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/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test19_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:54:38,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:54:38,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:54:38,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:54:38,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:54:38,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:54:38,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:54:38,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:54:38,422 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:54:38,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:54:38,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:54:38,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:54:38,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:54:38,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:54:38,436 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:54:38,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:54:38,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:54:38,444 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:54:38,449 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:54:38,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:54:38,457 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:54:38,458 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:54:38,463 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:54:38,463 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:54:38,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:54:38,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:54:38,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:54:38,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:54:38,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:54:38,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:54:38,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:54:38,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:54:38,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:54:38,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:54:38,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:54:38,477 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:54:38,477 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 [2018-11-23 12:54:38,508 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:54:38,508 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:54:38,510 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:54:38,510 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:54:38,510 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:54:38,511 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:54:38,512 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:54:38,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:54:38,512 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:54:38,512 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:54:38,512 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:54:38,513 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:54:38,513 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:54:38,513 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:54:38,513 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:54:38,513 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:54:38,514 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:54:38,514 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:54:38,514 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:54:38,514 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:54:38,514 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:54:38,515 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:54:38,515 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:54:38,515 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:54:38,515 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:54:38,515 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:54:38,516 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:54:38,516 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:54:38,516 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:54:38,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:54:38,516 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:54:38,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:54:38,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:54:38,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:54:38,597 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:54:38,598 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:54:38,598 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19_true-unreach-call_true-termination.c [2018-11-23 12:54:38,659 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ca7ee42/fcd92caf0b5e498398609d3b89d98d1c/FLAG5eaf20d0f [2018-11-23 12:54:39,125 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:54:39,126 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19_true-unreach-call_true-termination.c [2018-11-23 12:54:39,133 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ca7ee42/fcd92caf0b5e498398609d3b89d98d1c/FLAG5eaf20d0f [2018-11-23 12:54:39,464 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12ca7ee42/fcd92caf0b5e498398609d3b89d98d1c [2018-11-23 12:54:39,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:54:39,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:54:39,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:39,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:54:39,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:54:39,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359b16e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39, skipping insertion in model container [2018-11-23 12:54:39,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:54:39,522 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:54:39,738 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:39,756 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:54:39,783 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:39,806 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:54:39,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39 WrapperNode [2018-11-23 12:54:39,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:39,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:39,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:54:39,808 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:54:39,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:39,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:54:39,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:54:39,842 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:54:39,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (1/1) ... [2018-11-23 12:54:39,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:54:39,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:54:39,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:54:39,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:54:39,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (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 [2018-11-23 12:54:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 12:54:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 12:54:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:54:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:54:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:54:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:54:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:54:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:54:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:54:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:54:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:54:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:54:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:54:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2018-11-23 12:54:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2018-11-23 12:54:40,606 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:54:40,607 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:54:40,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:40 BoogieIcfgContainer [2018-11-23 12:54:40,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:54:40,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:54:40,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:54:40,612 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:54:40,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:39" (1/3) ... [2018-11-23 12:54:40,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66deb3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:40, skipping insertion in model container [2018-11-23 12:54:40,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:39" (2/3) ... [2018-11-23 12:54:40,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66deb3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:40, skipping insertion in model container [2018-11-23 12:54:40,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:40" (3/3) ... [2018-11-23 12:54:40,616 INFO L112 eAbstractionObserver]: Analyzing ICFG test19_true-unreach-call_true-termination.c [2018-11-23 12:54:40,627 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:54:40,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:54:40,652 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:54:40,688 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:54:40,688 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:54:40,689 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:54:40,689 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:54:40,690 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:54:40,690 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:54:40,690 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:54:40,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:54:40,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:54:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 12:54:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 12:54:40,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:40,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:54:40,720 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:40,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:40,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2018-11-23 12:54:40,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:54:40,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:54:40,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:40,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:40,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:41,281 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2018-11-23 12:54:41,643 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-23 12:54:41,728 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 12:54:41,731 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {21#true} is VALID [2018-11-23 12:54:41,732 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-23 12:54:41,732 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #19#return; {21#true} is VALID [2018-11-23 12:54:41,732 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret7 := main(); {21#true} is VALID [2018-11-23 12:54:41,736 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4);assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;call write~init~int(#t~nondet3, ~#a~0.base, ~#a~0.offset, 4);havoc #t~nondet3;call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4);assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;call write~init~int(#t~nondet4, ~#b~0.base, ~#b~0.offset, 4);havoc #t~nondet4;call ~#pa~1.base, ~#pa~1.offset := #Ultimate.alloc(4);call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#pa~1.base, ~#pa~1.offset, 4);call ~#pb~1.base, ~#pb~1.offset := #Ultimate.alloc(4);call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#pb~1.base, ~#pb~1.offset, 4); {23#(and (not (= |main_~#a~0.base| |main_~#b~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)))} is VALID [2018-11-23 12:54:41,758 INFO L256 TraceCheckUtils]: 6: Hoare triple {23#(and (not (= |main_~#a~0.base| |main_~#b~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)))} call assign(~#pa~1.base, ~#pa~1.offset, ~#pb~1.base, ~#pb~1.offset); {24#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 12:54:41,773 INFO L273 TraceCheckUtils]: 7: Hoare triple {24#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppa.base, ~ppa.offset := #in~ppa.base, #in~ppa.offset;~ppb.base, ~ppb.offset := #in~ppb.base, #in~ppb.offset;call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ppa.base, ~ppa.offset, 4);~pa~0.base, ~pa~0.offset := #t~mem0.base, #t~mem0.offset;havoc #t~mem0.base, #t~mem0.