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/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:33:25,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:33:25,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:33:25,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:33:25,901 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:33:25,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:33:25,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:33:25,905 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:33:25,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:33:25,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:33:25,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:33:25,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:33:25,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:33:25,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:33:25,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:33:25,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:33:25,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:33:25,916 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:33:25,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:33:25,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:33:25,921 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:33:25,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:33:25,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 17:33:25,934 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 17:33:25,963 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:33:25,964 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:33:25,965 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:33:25,965 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:33:25,966 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:33:25,966 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:33:25,966 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:33:25,966 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:33:25,966 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:33:25,967 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 17:33:25,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:33:25,967 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:33:25,967 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:33:25,967 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:33:25,967 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:33:25,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:33:25,969 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:33:25,969 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:33:25,969 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:33:25,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:33:25,970 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:33:25,971 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:33:25,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:33:25,971 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:33:25,972 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:33:25,972 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:33:25,972 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 17:33:25,972 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:33:25,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 17:33:25,973 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:33:26,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:33:26,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:33:26,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:33:26,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:33:26,063 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:33:26,064 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i [2018-11-14 17:33:26,128 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b806a972/a21f6b871f8745e896da6979adbd2d4b/FLAG604b3578d [2018-11-14 17:33:26,619 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:33:26,619 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i [2018-11-14 17:33:26,627 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b806a972/a21f6b871f8745e896da6979adbd2d4b/FLAG604b3578d [2018-11-14 17:33:26,642 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b806a972/a21f6b871f8745e896da6979adbd2d4b [2018-11-14 17:33:26,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:33:26,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:33:26,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:33:26,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:33:26,658 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:33:26,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:26,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddc1173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26, skipping insertion in model container [2018-11-14 17:33:26,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:26,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:33:26,695 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:33:26,929 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:33:26,941 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:33:26,962 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:33:26,981 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:33:26,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26 WrapperNode [2018-11-14 17:33:26,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:33:26,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:33:26,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:33:26,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:33:26,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:26,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:27,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:27,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:27,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:27,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:27,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (1/1) ... [2018-11-14 17:33:27,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:33:27,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:33:27,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:33:27,021 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:33:27,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (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 17:33:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:33:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:33:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 17:33:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:33:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:33:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 17:33:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:33:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:33:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:33:27,514 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:33:27,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:27 BoogieIcfgContainer [2018-11-14 17:33:27,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:33:27,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:33:27,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:33:27,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:33:27,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:33:26" (1/3) ... [2018-11-14 17:33:27,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150abec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:27, skipping insertion in model container [2018-11-14 17:33:27,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:33:26" (2/3) ... [2018-11-14 17:33:27,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150abec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:27, skipping insertion in model container [2018-11-14 17:33:27,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:27" (3/3) ... [2018-11-14 17:33:27,523 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_vardep_true-unreach-call1_true-termination.i [2018-11-14 17:33:27,536 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:33:27,547 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:33:27,564 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:33:27,595 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:33:27,596 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:33:27,596 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:33:27,596 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:33:27,596 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:33:27,596 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:33:27,596 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:33:27,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:33:27,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:33:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-14 17:33:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-14 17:33:27,623 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:33:27,624 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:33:27,626 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:33:27,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:33:27,633 INFO L82 PathProgramCache]: Analyzing trace with hash -569563750, now seen corresponding path program 1 times [2018-11-14 17:33:27,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:33:27,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:33:27,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:33:27,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:33:27,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:33:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:33:28,488 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-14 17:33:28,492 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-14 17:33:28,492 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {21#true} {21#true} #32#return; {21#true} is VALID [2018-11-14 17:33:28,493 INFO L256 TraceCheckUtils]: 3: Hoare triple {21#true} call #t~ret0 := main(); {21#true} is VALID [2018-11-14 17:33:28,494 INFO L273 TraceCheckUtils]: 4: Hoare triple {21#true} ~i~0 := 0;~j~0 := 0;~k~0 := 0; {23#(and (<= (+ main_~i~0 main_~j~0) main_~k~0) (<= main_~k~0 (+ main_~i~0 main_~j~0)))} is VALID [2018-11-14 17:33:28,507 INFO L273 TraceCheckUtils]: 5: Hoare triple {23#(and (<= (+ main_~i~0 main_~j~0) main_~k~0) (<= main_~k~0 (+ main_~i~0 main_~j~0)))} assume true; {23#(and (<= (+ main_~i~0 main_~j~0) main_~k~0) (<= main_~k~0 (+ main_~i~0 main_~j~0)))} is VALID [2018-11-14 17:33:28,510 INFO L273 TraceCheckUtils]: 6: Hoare triple {23#(and (<= (+ main_~i~0 main_~j~0) main_~k~0) (<= main_~k~0 (+ main_~i~0 main_~j~0)))} assume !!