java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8c3fbe1 [2018-10-22 15:46:14,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 15:46:14,485 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 15:46:14,507 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 15:46:14,507 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 15:46:14,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 15:46:14,511 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 15:46:14,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 15:46:14,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 15:46:14,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 15:46:14,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 15:46:14,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 15:46:14,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 15:46:14,524 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 15:46:14,527 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 15:46:14,528 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 15:46:14,529 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 15:46:14,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 15:46:14,541 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 15:46:14,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 15:46:14,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 15:46:14,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 15:46:14,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-22 15:46:14,564 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-22 15:46:14,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 15:46:14,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 15:46:14,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 15:46:14,582 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-22 15:46:14,583 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-22 15:46:14,583 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-22 15:46:14,583 INFO L133 SettingsManager]: * Use SBE=true [2018-10-22 15:46:14,584 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 15:46:14,584 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 15:46:14,584 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 15:46:14,584 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 15:46:14,585 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 15:46:14,585 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 15:46:14,585 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 15:46:14,585 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 15:46:14,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 15:46:14,586 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 15:46:14,586 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 15:46:14,586 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 15:46:14,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:46:14,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 15:46:14,587 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 15:46:14,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 15:46:14,587 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-22 15:46:14,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 15:46:14,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 15:46:14,588 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 15:46:14,588 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-22 15:46:14,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 15:46:14,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 15:46:14,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 15:46:14,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 15:46:14,662 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 15:46:14,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-10-22 15:46:14,727 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/938bf1c63/370d588b6c9c4c3384a4bb301c743347/FLAGb9ef0d8b6 [2018-10-22 15:46:15,135 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 15:46:15,136 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-10-22 15:46:15,142 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/938bf1c63/370d588b6c9c4c3384a4bb301c743347/FLAGb9ef0d8b6 [2018-10-22 15:46:15,155 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/938bf1c63/370d588b6c9c4c3384a4bb301c743347 [2018-10-22 15:46:15,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 15:46:15,166 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-22 15:46:15,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 15:46:15,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 15:46:15,171 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 15:46:15,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8db953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15, skipping insertion in model container [2018-10-22 15:46:15,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 15:46:15,209 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 15:46:15,406 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:46:15,411 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 15:46:15,446 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:46:15,469 INFO L193 MainTranslator]: Completed translation [2018-10-22 15:46:15,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15 WrapperNode [2018-10-22 15:46:15,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 15:46:15,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 15:46:15,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 15:46:15,470 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 15:46:15,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 15:46:15,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 15:46:15,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 15:46:15,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 15:46:15,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... [2018-10-22 15:46:15,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 15:46:15,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 15:46:15,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 15:46:15,538 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 15:46:15,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:46:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 15:46:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 15:46:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-22 15:46:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-22 15:46:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-22 15:46:16,098 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 15:46:16,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:46:16 BoogieIcfgContainer [2018-10-22 15:46:16,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 15:46:16,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 15:46:16,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 15:46:16,103 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 15:46:16,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:46:15" (1/3) ... [2018-10-22 15:46:16,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae5dc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:46:16, skipping insertion in model container [2018-10-22 15:46:16,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:46:15" (2/3) ... [2018-10-22 15:46:16,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae5dc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:46:16, skipping insertion in model container [2018-10-22 15:46:16,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:46:16" (3/3) ... [2018-10-22 15:46:16,107 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4_true-termination.i [2018-10-22 15:46:16,117 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 15:46:16,126 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 15:46:16,144 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 15:46:16,178 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 15:46:16,179 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 15:46:16,179 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 15:46:16,179 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 15:46:16,180 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 15:46:16,180 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 15:46:16,180 