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4);~pb~0.base, ~pb~0.offset := #t~mem1.base, #t~mem1.offset;havoc #t~mem1.base, #t~mem1.offset;call #t~mem2 := read~int(~pb~0.base, ~pb~0.offset, 4);call write~int(#t~mem2, ~pa~0.base, ~pa~0.offset, 4);havoc #t~mem2; {25#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))))} is VALID [2018-11-23 12:54:41,790 INFO L273 TraceCheckUtils]: 8: Hoare triple {25#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))))} assume true; {25#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))))} is VALID [2018-11-23 12:54:41,806 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {25#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))))} {23#(and (not (= |main_~#a~0.base| |main_~#b~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)))} #23#return; {26#(= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))} is VALID [2018-11-23 12:54:41,821 INFO L273 TraceCheckUtils]: 10: Hoare triple {26#(= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))} call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset, 4);call #t~mem6 := read~int(~#b~0.base, ~#b~0.offset, 4); {27#(= |main_#t~mem6| |main_#t~mem5|)} is VALID [2018-11-23 12:54:41,838 INFO L273 TraceCheckUtils]: 11: Hoare triple {27#(= |main_#t~mem6| |main_#t~mem5|)} assume #t~mem5 != #t~mem6;havoc #t~mem6;havoc #t~mem5; {22#false} is VALID [2018-11-23 12:54:41,838 INFO L273 TraceCheckUtils]: 12: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 12:54:41,844 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 12:54:41,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:54:41,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:54:41,853 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-23 12:54:41,857 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:54:41,861 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 12:54:41,949 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:41,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:54:41,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:54:41,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:54:41,963 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2018-11-23 12:54:42,564 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-23 12:54:43,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:43,048 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-23 12:54:43,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:54:43,049 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-23 12:54:43,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:54:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2018-11-23 12:54:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:54:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2018-11-23 12:54:43,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 21 transitions. [2018-11-23 12:54:43,125 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:43,132 INFO L225 Difference]: With dead ends: 22 [2018-11-23 12:54:43,132 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:43,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:54:43,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:43,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:43,158 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:54:43,159 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:43,159 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:43,160 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:43,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:43,160 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:43,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:43,161 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:43,161 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:43,162 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:43,162 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:43,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:43,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:43,163 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:54:43,163 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:54:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:43,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-23 12:54:43,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:43,166 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:43,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:54:43,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:43,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:43,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:43,312 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:43,313 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:43,313 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:43,313 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:43,313 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:54:43,313 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:43,314 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:43,314 INFO L444 ceAbstractionStarter]: At program point L17(lines 11 24) the Hoare annotation is: false [2018-11-23 12:54:43,314 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2018-11-23 12:54:43,314 INFO L444 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (and (not (= |main_~#a~0.base| |main_~#b~0.base|)) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 12:54:43,315 INFO L448 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-11-23 12:54:43,315 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 11 24) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 12:54:43,315 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 11 24) no Hoare annotation was computed. [2018-11-23 12:54:43,315 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 11 24) no Hoare annotation was computed. [2018-11-23 12:54:43,315 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-11-23 12:54:43,316 INFO L448 ceAbstractionStarter]: For program point assignEXIT(lines 5 9) no Hoare annotation was computed. [2018-11-23 12:54:43,316 INFO L444 ceAbstractionStarter]: At program point assignENTRY(lines 5 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 12:54:43,316 INFO L448 ceAbstractionStarter]: For program point assignFINAL(lines 5 9) no Hoare annotation was computed. [2018-11-23 12:54:43,320 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:43,337 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-23 12:54:43,337 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:43,337 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:43,339 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-23 12:54:43,340 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-23 12:54:43,341 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:54:43,341 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:43,341 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-23 12:54:43,341 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2018-11-23 12:54:43,341 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 12:54:43,341 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 12:54:43,341 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:54:43,342 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:43,342 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:43,342 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:54:43,342 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:54:43,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:43 BoogieIcfgContainer [2018-11-23 12:54:43,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:43,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:43,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:43,352 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:43,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:40" (3/4) ... [2018-11-23 12:54:43,358 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:43,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:43,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:43,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assign [2018-11-23 12:54:43,371 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 12:54:43,372 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:54:43,372 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:54:43,429 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test19_true-unreach-call_true-termination.c-witness.graphml [2018-11-23 12:54:43,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:43,431 INFO L168 Benchmark]: Toolchain (without parser) took 3954.40 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 709.4 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -611.4 MB). Peak memory consumption was 97.9 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:43,432 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-23 12:54:43,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.12 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. [2018-11-23 12:54:43,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.33 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. [2018-11-23 12:54:43,437 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 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. [2018-11-23 12:54:43,437 INFO L168 Benchmark]: RCFGBuilder took 735.86 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 709.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -742.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:43,438 INFO L168 Benchmark]: TraceAbstraction took 2739.69 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 120.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:43,440 INFO L168 Benchmark]: Witness Printer took 80.91 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:43,444 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 0.15 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 327.12 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 Procedure Inliner took 34.33 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. * Boogie Preprocessor took 29.71 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 735.86 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 709.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -742.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2739.69 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 120.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. * Witness Printer took 80.91 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 27 SDs, 0 SdLazy, 41 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 66 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 2028 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...