java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test01_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 23:46:50,139 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 23:46:50,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 23:46:50,162 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 23:46:50,162 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 23:46:50,164 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 23:46:50,166 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 23:46:50,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 23:46:50,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 23:46:50,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 23:46:50,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 23:46:50,176 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 23:46:50,177 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 23:46:50,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 23:46:50,179 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 23:46:50,180 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 23:46:50,181 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 23:46:50,185 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 23:46:50,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 23:46:50,194 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 23:46:50,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 23:46:50,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 23:46:50,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 23:46:50,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 23:46:50,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 23:46:50,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 23:46:50,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 23:46:50,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 23:46:50,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 23:46:50,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 23:46:50,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 23:46:50,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-18 23:46:50,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 23:46:50,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 23:46:50,249 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 23:46:50,250 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 23:46:50,250 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 23:46:50,251 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 23:46:50,252 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 23:46:50,252 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 23:46:50,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 23:46:50,252 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 23:46:50,253 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 23:46:50,253 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 23:46:50,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 23:46:50,253 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 23:46:50,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 23:46:50,253 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 23:46:50,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 23:46:50,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 23:46:50,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 23:46:50,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 23:46:50,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 23:46:50,257 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 23:46:50,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 23:46:50,257 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 23:46:50,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:46:50,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 23:46:50,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 23:46:50,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 23:46:50,258 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 23:46:50,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 23:46:50,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 23:46:50,259 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 23:46:50,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 23:46:50,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 23:46:50,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 23:46:50,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 23:46:50,350 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 23:46:50,351 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test01_true-unreach-call_true-termination.c [2018-11-18 23:46:50,415 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3e09157/15a5bd991d70406d827a5d3318aa83ab/FLAGa4f559a34 [2018-11-18 23:46:50,922 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 23:46:50,922 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test01_true-unreach-call_true-termination.c [2018-11-18 23:46:50,930 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3e09157/15a5bd991d70406d827a5d3318aa83ab/FLAGa4f559a34 [2018-11-18 23:46:51,277 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3e09157/15a5bd991d70406d827a5d3318aa83ab [2018-11-18 23:46:51,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 23:46:51,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 23:46:51,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:51,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 23:46:51,294 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 23:46:51,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595e579a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51, skipping insertion in model container [2018-11-18 23:46:51,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 23:46:51,336 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 23:46:51,542 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:51,548 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 23:46:51,567 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:51,589 INFO L195 MainTranslator]: Completed translation [2018-11-18 23:46:51,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51 WrapperNode [2018-11-18 23:46:51,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:51,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 23:46:51,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 23:46:51,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 23:46:51,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... [2018-11-18 23:46:51,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 23:46:51,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 23:46:51,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 23:46:51,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 23:46:51,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:46:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 23:46:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 23:46:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 23:46:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 23:46:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 23:46:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 23:46:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 23:46:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 23:46:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 23:46:52,264 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 23:46:52,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:52 BoogieIcfgContainer [2018-11-18 23:46:52,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 23:46:52,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 23:46:52,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 23:46:52,270 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 23:46:52,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:46:51" (1/3) ... [2018-11-18 23:46:52,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d6218d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:52, skipping insertion in model container [2018-11-18 23:46:52,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:51" (2/3) ... [2018-11-18 23:46:52,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d6218d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:52, skipping insertion in model container [2018-11-18 23:46:52,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:52" (3/3) ... [2018-11-18 23:46:52,274 INFO L112 eAbstractionObserver]: Analyzing ICFG test01_true-unreach-call_true-termination.c [2018-11-18 23:46:52,285 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 23:46:52,295 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 23:46:52,312 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 23:46:52,342 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 23:46:52,342 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 23:46:52,343 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 23:46:52,343 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 23:46:52,343 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 23:46:52,343 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 23:46:52,344 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 