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_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 16:23:50,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 16:23:50,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 16:23:50,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 16:23:50,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 16:23:50,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 16:23:50,556 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 16:23:50,559 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 16:23:50,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 16:23:50,563 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 16:23:50,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 16:23:50,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 16:23:50,566 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 16:23:50,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 16:23:50,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 16:23:50,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 16:23:50,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 16:23:50,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 16:23:50,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 16:23:50,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 16:23:50,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 16:23:50,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 16:23:50,585 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 16:23:50,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 16:23:50,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 16:23:50,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 16:23:50,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 16:23:50,599 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-14 16:23:50,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 16:23:50,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 16:23:50,631 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 16:23:50,631 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 16:23:50,632 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 16:23:50,632 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 16:23:50,632 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 16:23:50,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 16:23:50,634 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 16:23:50,634 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 16:23:50,634 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 16:23:50,634 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 16:23:50,635 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 16:23:50,635 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 16:23:50,635 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 16:23:50,635 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 16:23:50,635 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 16:23:50,635 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 16:23:50,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 16:23:50,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 16:23:50,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 16:23:50,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 16:23:50,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 16:23:50,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 16:23:50,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 16:23:50,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 16:23:50,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 16:23:50,638 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 16:23:50,639 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 16:23:50,639 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 16:23:50,639 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 16:23:50,639 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 16:23:50,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 16:23:50,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 16:23:50,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 16:23:50,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 16:23:50,716 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 16:23:50,717 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i [2018-11-14 16:23:50,772 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fa45b01/5d5b927cbb9c4e8da871b932aad3aa95/FLAG7b6f5ce46 [2018-11-14 16:23:51,261 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 16:23:51,264 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i [2018-11-14 16:23:51,271 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fa45b01/5d5b927cbb9c4e8da871b932aad3aa95/FLAG7b6f5ce46 [2018-11-14 16:23:51,285 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fa45b01/5d5b927cbb9c4e8da871b932aad3aa95 [2018-11-14 16:23:51,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 16:23:51,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 16:23:51,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 16:23:51,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 16:23:51,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 16:23:51,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c85c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51, skipping insertion in model container [2018-11-14 16:23:51,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 16:23:51,346 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 16:23:51,543 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:23:51,558 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 16:23:51,582 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:23:51,603 INFO L195 MainTranslator]: Completed translation [2018-11-14 16:23:51,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51 WrapperNode [2018-11-14 16:23:51,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 16:23:51,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 16:23:51,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 16:23:51,605 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 16:23:51,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (1/1) ... [2018-11-14 16:23:51,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 16:23:51,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 16:23:51,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 16:23:51,656 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 16:23:51,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (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 [2018-11-14 16:23:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 16:23:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 16:23:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 16:23:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 16:23:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 16:23:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 16:23:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-14 16:23:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-11-14 16:23:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-11-14 16:23:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 16:23:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 16:23:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 16:23:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-14 16:23:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-14 16:23:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 16:23:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 16:23:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 16:23:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 16:23:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 16:23:52,387 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 16:23:52,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:52 BoogieIcfgContainer [2018-11-14 16:23:52,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 16:23:52,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 16:23:52,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 16:23:52,393 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 16:23:52,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:23:51" (1/3) ... [2018-11-14 16:23:52,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc67bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:23:52, skipping insertion in model container [2018-11-14 16:23:52,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:51" (2/3) ... [2018-11-14 16:23:52,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc67bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:23:52, skipping insertion in model container [2018-11-14 16:23:52,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:52" (3/3) ... [2018-11-14 16:23:52,397 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_structure_true-unreach-call_true-termination.i [2018-11-14 16:23:52,408 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 16:23:52,417 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 16:23:52,434 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 16:23:52,467 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 16:23:52,468 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 16:23:52,468 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 16:23:52,469 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 16:23:52,469 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 16:23:52,469 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 16:23:52,469 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 16:23:52,470 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 16:23:52,470 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 16:23:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-14 16:23:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-14 16:23:52,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:23:52,496 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:23:52,498 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:23:52,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:23:52,505 INFO L82 PathProgramCache]: Analyzing trace with hash -715594688, now seen corresponding path program 1 times [2018-11-14 16:23:52,511 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:23:52,512 