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/test21_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:54:39,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:54:39,229 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:54:39,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:54:39,242 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:54:39,243 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:54:39,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:54:39,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:54:39,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:54:39,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:54:39,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:54:39,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:54:39,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:54:39,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:54:39,258 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:54:39,260 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:54:39,261 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:54:39,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:54:39,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:54:39,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:54:39,277 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:54:39,278 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:54:39,286 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:54:39,286 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:54:39,286 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:54:39,287 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:54:39,290 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:54:39,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:54:39,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:54:39,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:54:39,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:54:39,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:54:39,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:54:39,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:54:39,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:54:39,302 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:54:39,302 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 12:54:39,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:54:39,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:54:39,321 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:54:39,321 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:54:39,322 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:54:39,322 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:54:39,322 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:54:39,323 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:54:39,323 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:54:39,323 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:54:39,323 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:54:39,323 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:54:39,324 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:54:39,325 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:54:39,325 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:54:39,325 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:54:39,325 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:54:39,325 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:54:39,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:54:39,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:54:39,326 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:54:39,326 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:54:39,326 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:54:39,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:54:39,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:54:39,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:54:39,329 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:54:39,329 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:54:39,329 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:54:39,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:54:39,330 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:54:39,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:54:39,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:54:39,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:54:39,427 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:54:39,428 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:54:39,428 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21_true-unreach-call_true-termination.c [2018-11-23 12:54:39,497 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e48ccf1/3e4471bf8d1642e79748ad98c9310797/FLAG31bf1ec0d [2018-11-23 12:54:39,922 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:54:39,922 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21_true-unreach-call_true-termination.c [2018-11-23 12:54:39,928 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e48ccf1/3e4471bf8d1642e79748ad98c9310797/FLAG31bf1ec0d [2018-11-23 12:54:40,299 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e48ccf1/3e4471bf8d1642e79748ad98c9310797 [2018-11-23 12:54:40,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:54:40,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:54:40,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:40,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:54:40,315 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:54:40,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d815ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40, skipping insertion in model container [2018-11-23 12:54:40,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:54:40,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:54:40,621 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:40,634 