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/test16_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:54:37,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:54:37,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:54:37,467 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:54:37,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:54:37,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:54:37,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:54:37,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:54:37,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:54:37,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:54:37,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:54:37,476 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:54:37,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:54:37,478 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:54:37,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:54:37,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:54:37,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:54:37,483 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:54:37,485 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:54:37,486 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:54:37,487 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:54:37,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:54:37,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:54:37,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:54:37,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:54:37,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:54:37,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:54:37,495 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:54:37,496 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:54:37,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:54:37,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:54:37,498 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-23 12:54:37,501 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 12:54:37,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:54:37,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:54:37,517 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:54:37,517 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:54:37,518 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:54:37,518 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:54:37,518 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:54:37,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:54:37,519 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:54:37,519 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:54:37,519 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:54:37,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:54:37,520 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:54:37,520 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:54:37,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:54:37,520 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:54:37,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:54:37,520 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:54:37,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:54:37,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:54:37,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:54:37,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:54:37,521 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:54:37,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:54:37,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:54:37,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:54:37,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:54:37,523 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:54:37,523 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:54:37,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:54:37,523 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:54:37,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:54:37,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:54:37,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:54:37,593 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:54:37,594 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:54:37,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test16_true-unreach-call_true-termination.c [2018-11-23 12:54:37,664 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d009c88/421edb43fcb0430daa98c5a8eb5f146c/FLAGd9102a674 [2018-11-23 12:54:38,141 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:54:38,142 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test16_true-unreach-call_true-termination.c [2018-11-23 12:54:38,148 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d009c88/421edb43fcb0430daa98c5a8eb5f146c/FLAGd9102a674 [2018-11-23 12:54:38,470 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d009c88/421edb43fcb0430daa98c5a8eb5f146c [2018-11-23 12:54:38,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:54:38,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:54:38,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:38,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:54:38,488 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:54:38,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c5f6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38, skipping insertion in model container [2018-11-23 12:54:38,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:54:38,533 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:54:38,763 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:38,777 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:54:38,796 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:38,817 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:54:38,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38 WrapperNode [2018-11-23 12:54:38,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:38,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:38,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:54:38,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:54:38,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:38,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:54:38,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:54:38,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:54:38,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (1/1) ... [2018-11-23 12:54:38,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:54:38,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:54:38,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:54:38,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:54:38,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (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 12:54:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:54:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2018-11-23 12:54:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2018-11-23 12:54:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:54:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:54:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:54:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:54:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:54:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:54:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:54:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:54:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:54:39,463 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:54:39,464 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:54:39,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:39 BoogieIcfgContainer [2018-11-23 12:54:39,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:54:39,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:54:39,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:54:39,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:54:39,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:38" (1/3) ... [2018-11-23 12:54:39,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e9e836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:39, skipping insertion in model container [2018-11-23 12:54:39,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:38" (2/3) ... [2018-11-23 12:54:39,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e9e836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:39, skipping insertion in model container [2018-11-23 12:54:39,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:39" (3/3) ... [2018-11-23 12:54:39,473 INFO L112 eAbstractionObserver]: Analyzing ICFG test16_true-unreach-call_true-termination.c [2018-11-23 12:54:39,485 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:54:39,494 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:54:39,513 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:54:39,547 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:54:39,548 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:54:39,548 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:54:39,549 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:54:39,549 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:54:39,549 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:54:39,549 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:54:39,549 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:54:39,550 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:54:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 12:54:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 12:54:39,579 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:39,580 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:54:39,583 INFO L423 AbstractCegarLoop]: === Iteration 1 === [equalErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:39,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:39,590 INFO L82 PathProgramCache]: Analyzing trace with hash 390654600, now seen corresponding path program 1 times [2018-11-23 12:54:39,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:54:39,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:54:39,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:39,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:39,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:40,274 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 12:54:40,283 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 4);call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4);call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4);~pa~0.base, ~pa~0.offset := 0, 0;~pb~0.base, ~pb~0.offset := 0, 0; {23#(not (= |~#a~0.base| |~#b~0.base|))} is VALID [2018-11-23 12:54:40,286 INFO L273 TraceCheckUtils]: 2: Hoare triple {23#(not (= |~#a~0.base| |~#b~0.base|))} assume true; {23#(not (= |~#a~0.base| |~#b~0.base|))} is VALID [2018-11-23 12:54:40,287 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {23#(not (= |~#a~0.base| |~#b~0.base|))} {21#true} #19#return; {23#(not (= |~#a~0.base| |~#b~0.base|))} is VALID [2018-11-23 12:54:40,292 INFO L256 TraceCheckUtils]: 4: Hoare triple {23#(not (= |~#a~0.base| |~#b~0.base|))} call #t~ret3 := main(); {23#(not (= |~#a~0.base| |~#b~0.base|))} is VALID [2018-11-23 12:54:40,296 INFO L273 TraceCheckUtils]: 5: Hoare triple {23#(not (= |~#a~0.base| |~#b~0.base|))} ~pa~0.base, ~pa~0.offset := ~#a~0.base, ~#a~0.offset;~pb~0.base, ~pb~0.offset := ~#b~0.base, ~#b~0.offset;call write~int(0, ~#a~0.base, ~#a~0.offset, 4);call write~int(1, ~#b~0.base, ~#b~0.offset, 4);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; {24#(= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))} is VALID [2018-11-23 12:54:40,301 INFO L256 TraceCheckUtils]: 6: Hoare triple {24#(= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))} call equal(~#a~0.base, ~#a~0.offset, ~#b~0.base, ~#b~0.offset); {25#(= (select (select |#memory_int| |equal_#in~a.base|) |equal_#in~a.offset|) (select (select |#memory_int| |equal_#in~b.base|) |equal_#in~b.offset|))} is VALID [2018-11-23 12:54:40,307 INFO L273 TraceCheckUtils]: 7: Hoare triple {25#(= (select (select |#memory_int| |equal_#in~a.base|) |equal_#in~a.offset|) (select (select |#memory_int| |equal_#in~b.base|) |equal_#in~b.offset|))} ~a.base, ~a.offset := #in~a.base, #in~a.offset;~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem0 := read~int(~a.base, ~a.offset, 4);call #t~mem1 := read~int(~b.base, ~b.offset, 4); {26#(= |equal_#t~mem1| |equal_#t~mem0|)} is VALID [2018-11-23 12:54:40,309 INFO L273 TraceCheckUtils]: 8: Hoare triple {26#(= |equal_#t~mem1| |equal_#t~mem0|)} assume #t~mem0 != #t~mem1;havoc #t~mem1;havoc #t~mem0; {22#false} is VALID [2018-11-23 12:54:40,309 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 12:54:40,312 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 12:54:40,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:54:40,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:54:40,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-11-23 12:54:40,323 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:54:40,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 12:54:40,402 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:40,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:54:40,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:54:40,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:54:40,417 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2018-11-23 12:54:41,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:41,331 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-23 12:54:41,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:54:41,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-11-23 12:54:41,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:54:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 12:54:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:54:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 12:54:41,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 24 transitions. [2018-11-23 12:54:41,671 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:41,679 INFO L225 Difference]: With dead ends: 25 [2018-11-23 12:54:41,680 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:41,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:54:41,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:41,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:41,716 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:54:41,717 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:41,717 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:41,718 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:41,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:41,718 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:41,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:41,719 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:41,719 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:41,720 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:41,720 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:41,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:41,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:41,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:54:41,722 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:54:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:41,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 12:54:41,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:41,725 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:41,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:54:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:41,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:41,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:41,935 INFO L448 ceAbstractionStarter]: For program point equalEXIT(lines 4 12) no Hoare annotation was computed. [2018-11-23 12:54:41,935 INFO L451 ceAbstractionStarter]: At program point equalENTRY(lines 4 12) the Hoare annotation is: true [2018-11-23 12:54:41,935 INFO L448 ceAbstractionStarter]: For program point equalFINAL(lines 4 12) no Hoare annotation was computed. [2018-11-23 12:54:41,936 INFO L444 ceAbstractionStarter]: At program point L6(lines 4 12) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select (select |#memory_int| |equal_#in~b.base|) |equal_#in~b.offset|) (select (select |#memory_int| |equal_#in~a.base|) |equal_#in~a.offset|))) (not (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)))) [2018-11-23 12:54:41,936 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-23 12:54:41,936 INFO L448 ceAbstractionStarter]: For program point equalErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 12:54:41,936 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:41,937 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:41,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:41,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:41,937 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#a~0.base| |~#b~0.base|))) [2018-11-23 12:54:41,937 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:41,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:41,938 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 17 28) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)))) [2018-11-23 12:54:41,938 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 17 28) no Hoare annotation was computed. [2018-11-23 12:54:41,938 INFO L444 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)))) [2018-11-23 12:54:41,938 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-23 12:54:41,939 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 17 28) no Hoare annotation was computed. [2018-11-23 12:54:41,941 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 12:54:41,941 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:41,945 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 12:54:41,945 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 12:54:41,945 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:41,945 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:41,965 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2018-11-23 12:54:41,965 WARN L170 areAnnotationChecker]: equalErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:54:41,966 WARN L170 areAnnotationChecker]: equalFINAL has no Hoare annotation [2018-11-23 12:54:41,966 WARN L170 areAnnotationChecker]: equalFINAL has no Hoare annotation [2018-11-23 12:54:41,966 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:54:41,966 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:41,966 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2018-11-23 12:54:41,966 WARN L170 areAnnotationChecker]: equalEXIT has no Hoare annotation [2018-11-23 12:54:41,967 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:41,967 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:54:41,967 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 12:54:41,975 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,976 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,976 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,976 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,980 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,980 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,980 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,981 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:41,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:41 BoogieIcfgContainer [2018-11-23 12:54:41,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:41,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:41,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:41,984 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:41,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:39" (3/4) ... [2018-11-23 12:54:41,991 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:42,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure equal [2018-11-23 12:54:42,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:42,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:42,007 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 12:54:42,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:54:42,008 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:54:42,083 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test16_true-unreach-call_true-termination.c-witness.graphml [2018-11-23 12:54:42,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:42,085 INFO L168 Benchmark]: Toolchain (without parser) took 3604.33 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -663.2 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:42,086 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 12:54:42,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.69 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 12:54:42,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.07 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 12:54:42,088 INFO L168 Benchmark]: Boogie Preprocessor took 28.31 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 12:54:42,088 INFO L168 Benchmark]: RCFGBuilder took 586.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:42,091 INFO L168 Benchmark]: TraceAbstraction took 2517.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:42,091 INFO L168 Benchmark]: Witness Printer took 99.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:42,095 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 336.69 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 30.07 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 28.31 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 586.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2517.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. * Witness Printer took 99.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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: 4]: Loop Invariant [2018-11-23 12:54:42,104 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:42,105 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:42,105 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:42,105 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:42,106 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:42,107 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:42,107 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:54:42,107 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (a == b || !(unknown-#memory_int-unknown[b][b] == unknown-#memory_int-unknown[a][a])) || !(unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[b][b]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 13 SDslu, 18 SDs, 0 SdLazy, 13 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 101 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 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...