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 16:23:52,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:23:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:23:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:23:52,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:23:53,174 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-14 16:23:53,178 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {21#true} is VALID [2018-11-14 16:23:53,178 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-14 16:23:53,179 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #23#return; {21#true} is VALID [2018-11-14 16:23:53,179 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret5 := main(); {21#true} is VALID [2018-11-14 16:23:53,198 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#im~0.base, ~#im~0.offset := #Ultimate.alloc(4bv32);call write~unchecked~intINTTYPE4(3bv32, ~#im~0.base, ~#im~0.offset, 4bv32);call ~#inner~0.base, ~#inner~0.offset := #Ultimate.alloc(8bv32);call write~unchecked~intINTTYPE4(2bv32, ~#inner~0.base, ~#inner~0.offset, 4bv32);call write~$Pointer$(~#im~0.base, ~#im~0.offset, ~#inner~0.base, ~bvadd32(4bv32, ~#inner~0.offset), 4bv32);call ~#good~0.base, ~#good~0.offset := #Ultimate.alloc(8bv32);call write~unchecked~intINTTYPE4(1bv32, ~#good~0.base, ~#good~0.offset, 4bv32);call write~$Pointer$(~#inner~0.base, ~#inner~0.offset, ~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call #t~mem1.base, #t~mem1.offset := read~$Pointer$(#t~mem0.base, ~bvadd32(4bv32, #t~mem0.offset), 4bv32);call write~intINTTYPE4(4bv32, #t~mem1.base, #t~mem1.offset, 4bv32);havoc #t~mem0.base, #t~mem0.offset;havoc #t~mem1.base, #t~mem1.offset;call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call #t~mem3.base, #t~mem3.offset := read~$Pointer$(#t~mem2.base, ~bvadd32(4bv32, #t~mem2.offset), 4bv32);call #t~mem4 := read~intINTTYPE4(#t~mem3.base, #t~mem3.offset, 4bv32); {41#(= (_ bv4 32) |main_#t~mem4|)} is VALID [2018-11-14 16:23:53,208 INFO L256 TraceCheckUtils]: 6: Hoare triple {41#(= (_ bv4 32) |main_#t~mem4|)} call __VERIFIER_assert((if #t~mem4 == 4bv32 then 1bv32 else 0bv32)); {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:23:53,215 INFO L273 TraceCheckUtils]: 7: Hoare triple {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:23:53,220 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume ~cond == 0bv32; {22#false} is VALID [2018-11-14 16:23:53,220 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-14 16:23:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 16:23:53,223 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:23:53,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:23:53,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 16:23:53,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-14 16:23:53,237 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:23:53,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 16:23:53,298 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:23:53,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 16:23:53,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 16:23:53,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 16:23:53,312 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-14 16:23:53,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:23:53,918 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-14 16:23:53,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 16:23:53,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-14 16:23:53,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:23:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:23:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-14 16:23:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 16:23:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-14 16:23:53,938 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 24 transitions. [2018-11-14 16:23:54,053 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:23:54,059 INFO L225 Difference]: With dead ends: 25 [2018-11-14 16:23:54,059 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 16:23:54,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-14 16:23:54,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 16:23:54,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 16:23:54,090 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:23:54,090 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 16:23:54,091 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 16:23:54,091 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 16:23:54,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:23:54,092 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 16:23:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 16:23:54,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:23:54,093 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:23:54,093 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 16:23:54,093 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 16:23:54,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:23:54,094 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 16:23:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 16:23:54,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:23:54,094 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:23:54,095 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:23:54,096 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:23:54,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 16:23:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 16:23:54,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-14 16:23:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:23:54,099 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 16:23:54,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 16:23:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 16:23:54,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:23:54,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 16:23:54,477 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-14 16:23:54,478 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-14 16:23:54,478 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 16:23:54,478 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 16:23:54,478 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 16:23:54,478 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 16:23:54,479 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 16:23:54,479 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 29 37) the Hoare annotation is: true [2018-11-14 16:23:54,479 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 29 37) no Hoare annotation was computed. [2018-11-14 16:23:54,479 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 29 37) no Hoare annotation was computed. [2018-11-14 16:23:54,479 INFO L421 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (= (_ bv4 32) |main_#t~mem4|) [2018-11-14 16:23:54,480 INFO L425 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-11-14 16:23:54,480 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-14 16:23:54,480 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-14 16:23:54,480 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-14 16:23:54,481 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-14 16:23:54,481 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-14 16:23:54,481 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-14 16:23:54,484 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 16:23:54,499 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 16:23:54,500 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 16:23:54,500 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 16:23:54,500 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-14 16:23:54,500 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 16:23:54,500 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-14 16:23:54,501 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 16:23:54,501 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 16:23:54,501 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-14 16:23:54,501 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-14 16:23:54,501 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-14 16:23:54,501 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-14 16:23:54,502 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 16:23:54,502 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-14 16:23:54,502 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 16:23:54,502 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. [2018-11-14 16:23:54,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:23:54 BoogieIcfgContainer [2018-11-14 16:23:54,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 16:23:54,506 INFO L168 Benchmark]: Toolchain (without parser) took 3210.66 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -655.9 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2018-11-14 16:23:54,509 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-11-14 16:23:54,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.52 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: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2018-11-14 16:23:54,511 INFO L168 Benchmark]: Boogie Preprocessor took 51.10 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. [2018-11-14 16:23:54,511 INFO L168 Benchmark]: RCFGBuilder took 732.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -750.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-14 16:23:54,512 INFO L168 Benchmark]: TraceAbstraction took 2115.77 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2018-11-14 16:23:54,517 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 0.23 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. * CACSL2BoogieTranslator took 306.52 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: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.10 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 732.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -750.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2115.77 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 15 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 9 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...