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:54:40,655 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:40,676 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:54:40,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40 WrapperNode [2018-11-23 12:54:40,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:40,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:40,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:54:40,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:54:40,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:40,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:54:40,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:54:40,708 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:54:40,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (1/1) ... [2018-11-23 12:54:40,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:54:40,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:54:40,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:54:40,743 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:54:40,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (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 12:54:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-23 12:54:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-23 12:54:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:54:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:54:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:54:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure check [2018-11-23 12:54:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2018-11-23 12:54:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:54:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:54:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:54:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:54:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2018-11-23 12:54:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2018-11-23 12:54:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:54:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:54:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:54:41,479 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:54:41,480 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:54:41,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:41 BoogieIcfgContainer [2018-11-23 12:54:41,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:54:41,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:54:41,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:54:41,485 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:54:41,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:40" (1/3) ... [2018-11-23 12:54:41,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455c02f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:41, skipping insertion in model container [2018-11-23 12:54:41,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:40" (2/3) ... [2018-11-23 12:54:41,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455c02f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:41, skipping insertion in model container [2018-11-23 12:54:41,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:41" (3/3) ... [2018-11-23 12:54:41,490 INFO L112 eAbstractionObserver]: Analyzing ICFG test21_true-unreach-call_true-termination.c [2018-11-23 12:54:41,500 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:54:41,508 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:54:41,525 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:54:41,558 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:54:41,559 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:54:41,559 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:54:41,559 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:54:41,560 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:54:41,560 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:54:41,560 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:54:41,560 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:54:41,561 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:54:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-23 12:54:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 12:54:41,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:41,587 INFO L402 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] [2018-11-23 12:54:41,589 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:41,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:41,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1636767817, now seen corresponding path program 1 times [2018-11-23 12:54:41,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:54:41,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:54:41,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:41,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:41,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:42,596 INFO L256 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2018-11-23 12:54:42,600 INFO L273 TraceCheckUtils]: 1: Hoare triple {34#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#d1~0.base, ~#d1~0.offset := #Ultimate.alloc(8);call write~init~int(0, ~#d1~0.base, ~#d1~0.offset, 4);call write~init~int(0, ~#d1~0.base, 4 + ~#d1~0.offset, 4);call ~#d2~0.base, ~#d2~0.offset := #Ultimate.alloc(8);call write~init~int(0, ~#d2~0.base, ~#d2~0.offset, 4);call write~init~int(0, ~#d2~0.base, 4 + ~#d2~0.offset, 4); {34#true} is VALID [2018-11-23 12:54:42,601 INFO L273 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2018-11-23 12:54:42,601 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2018-11-23 12:54:42,602 INFO L256 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret11 := main(); {34#true} is VALID [2018-11-23 12:54:42,602 INFO L256 TraceCheckUtils]: 5: Hoare triple {34#true} call init(); {34#true} is VALID [2018-11-23 12:54:42,602 INFO L273 TraceCheckUtils]: 6: Hoare triple {34#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;call