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 15:46:16,180 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 15:46:16,180 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 15:46:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-10-22 15:46:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-22 15:46:16,205 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:16,206 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:46:16,208 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:16,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:16,214 INFO L82 PathProgramCache]: Analyzing trace with hash 152184704, now seen corresponding path program 1 times [2018-10-22 15:46:16,216 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:16,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:16,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:16,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:16,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:16,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:46:16,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-22 15:46:16,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-22 15:46:16,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-22 15:46:16,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-22 15:46:16,506 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 5 states. [2018-10-22 15:46:16,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:16,806 INFO L93 Difference]: Finished difference Result 69 states and 91 transitions. [2018-10-22 15:46:16,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-22 15:46:16,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-10-22 15:46:16,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:16,817 INFO L225 Difference]: With dead ends: 69 [2018-10-22 15:46:16,817 INFO L226 Difference]: Without dead ends: 38 [2018-10-22 15:46:16,821 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-22 15:46:16,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-10-22 15:46:16,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2018-10-22 15:46:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-10-22 15:46:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-10-22 15:46:16,867 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 8 [2018-10-22 15:46:16,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:16,868 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-10-22 15:46:16,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-22 15:46:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-10-22 15:46:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-22 15:46:16,869 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:16,869 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:46:16,870 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:16,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:16,870 INFO L82 PathProgramCache]: Analyzing trace with hash 458111371, now seen corresponding path program 1 times [2018-10-22 15:46:16,871 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:16,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:16,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:16,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:16,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:17,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:46:17,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-22 15:46:17,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-22 15:46:17,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-22 15:46:17,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-22 15:46:17,017 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 3 states. [2018-10-22 15:46:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:17,051 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-10-22 15:46:17,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-22 15:46:17,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-10-22 15:46:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:17,053 INFO L225 Difference]: With dead ends: 44 [2018-10-22 15:46:17,053 INFO L226 Difference]: Without dead ends: 31 [2018-10-22 15:46:17,054 INFO L605 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 [2018-10-22 15:46:17,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-10-22 15:46:17,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2018-10-22 15:46:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-10-22 15:46:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2018-10-22 15:46:17,061 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 13 [2018-10-22 15:46:17,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:17,062 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2018-10-22 15:46:17,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-22 15:46:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-10-22 15:46:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-22 15:46:17,063 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:17,063 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:46:17,064 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:17,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:17,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1957151887, now seen corresponding path program 1 times [2018-10-22 15:46:17,064 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:17,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:17,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:17,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:17,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:17,333 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-10-22 15:46:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:17,663 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:46:17,663 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:46:17,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:17,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:46:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:18,448 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:46:18,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2018-10-22 15:46:18,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-22 15:46:18,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-22 15:46:18,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-10-22 15:46:18,450 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 15 states. [2018-10-22 15:46:19,222 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-22 15:46:21,869 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2018-10-22 15:46:26,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:26,852 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-10-22 15:46:26,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-22 15:46:26,852 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2018-10-22 15:46:26,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:26,853 INFO L225 Difference]: With dead ends: 58 [2018-10-22 15:46:26,854 INFO L226 Difference]: Without dead ends: 40 [2018-10-22 15:46:26,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2018-10-22 15:46:26,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-22 15:46:26,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 24. [2018-10-22 15:46:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-10-22 15:46:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-10-22 15:46:26,868 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2018-10-22 15:46:26,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:26,868 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-10-22 15:46:26,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-22 15:46:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-10-22 15:46:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-22 15:46:26,870 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:46:26,870 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:46:26,870 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:46:26,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:46:26,871 INFO L82 PathProgramCache]: Analyzing trace with hash 471594042, now seen corresponding path program 1 times [2018-10-22 15:46:26,871 