach-call_true-termination.c [2018-11-18 23:46:46,393 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 23:46:46,401 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 23:46:46,416 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 23:46:46,452 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 23:46:46,453 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 23:46:46,453 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 23:46:46,453 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 23:46:46,453 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 23:46:46,454 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 23:46:46,454 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 23:46:46,454 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 23:46:46,455 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 23:46:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-18 23:46:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 23:46:46,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:46:46,485 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:46:46,487 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:46:46,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:46:46,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1351082661, now seen corresponding path program 1 times [2018-11-18 23:46:46,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:46:46,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:46:46,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:46,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:46:46,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 23:46:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 23:46:46,791 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 23:46:46,845 WARN L170 areAnnotationChecker]: initENTRY has no Hoare annotation [2018-11-18 23:46:46,846 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-18 23:46:46,846 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 23:46:46,846 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 23:46:46,847 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2018-11-18 23:46:46,847 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2018-11-18 23:46:46,847 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-18 23:46:46,847 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-18 23:46:46,847 WARN L170 areAnnotationChecker]: checkENTRY has no Hoare annotation [2018-11-18 23:46:46,847 WARN L170 areAnnotationChecker]: initFINAL has no Hoare annotation [2018-11-18 23:46:46,848 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:46:46,848 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 23:46:46,848 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 23:46:46,848 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2018-11-18 23:46:46,848 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2018-11-18 23:46:46,848 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2018-11-18 23:46:46,849 WARN L170 areAnnotationChecker]: checkFINAL has no Hoare annotation [2018-11-18 23:46:46,849 WARN L170 areAnnotationChecker]: initEXIT has no Hoare annotation [2018-11-18 23:46:46,849 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 23:46:46,849 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:46:46,850 WARN L170 areAnnotationChecker]: get_dummyFINAL has no Hoare annotation [2018-11-18 23:46:46,850 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2018-11-18 23:46:46,850 WARN L170 areAnnotationChecker]: checkEXIT has no Hoare annotation [2018-11-18 23:46:46,850 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2018-11-18 23:46:46,851 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2018-11-18 23:46:46,851 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2018-11-18 23:46:46,851 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2018-11-18 23:46:46,851 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-18 23:46:46,851 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2018-11-18 23:46:46,851 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2018-11-18 23:46:46,851 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2018-11-18 23:46:46,852 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2018-11-18 23:46:46,853 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2018-11-18 23:46:46,853 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2018-11-18 23:46:46,853 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2018-11-18 23:46:46,854 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2018-11-18 23:46:46,854 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-18 23:46:46,854 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-18 23:46:46,854 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:46:46,854 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 23:46:46,854 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-18 23:46:46,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:46:46 BoogieIcfgContainer [2018-11-18 23:46:46,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 23:46:46,862 INFO L168 Benchmark]: Toolchain (without parser) took 1660.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -729.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 23:46:46,864 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 23:46:46,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:46,866 INFO L168 Benchmark]: Boogie Preprocessor took 45.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 23:46:46,866 INFO L168 Benchmark]: RCFGBuilder took 745.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -765.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:46,867 INFO L168 Benchmark]: TraceAbstraction took 483.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:46,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 381.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 745.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -765.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 483.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 42]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] FCALL struct dummy d1, d2; VAL [\old(d1)=10, \old(d1)=15, \old(d2)=14, \old(d2)=12, d1={2:0}, d2={11:0}] [L32] CALL init() VAL [d1={2:0}, d2={11:0}] [L13] FCALL d1.a = __VERIFIER_nondet_int() [L14] FCALL d1.b = __VERIFIER_nondet_int() [L16] FCALL d2.a = __VERIFIER_nondet_int() [L17] RET, FCALL d2.b = __VERIFIER_nondet_int() [L32] init() VAL [d1={2:0}, d2={11:0}] [L33] CALL, EXPR get_dummy() VAL [d1={2:0}, d2={11:0}] [L22] COND FALSE, EXPR !(__VERIFIER_nondet_bool() ? &d1 : &d2) VAL [__VERIFIER_nondet_bool()=0, __VERIFIER_nondet_bool() ? &d1 : &d2={11:0}, d1={2:0}, d2={11:0}] [L22] RET return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] EXPR get_dummy() VAL [d1={2:0}, d2={11:0}, get_dummy()={11:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L33] CALL, EXPR get_dummy() VAL [d1={2:0}, d2={11:0}] [L22] COND FALSE, EXPR !(__VERIFIER_nondet_bool() ? &d1 : &d2) VAL [__VERIFIER_nondet_bool()=0, __VERIFIER_nondet_bool() ? &d1 : &d2={11:0}, d1={2:0}, d2={11:0}] [L22] RET return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] EXPR get_dummy() VAL [d1={2:0}, d2={11:0}, get_dummy()={11:0}, pd1={11:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L34] COND TRUE pd1 != 0 && pd1 == pd2 VAL [d1={2:0}, d2={11:0}, pd1={11:0}, pd2={11:0}] [L35] CALL, EXPR check(pd1, pd2) VAL [d1={2:0}, d2={11:0}, s1={11:0}, s2={11:0}] [L27] EXPR, FCALL s1->a [L27] EXPR, FCALL s2->b [L27] RET return s1->a == s2->b; [L35] EXPR check(pd1, pd2) VAL [check(pd1, pd2)=0, d1={2:0}, d2={11:0}, pd1={11:0}, pd2={11:0}] [L35] COND TRUE !check(pd1, pd2) [L42] __VERIFIER_error() VAL [d1={2:0}, d2={11:0}, pd1={11:0}, pd2={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...