write~int(#t~nondet0, ~#d1~0.base, ~#d1~0.offset, 4);havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;call write~int(#t~nondet1, ~#d1~0.base, 4 + ~#d1~0.offset, 4);havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;call write~int(#t~nondet2, ~#d2~0.base, ~#d2~0.offset, 4);havoc #t~nondet2;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;call write~int(#t~nondet3, ~#d2~0.base, 4 + ~#d2~0.offset, 4);havoc #t~nondet3; {34#true} is VALID [2018-11-23 12:54:42,603 INFO L273 TraceCheckUtils]: 7: Hoare triple {34#true} assume true; {34#true} is VALID [2018-11-23 12:54:42,603 INFO L268 TraceCheckUtils]: 8: Hoare quadruple {34#true} {34#true} #44#return; {34#true} is VALID [2018-11-23 12:54:42,603 INFO L256 TraceCheckUtils]: 9: Hoare triple {34#true} call #t~ret8.base, #t~ret8.offset := get_dummy(); {34#true} is VALID [2018-11-23 12:54:42,604 INFO L273 TraceCheckUtils]: 10: Hoare triple {34#true} assume 0 != #t~nondet4 % 256;#t~ite5.base, #t~ite5.offset := ~#d1~0.base, ~#d1~0.offset; {36#(and (= |get_dummy_#t~ite5.offset| |~#d1~0.offset|) (= |get_dummy_#t~ite5.base| |~#d1~0.base|))} is VALID [2018-11-23 12:54:42,605 INFO L273 TraceCheckUtils]: 11: Hoare triple {36#(and (= |get_dummy_#t~ite5.offset| |~#d1~0.offset|) (= |get_dummy_#t~ite5.base| |~#d1~0.base|))} #res.base, #res.offset := #t~ite5.base, #t~ite5.offset;havoc #t~ite5.base, #t~ite5.offset;havoc #t~nondet4; {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} is VALID [2018-11-23 12:54:42,624 INFO L273 TraceCheckUtils]: 12: Hoare triple {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} assume true; {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} is VALID [2018-11-23 12:54:42,626 INFO L268 TraceCheckUtils]: 13: Hoare quadruple {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} {34#true} #46#return; {38#(and (= |main_#t~ret8.offset| |~#d1~0.offset|) (= |main_#t~ret8.base| |~#d1~0.base|))} is VALID [2018-11-23 12:54:42,626 INFO L273 TraceCheckUtils]: 14: Hoare triple {38#(and (= |main_#t~ret8.offset| |~#d1~0.offset|) (= |main_#t~ret8.base| |~#d1~0.base|))} ~pd1~0.base, ~pd1~0.offset := #t~ret8.base, #t~ret8.offset;havoc #t~ret8.base, #t~ret8.offset; {39#(and (= main_~pd1~0.base |~#d1~0.base|) (= main_~pd1~0.offset |~#d1~0.offset|))} is VALID [2018-11-23 12:54:42,627 INFO L256 TraceCheckUtils]: 15: Hoare triple {39#(and (= main_~pd1~0.base |~#d1~0.base|) (= main_~pd1~0.offset |~#d1~0.offset|))} call #t~ret9.base, #t~ret9.offset := get_dummy(); {34#true} is VALID [2018-11-23 12:54:42,627 INFO L273 TraceCheckUtils]: 16: Hoare triple {34#true} assume 0 != #t~nondet4 % 256;#t~ite5.base, #t~ite5.offset := ~#d1~0.base, ~#d1~0.offset; {36#(and (= |get_dummy_#t~ite5.offset| |~#d1~0.offset|) (= |get_dummy_#t~ite5.base| |~#d1~0.base|))} is VALID [2018-11-23 12:54:42,629 INFO L273 TraceCheckUtils]: 17: Hoare triple {36#(and (= |get_dummy_#t~ite5.offset| |~#d1~0.offset|) (= |get_dummy_#t~ite5.base| |~#d1~0.base|))} #res.base, #res.offset := #t~ite5.base, #t~ite5.offset;havoc #t~ite5.base, #t~ite5.offset;havoc #t~nondet4; {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} is VALID [2018-11-23 12:54:42,648 INFO L273 TraceCheckUtils]: 18: Hoare triple {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} assume true; {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} is VALID [2018-11-23 12:54:42,650 INFO L268 TraceCheckUtils]: 19: Hoare quadruple {37#(and (= |get_dummy_#res.base| |~#d1~0.base|) (= |get_dummy_#res.offset| |~#d1~0.offset|))} {39#(and (= main_~pd1~0.base |~#d1~0.base|) (= main_~pd1~0.offset |~#d1~0.offset|))} #48#return; {40#(and (= main_~pd1~0.offset |main_#t~ret9.offset|) (= main_~pd1~0.base |main_#t~ret9.base|))} is VALID [2018-11-23 12:54:42,668 INFO L273 TraceCheckUtils]: 20: Hoare triple {40#(and (= main_~pd1~0.offset |main_#t~ret9.offset|) (= main_~pd1~0.base |main_#t~ret9.base|))} ~pd2~0.base, ~pd2~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset; {41#(and (= main_~pd1~0.base main_~pd2~0.base) (= main_~pd1~0.offset main_~pd2~0.offset))} is VALID [2018-11-23 12:54:42,683 INFO L273 TraceCheckUtils]: 21: Hoare triple {41#(and (= main_~pd1~0.base main_~pd2~0.base) (= main_~pd1~0.offset main_~pd2~0.offset))} assume (~pd1~0.base != 0 || ~pd1~0.offset != 0) && ~pd1~0.base == ~pd2~0.base && ~pd1~0.offset == ~pd2~0.offset; {41#(and (= main_~pd1~0.base main_~pd2~0.base) (= main_~pd1~0.offset main_~pd2~0.offset))} is VALID [2018-11-23 12:54:42,684 INFO L256 TraceCheckUtils]: 22: Hoare triple {41#(and (= main_~pd1~0.base main_~pd2~0.base) (= main_~pd1~0.offset main_~pd2~0.offset))} call #t~ret10 := check(~pd1~0.base, ~pd1~0.offset, ~pd2~0.base, ~pd2~0.offset); {34#true} is VALID [2018-11-23 12:54:42,693 INFO L273 TraceCheckUtils]: 23: Hoare triple {34#true} ~s1.base, ~s1.offset := #in~s1.base, #in~s1.offset;~s2.base, ~s2.offset := #in~s2.base, #in~s2.offset;call #t~mem6 := read~int(~s1.base, ~s1.offset, 4);call #t~mem7 := read~int(~s2.base, ~s2.offset, 4);#res := (if #t~mem6 == #t~mem7 then 1 else 0);havoc #t~mem7;havoc #t~mem6; {42#(or (not (= |check_#in~s2.offset| |check_#in~s1.offset|)) (not (= |check_#in~s2.base| |check_#in~s1.base|)) (= 1 |check_#res|))} is VALID [2018-11-23 12:54:42,696 INFO L273 TraceCheckUtils]: 24: Hoare triple {42#(or (not (= |check_#in~s2.offset| |check_#in~s1.offset|)) (not (= |check_#in~s2.base| |check_#in~s1.base|)) (= 1 |check_#res|))} assume true; {42#(or (not (= |check_#in~s2.offset| |check_#in~s1.offset|)) (not (= |check_#in~s2.base| |check_#in~s1.base|)) (= 1 |check_#res|))} is VALID [2018-11-23 12:54:42,698 INFO L268 TraceCheckUtils]: 25: Hoare quadruple {42#(or (not (= |check_#in~s2.offset| |check_#in~s1.offset|)) (not (= |check_#in~s2.base| |check_#in~s1.base|)) (= 1 |check_#res|))} {41#(and (= main_~pd1~0.base main_~pd2~0.base) (= main_~pd1~0.offset main_~pd2~0.offset))} #50#return; {43#(= |main_#t~ret10| 1)} is VALID [2018-11-23 12:54:42,704 INFO L273 TraceCheckUtils]: 26: Hoare triple {43#(= |main_#t~ret10| 