(~k~0 % 4294967296 < 268435455);~i~0 := ~i~0 + 1;~j~0 := ~j~0 + 2;~k~0 := ~k~0 + 3; {23#(and (<= (+ main_~i~0 main_~j~0) main_~k~0) (<= main_~k~0 (+ main_~i~0 main_~j~0)))} is VALID [2018-11-14 17:33:28,512 INFO L256 TraceCheckUtils]: 7: Hoare triple {23#(and (<= (+ main_~i~0 main_~j~0) main_~k~0) (<= main_~k~0 (+ main_~i~0 main_~j~0)))} call __VERIFIER_assert((if ~k~0 % 4294967296 == (~i~0 + ~j~0) % 4294967296 then 1 else 0)); {24#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-14 17:33:28,514 INFO L273 TraceCheckUtils]: 8: Hoare triple {24#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {25#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-14 17:33:28,523 INFO L273 TraceCheckUtils]: 9: Hoare triple {25#(= __VERIFIER_assert_~cond 1)} assume ~cond == 0; {22#false} is VALID [2018-11-14 17:33:28,523 INFO L273 TraceCheckUtils]: 10: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-14 17:33:28,527 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 17:33:28,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:33:28,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 17:33:28,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-14 17:33:28,540 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:33:28,544 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 17:33:28,671 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:33:28,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 17:33:28,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 17:33:28,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 17:33:28,686 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-14 17:33:28,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:33:28,976 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2018-11-14 17:33:28,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 17:33:28,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-14 17:33:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:33:28,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:33:28,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2018-11-14 17:33:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:33:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2018-11-14 17:33:28,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 34 transitions. [2018-11-14 17:33:29,319 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:33:29,326 INFO L225 Difference]: With dead ends: 29 [2018-11-14 17:33:29,326 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 17:33:29,330 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-14 17:33:29,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 17:33:29,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 17:33:29,354 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:33:29,355 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 17:33:29,355 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:33:29,356 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:33:29,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:33:29,356 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:33:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:33:29,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:33:29,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:33:29,357 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 17:33:29,358 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 17:33:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:33:29,358 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 17:33:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:33:29,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:33:29,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:33:29,359 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:33:29,360 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:33:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 17:33:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 17:33:29,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-14 17:33:29,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:33:29,362 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 17:33:29,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 17:33:29,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 17:33:29,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:33:29,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 17:33:29,464 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-14 17:33:29,464 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:33:29,464 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 17:33:29,465 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 17:33:29,465 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 17:33:29,465 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 17:33:29,465 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 15 29) the Hoare annotation is: true [2018-11-14 17:33:29,466 INFO L421 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 main_~k~0) (<= main_~k~0 .cse0))) [2018-11-14 17:33:29,466 INFO L421 ceAbstractionStarter]: At program point L26-1(lines 21 27) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0))) (and (<= .cse0 main_~k~0) (<= main_~k~0 .cse0))) [2018-11-14 17:33:29,466 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 15 29) no Hoare annotation was computed. [2018-11-14 17:33:29,466 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 27) no Hoare annotation was computed. [2018-11-14 17:33:29,466 INFO L425 ceAbstractionStarter]: For program point L21-3(lines 15 29) no Hoare annotation was computed. [2018-11-14 17:33:29,466 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2018-11-14 17:33:29,467 INFO L425 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-14 17:33:29,467 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2018-11-14 17:33:29,467 INFO L425 ceAbstractionStarter]: For program point L9(lines 9 11) no Hoare annotation was computed. [2018-11-14 17:33:29,467 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-14 17:33:29,467 INFO L425 ceAbstractionStarter]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2018-11-14 17:33:29,469 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:33:29,485 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-14 17:33:29,485 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:33:29,485 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:33:29,485 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2018-11-14 17:33:29,486 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2018-11-14 17:33:29,486 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-14 17:33:29,486 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2018-11-14 17:33:29,486 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:33:29,486 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2018-11-14 17:33:29,487 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2018-11-14 17:33:29,488 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2018-11-14 17:33:29,488 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2018-11-14 17:33:29,488 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2018-11-14 17:33:29,488 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2018-11-14 17:33:29,488 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 17:33:29,489 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-14 17:33:29,489 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 17:33:29,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:33:29 BoogieIcfgContainer [2018-11-14 17:33:29,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 17:33:29,501 INFO L168 Benchmark]: Toolchain (without parser) took 2849.68 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -719.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2018-11-14 17:33:29,506 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 17:33:29,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.28 ms. Allocated memory is still 1.6 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 17:33:29,508 INFO L168 Benchmark]: Boogie Preprocessor took 37.88 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 17:33:29,509 INFO L168 Benchmark]: RCFGBuilder took 493.77 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-14 17:33:29,510 INFO L168 Benchmark]: TraceAbstraction took 1984.35 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2018-11-14 17:33:29,519 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 328.28 ms. Allocated memory is still 1.6 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 37.88 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 493.77 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1984.35 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: i + j <= k && k <= i + j - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 13 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 27 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 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...