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/test_union_cast_true-termination.c_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:22:55,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:22:55,777 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:22:55,791 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:22:55,792 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:22:55,793 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:22:55,794 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:22:55,796 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:22:55,798 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:22:55,799 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:22:55,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:22:55,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:22:55,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:22:55,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:22:55,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:22:55,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:22:55,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:22:55,807 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:22:55,809 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:22:55,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:22:55,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:22:55,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:22:55,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 17:22:55,825 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 [2018-11-14 17:22:55,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:22:55,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:22:55,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:22:55,851 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:22:55,852 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:22:55,852 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:22:55,852 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:22:55,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:22:55,853 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:22:55,854 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 17:22:55,854 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:22:55,854 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:22:55,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:22:55,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:22:55,855 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:22:55,855 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:22:55,855 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:22:55,855 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:22:55,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:22:55,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:22:55,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:22:55,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:22:55,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:22:55,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:22:55,858 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:22:55,858 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:22:55,858 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 17:22:55,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:22:55,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 17:22:55,859 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:22:55,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:22:55,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:22:55,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:22:55,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:22:55,938 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:22:55,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast_true-termination.c_true-unreach-call.i [2018-11-14 17:22:56,010 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62936e6b5/d9be9375b9714eb088d2623271656860/FLAG01480235e [2018-11-14 17:22:56,462 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:22:56,463 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast_true-termination.c_true-unreach-call.i [2018-11-14 17:22:56,469 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62936e6b5/d9be9375b9714eb088d2623271656860/FLAG01480235e [2018-11-14 17:22:56,483 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62936e6b5/d9be9375b9714eb088d2623271656860 [2018-11-14 17:22:56,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:22:56,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:22:56,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:22:56,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:22:56,503 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:22:56,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357c6e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56, skipping insertion in model container [2018-11-14 17:22:56,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:22:56,542 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:22:56,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:22:56,776 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:22:56,798 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:22:56,819 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:22:56,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56 WrapperNode [2018-11-14 17:22:56,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:22:56,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:22:56,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:22:56,820 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:22:56,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (1/1) ... [2018-11-14 17:22:56,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:22:56,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:22:56,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:22:56,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:22:56,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (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 17:22:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:22:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:22:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-14 17:22:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:22:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:22:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-14 17:22:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:22:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 17:22:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-14 17:22:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-14 17:22:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-14 17:22:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 17:22:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:22:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:22:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-14 17:22:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-14 17:22:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-14 17:22:57,389 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:22:57,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:22:57 BoogieIcfgContainer [2018-11-14 17:22:57,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:22:57,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:22:57,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:22:57,395 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:22:57,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:22:56" (1/3) ... [2018-11-14 17:22:57,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707f20d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:22:57, skipping insertion in model container [2018-11-14 17:22:57,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:22:56" (2/3) ... [2018-11-14 17:22:57,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707f20d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:22:57, skipping insertion in model container [2018-11-14 17:22:57,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:22:57" (3/3) ... [2018-11-14 17:22:57,399 INFO L112 eAbstractionObserver]: Analyzing ICFG test_union_cast_true-termination.c_true-unreach-call.i [2018-11-14 17:22:57,409 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:22:57,416 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:22:57,434 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:22:57,467 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:22:57,468 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:22:57,468 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:22:57,468 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:22:57,468 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:22:57,468 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:22:57,469 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:22:57,469 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:22:57,469 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:22:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-14 17:22:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-14 17:22:57,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:22:57,495 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:22:57,497 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:22:57,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:22:57,505 INFO L82 PathProgramCache]: Analyzing trace with hash -642389624, now seen corresponding path program 1 times [2018-11-14 17:22:57,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:22:57,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:22:57,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:22:57,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:22:57,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:22:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:22:57,803 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-14 17:22:57,808 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {20#true} is VALID [2018-11-14 17:22:57,809 INFO L273 TraceCheckUtils]: 2: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-14 17:22:57,809 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20#true} {20#true} #21#return; {20#true} is VALID [2018-11-14 17:22:57,810 INFO L256 TraceCheckUtils]: 4: Hoare triple {20#true} call #t~ret1 := main(); {20#true} is VALID [2018-11-14 17:22:57,818 INFO L273 TraceCheckUtils]: 5: Hoare triple {20#true} call ~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset := #Ultimate.alloc(8);call write~real(20.0, ~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset + 0, 8);call write~int(10, ~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset + 0, 4);call #t~mem0 := read~int(~#llvm_cbe_var~0.base, ~#llvm_cbe_var~0.offset + 0, 4); {22#(= |main_#t~mem0| 10)} is VALID [2018-11-14 17:22:57,823 INFO L273 TraceCheckUtils]: 6: Hoare triple {22#(= |main_#t~mem0| 10)} assume !