1)} assume -2147483648 <= #t~ret10 && #t~ret10 <= 2147483647; {43#(= |main_#t~ret10| 1)} is VALID [2018-11-23 12:54:42,704 INFO L273 TraceCheckUtils]: 27: Hoare triple {43#(= |main_#t~ret10| 1)} assume 0 == #t~ret10;havoc #t~ret10; {35#false} is VALID [2018-11-23 12:54:42,705 INFO L273 TraceCheckUtils]: 28: Hoare triple {35#false} assume !false; {35#false} is VALID [2018-11-23 12:54:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:54:42,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:54:42,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 12:54:42,723 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-11-23 12:54:42,726 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:54:42,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-23 12:54:43,062 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:43,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:54:43,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:54:43,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:54:43,074 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 10 states. [2018-11-23 12:54:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:44,724 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2018-11-23 12:54:44,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 12:54:44,724 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-11-23 12:54:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:44,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 12:54:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 65 transitions. [2018-11-23 12:54:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 12:54:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 65 transitions. [2018-11-23 12:54:44,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 65 transitions. [2018-11-23 12:54:44,861 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:44,867 INFO L225 Difference]: With dead ends: 56 [2018-11-23 12:54:44,868 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:44,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-11-23 12:54:44,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:44,897 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:54:44,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:44,898 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:44,898 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:44,899 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:44,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:44,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:44,900 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:44,900 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:44,900 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:44,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:44,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:44,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:44,901 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:54:44,902 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:54:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:44,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-11-23 12:54:44,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:44,904 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:44,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:54:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:44,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:44,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:44,995 INFO L448 ceAbstractionStarter]: For program point initEXIT(lines 11 18) no Hoare annotation was computed. [2018-11-23 12:54:44,996 INFO L451 ceAbstractionStarter]: At program point initENTRY(lines 11 18) the Hoare annotation is: true [2018-11-23 12:54:44,996 INFO L448 ceAbstractionStarter]: For program point initFINAL(lines 11 18) no Hoare annotation was computed. [2018-11-23 12:54:44,996 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:44,996 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:44,997 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:44,997 INFO L448 ceAbstractionStarter]: For program point get_dummyFINAL(lines 20 23) no Hoare annotation was computed. [2018-11-23 12:54:44,997 INFO L451 ceAbstractionStarter]: At program point get_dummyENTRY(lines 20 23) the Hoare annotation is: true [2018-11-23 12:54:44,997 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-11-23 12:54:44,997 INFO L448 ceAbstractionStarter]: For program point get_dummyEXIT(lines 20 23) no Hoare annotation was computed. [2018-11-23 12:54:44,997 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:44,998 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:54:44,998 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:44,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:44,998 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-23 12:54:44,998 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 37) no Hoare annotation was computed. [2018-11-23 12:54:44,998 INFO L451 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: true [2018-11-23 12:54:44,998 INFO L451 ceAbstractionStarter]: At program point L33-1(line 33) the Hoare annotation is: true [2018-11-23 12:54:44,999 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 34 38) no Hoare annotation was computed. [2018-11-23 12:54:44,999 INFO L448 ceAbstractionStarter]: For program point L33-2(line 33) no Hoare annotation was computed. [2018-11-23 12:54:44,999 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 30 44) the Hoare annotation is: true [2018-11-23 12:54:44,999 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 30 44) no Hoare annotation was computed. [2018-11-23 12:54:44,999 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-11-23 12:54:45,000 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 30 44) no Hoare annotation was computed. [2018-11-23 12:54:45,000 INFO L444 ceAbstractionStarter]: At program point L36(lines 31 44) the Hoare annotation