23:46:52,344 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 23:46:52,344 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 23:46:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-18 23:46:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 23:46:52,369 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:46:52,370 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:46:52,372 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:46:52,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:46:52,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1160017433, now seen corresponding path program 1 times [2018-11-18 23:46:52,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:46:52,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:46:52,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:52,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:46:52,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:46:52,606 INFO L256 TraceCheckUtils]: 0: Hoare triple {16#true} call ULTIMATE.init(); {16#true} is VALID [2018-11-18 23:46:52,609 INFO L273 TraceCheckUtils]: 1: Hoare triple {16#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {16#true} is VALID [2018-11-18 23:46:52,610 INFO L273 TraceCheckUtils]: 2: Hoare triple {16#true} assume true; {16#true} is VALID [2018-11-18 23:46:52,611 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16#true} {16#true} #15#return; {16#true} is VALID [2018-11-18 23:46:52,611 INFO L256 TraceCheckUtils]: 4: Hoare triple {16#true} call #t~ret0 := main(); {16#true} is VALID [2018-11-18 23:46:52,614 INFO L273 TraceCheckUtils]: 5: Hoare triple {16#true} call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4);call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4);~p1~0.base, ~p1~0.offset := ~#a~0.base, ~#a~0.offset;~p2~0.base, ~p2~0.offset := ~#b~0.base, ~#b~0.offset; {18#(not (= main_~p1~0.base main_~p2~0.base))} is VALID [2018-11-18 23:46:52,622 INFO L273 TraceCheckUtils]: 6: Hoare triple {18#(not (= main_~p1~0.base main_~p2~0.base))} assume ~p1~0.base == ~p2~0.base && ~p1~0.offset == ~p2~0.offset; {17#false} is VALID [2018-11-18 23:46:52,622 INFO L273 TraceCheckUtils]: 7: Hoare triple {17#false} assume !false; {17#false} is VALID [2018-11-18 23:46:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:46:52,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:46:52,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 23:46:52,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 23:46:52,638 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:46:52,642 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 23:46:52,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:52,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 23:46:52,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 23:46:52,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 23:46:52,703 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2018-11-18 23:46:52,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:52,852 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-11-18 23:46:52,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 23:46:52,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 23:46:52,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:46:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:46:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2018-11-18 23:46:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:46:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2018-11-18 23:46:52,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 16 transitions. [2018-11-18 23:46:52,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:52,965 INFO L225 Difference]: With dead ends: 17 [2018-11-18 23:46:52,966 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 23:46:52,969 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 23:46:52,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 23:46:52,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 23:46:52,996 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:46:52,996 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:52,997 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:52,997 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:52,998 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 23:46:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:46:52,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:52,999 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:52,999 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:52,999 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:52,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:52,999 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 23:46:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:46:53,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:53,000 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:53,000 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:46:53,000 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:46:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 23:46:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 23:46:53,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-11-18 23:46:53,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:46:53,003 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 23:46:53,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 23:46:53,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:46:53,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:53,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 23:46:53,099 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 23:46:53,099 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 23:46:53,100 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 23:46:53,100 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 23:46:53,100 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 23:46:53,100 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 23:46:53,100 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 23:46:53,100 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 4 17) the Hoare annotation is: true [2018-11-18 23:46:53,100 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 4 17) no Hoare annotation was computed. [2018-11-18 23:46:53,106 INFO L421 ceAbstractionStarter]: At program point L10(lines 4 17) the Hoare annotation is: false [2018-11-18 23:46:53,106 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2018-11-18 23:46:53,106 INFO L425 ceAbstractionStarter]: For program point L9(lines 9 11) no Hoare annotation was computed. [2018-11-18 23:46:53,107 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 4 17) no Hoare annotation was computed. [2018-11-18 23:46:53,109 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:46:53,110 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-18 23:46:53,110 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:46:53,110 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:46:53,110 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-18 23:46:53,110 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-18 23:46:53,110 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 23:46:53,110 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:46:53,112 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-18 23:46:53,112 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:46:53,112 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:46:53,112 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 23:46:53,112 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-18 23:46:53,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:46:53 BoogieIcfgContainer [2018-11-18 23:46:53,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 23:46:53,120 INFO L168 Benchmark]: Toolchain (without parser) took 1831.93 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -715.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:53,122 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 23:46:53,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.33 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:53,124 INFO L168 Benchmark]: Boogie Preprocessor took 38.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 23:46:53,124 INFO L168 Benchmark]: RCFGBuilder took 636.02 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -769.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:53,125 INFO L168 Benchmark]: TraceAbstraction took 851.99 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:53,129 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 0.26 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 300.33 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 636.02 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 716.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -769.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 851.99 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: 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 Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 2 SDslu, 7 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 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...