(#t~mem0 % 4294967296 == 10); {21#false} is VALID [2018-11-14 17:22:57,823 INFO L256 TraceCheckUtils]: 7: Hoare triple {21#false} call __blast_assert(); {21#false} is VALID [2018-11-14 17:22:57,824 INFO L273 TraceCheckUtils]: 8: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-14 17:22:57,827 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 17:22:57,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:22:57,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 17:22:57,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-14 17:22:57,838 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:22:57,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 17:22:57,890 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:22:57,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 17:22:57,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 17:22:57,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 17:22:57,901 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-11-14 17:22:58,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:22:58,253 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-14 17:22:58,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 17:22:58,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-14 17:22:58,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:22:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 17:22:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-14 17:22:58,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 17:22:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-14 17:22:58,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 21 transitions. [2018-11-14 17:22:58,417 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:22:58,423 INFO L225 Difference]: With dead ends: 22 [2018-11-14 17:22:58,423 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 17:22:58,426 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 [2018-11-14 17:22:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 17:22:58,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 17:22:58,447 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:22:58,447 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 17:22:58,448 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:22:58,448 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:22:58,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:22:58,449 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:22:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:22:58,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:22:58,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:22:58,450 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:22:58,450 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:22:58,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:22:58,450 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:22:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:22:58,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:22:58,450 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:22:58,451 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:22:58,451 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:22:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 17:22:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 17:22:58,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-14 17:22:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:22:58,453 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 17:22:58,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 17:22:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:22:58,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:22:58,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 17:22:58,648 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-14 17:22:58,649 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-14 17:22:58,649 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:22:58,649 INFO L425 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2018-11-14 17:22:58,649 INFO L425 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-14 17:22:58,649 INFO L425 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2018-11-14 17:22:58,649 INFO L428 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2018-11-14 17:22:58,650 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:22:58,650 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 17:22:58,650 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 17:22:58,650 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 17:22:58,650 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 19 32) the Hoare annotation is: true [2018-11-14 17:22:58,650 INFO L425 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-11-14 17:22:58,651 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 19 32) no Hoare annotation was computed. [2018-11-14 17:22:58,651 INFO L421 ceAbstractionStarter]: At program point L29-2(line 29) the Hoare annotation is: false [2018-11-14 17:22:58,651 INFO L425 ceAbstractionStarter]: For program point L29-3(line 29) no Hoare annotation was computed. [2018-11-14 17:22:58,651 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 19 32) no Hoare annotation was computed. [2018-11-14 17:22:58,653 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 17:22:58,653 WARN L170 areAnnotationChecker]: __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-14 17:22:58,653 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-14 17:22:58,654 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2018-11-14 17:22:58,654 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 17:22:58,654 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:22:58,654 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-14 17:22:58,654 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2018-11-14 17:22:58,654 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2018-11-14 17:22:58,655 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:22:58,655 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:22:58,655 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-14 17:22:58,655 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2018-11-14 17:22:58,655 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2018-11-14 17:22:58,655 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 17:22:58,655 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 17:22:58,656 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 17:22:58,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:22:58 BoogieIcfgContainer [2018-11-14 17:22:58,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 17:22:58,660 INFO L168 Benchmark]: Toolchain (without parser) took 2165.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -755.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2018-11-14 17:22:58,662 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-14 17:22:58,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.09 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. [2018-11-14 17:22:58,664 INFO L168 Benchmark]: Boogie Preprocessor took 39.22 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 17:22:58,665 INFO L168 Benchmark]: RCFGBuilder took 530.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -811.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2018-11-14 17:22:58,666 INFO L168 Benchmark]: TraceAbstraction took 1267.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2018-11-14 17:22:58,669 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 0.20 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 321.09 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 Preprocessor took 39.22 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 530.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -811.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1267.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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, 17 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 2 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=17occurred 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, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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...