is: false [2018-11-23 12:54:45,000 INFO L444 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (and (= main_~pd1~0.base main_~pd2~0.base) (= main_~pd1~0.offset main_~pd2~0.offset)) [2018-11-23 12:54:45,000 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 38) no Hoare annotation was computed. [2018-11-23 12:54:45,000 INFO L448 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-11-23 12:54:45,001 INFO L451 ceAbstractionStarter]: At program point checkENTRY(lines 25 28) the Hoare annotation is: true [2018-11-23 12:54:45,001 INFO L448 ceAbstractionStarter]: For program point checkFINAL(lines 25 28) no Hoare annotation was computed. [2018-11-23 12:54:45,001 INFO L448 ceAbstractionStarter]: For program point checkEXIT(lines 25 28) no Hoare annotation was computed. [2018-11-23 12:54:45,003 WARN L170 areAnnotationChecker]: initFINAL has no Hoare annotation [2018-11-23 12:54:45,003 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:45,003 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2018-11-23 12:54:45,003 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2018-11-23 12:54:45,004 WARN L170 areAnnotationChecker]: checkFINAL has no Hoare annotation [2018-11-23 12:54:45,004 WARN L170 areAnnotationChecker]: initFINAL has no Hoare annotation [2018-11-23 12:54:45,004 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:45,004 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2018-11-23 12:54:45,004 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:45,004 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: checkFINAL has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: initEXIT has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: get_dummyFINAL has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: checkEXIT has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2018-11-23 12:54:45,005 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2018-11-23 12:54:45,006 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:54:45,007 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:45,007 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2018-11-23 12:54:45,007 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-23 12:54:45,007 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:45,007 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:54:45,007 INFO L163 areAnnotationChecker]: CFG has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:54:45,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:45 BoogieIcfgContainer [2018-11-23 12:54:45,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:45,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:45,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:45,014 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:45,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:41" (3/4) ... [2018-11-23 12:54:45,018 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:45,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure init [2018-11-23 12:54:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2018-11-23 12:54:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:45,025 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure check [2018-11-23 12:54:45,031 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-23 12:54:45,031 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:54:45,032 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:54:45,032 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:54:45,086 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test21_true-unreach-call_true-termination.c-witness.graphml [2018-11-23 12:54:45,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:45,088 INFO L168 Benchmark]: Toolchain (without parser) took 4779.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -573.3 MB). Peak memory consumption was 155.9 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:45,091 INFO L168 Benchmark]: CDTParser took 0.21 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 12:54:45,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.83 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 12:54:45,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.74 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 12:54:45,092 INFO L168 Benchmark]: Boogie Preprocessor took 35.06 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 12:54:45,093 INFO L168 Benchmark]: RCFGBuilder took 738.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -772.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:45,094 INFO L168 Benchmark]: TraceAbstraction took 3531.21 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.3 MB). Peak memory consumption was 188.3 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:45,094 INFO L168 Benchmark]: Witness Printer took 73.76 ms. Allocated memory is still 2.3 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:45,098 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 0.21 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 366.83 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 28.74 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 35.06 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 738.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -772.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3531.21 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.3 MB). Peak memory consumption was 188.3 MB. Max. memory is 7.1 GB. * Witness Printer took 73.76 ms. Allocated memory is still 2.3 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: 42]: 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: 31]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. SAFE Result, 3.4s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 16 SDslu, 153 SDs, 0 SdLazy, 127 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 14 PreInvPairs, 16 NumberOfFragments, 17 HoareAnnotationTreeSize, 14 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 3360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...