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:46:26,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:46:26,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:26,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:26,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:46:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:28,205 WARN L179 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2018-10-22 15:46:30,626 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-22 15:46:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:32,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:46:32,947 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:46:32,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:46:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:46:33,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:46:34,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2018-10-22 15:46:34,379 INFO L682 Elim1Store]: detected equality via solver [2018-10-22 15:46:34,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:46:34,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:46:34,411 INFO L682 Elim1Store]: detected equality via solver [2018-10-22 15:46:34,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 60 [2018-10-22 15:46:34,426 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:46:34,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:46:34,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:46:34,480 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:75, output treesize:7 [2018-10-22 15:46:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:46:34,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:46:34,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 23 [2018-10-22 15:46:34,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-22 15:46:34,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-22 15:46:34,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=418, Unknown=2, NotChecked=0, Total=506 [2018-10-22 15:46:34,864 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 23 states. [2018-10-22 15:46:42,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:46:42,309 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-10-22 15:46:42,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-22 15:46:42,310 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 23 [2018-10-22 15:46:42,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:46:42,311 INFO L225 Difference]: With dead ends: 28 [2018-10-22 15:46:42,311 INFO L226 Difference]: Without dead ends: 0 [2018-10-22 15:46:42,312 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=164, Invalid=704, Unknown=2, NotChecked=0, Total=870 [2018-10-22 15:46:42,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-22 15:46:42,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-22 15:46:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-22 15:46:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-22 15:46:42,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-10-22 15:46:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:46:42,314 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-22 15:46:42,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-22 15:46:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-22 15:46:42,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-22 15:46:42,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-22 15:46:46,495 WARN L179 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-10-22 15:46:50,876 WARN L179 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2018-10-22 15:46:51,030 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-10-22 15:46:51,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-22 15:46:51,031 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-10-22 15:46:51,031 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 37) no Hoare annotation was computed. [2018-10-22 15:46:51,031 INFO L421 ceAbstractionStarter]: At program point L31-3(lines 31 37) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_main_~#array~0.offset|))) (or (and .cse0 (< (mod ULTIMATE.start_main_~index1~0 4294967296) 100000) (= ULTIMATE.start_main_~loop_entered~0 0) (<= ULTIMATE.start_main_~index2~0 (+ (* 4294967296 (div ULTIMATE.start_main_~index2~0 4294967296)) 99999))) (let ((.cse1 (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296)) (.cse2 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and (< .cse1 .cse2) .cse0 (let ((.cse3 (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|))) (= (mod (select .cse3 (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 .cse2))) 4294967296) (mod (select .cse3 (+ (* 4 .cse1) |ULTIMATE.start_main_~#array~0.offset|)) 4294967296))) (< .cse2 100000))))) [2018-10-22 15:46:51,031 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 20 47) no Hoare annotation was computed. [2018-10-22 15:46:51,032 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 47) no Hoare annotation was computed. [2018-10-22 15:46:51,032 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-10-22 15:46:51,032 INFO L421 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: (let ((.cse0 (div ULTIMATE.start_main_~index2~0 4294967296))) (or (and (< (mod ULTIMATE.start_main_~index1~0 4294967296) (mod ULTIMATE.start_main_~index2~0 4294967296)) (<= ULTIMATE.start_main_~index2~0 (+ (* 4294967296 .cse0) 99999))) (let ((.cse5 (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|)) (.cse1 (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296)) (.cse2 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and (< .cse1 .cse2) (= 0 |ULTIMATE.start_main_~#array~0.offset|) (let ((.cse3 (select .cse5 (+ (* 4 ULTIMATE.start_main_~index2~0) (+ (* (- 17179869184) .cse0) |ULTIMATE.start_main_~#array~0.offset|))))) (<= .cse3 (let ((.cse4 (select .cse5 (+ (* 4 ULTIMATE.start_main_~index1~0) (+ |ULTIMATE.start_main_~#array~0.offset| (* (- 17179869184) (div ULTIMATE.start_main_~index1~0 4294967296))))))) (+ .cse4 (* 4294967296 (div (+ (- .cse4) .cse3) 4294967296)))))) (= (mod (select .cse5 (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 .cse2))) 4294967296) (mod (select .cse5 (+ (* 4 .cse1) |ULTIMATE.start_main_~#array~0.offset|)) 4294967296)) (< .cse2 100000))))) [2018-10-22 15:46:51,032 INFO L421 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (and (or (let ((.cse0 (+ ULTIMATE.start_main_~index2~0 1))) (and (< (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296) (mod .cse0 4294967296)) (<= ULTIMATE.start_main_~index2~0 (+ (* 4294967296 (div .cse0 4294967296)) 99998)))) (and (= ULTIMATE.start_main_~loop_entered~0 0) (<= ULTIMATE.start_main_~index2~0 (+ (* 4294967296 (div ULTIMATE.start_main_~index2~0 4294967296)) 99999)))) (= 0 |ULTIMATE.start_main_~#array~0.offset|) (< (mod ULTIMATE.start_main_~index1~0 4294967296) (mod ULTIMATE.start_main_~index2~0 4294967296))) [2018-10-22 15:46:51,033 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-22 15:46:51,033 INFO L425 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-10-22 15:46:51,033 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-22 15:46:51,033 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-22 15:46:51,033 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-10-22 15:46:51,033 INFO L425 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2018-10-22 15:46:51,033 INFO L421 ceAbstractionStarter]: At program point L41-2(line 41) the Hoare annotation is: (let ((.cse4 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and (exists ((ULTIMATE.start_main_~index1~0 Int)) (let ((.cse1 (mod ULTIMATE.start_main_~index1~0 4294967296)) (.cse3 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296)) (.cse0 (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|)) (.cse2 (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296))) (and (= (select .cse0 (+ (* 4 .cse1) |ULTIMATE.start_main_~#array~0.offset|)) |ULTIMATE.start_main_#t~mem7|) (< .cse2 .cse3) (< (mod ULTIMATE.start_main_~index2~0 4294967296) .cse1) (= (mod (select .cse0 (+ |ULTIMATE.start_main_~#array~0.offset| (* 4 .cse3))) 4294967296) (mod (select .cse0 (+ (* 4 .cse2) |ULTIMATE.start_main_~#array~0.offset|)) 4294967296))))) (<= |ULTIMATE.start_main_#t~mem8| (+ (* 4294967296 (div (+ |ULTIMATE.start_main_#t~mem8| (- |ULTIMATE.start_main_#t~mem7|)) 4294967296)) |ULTIMATE.start_main_#t~mem7|)) (< (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296) .cse4) (= 0 |ULTIMATE.start_main_~#array~0.offset|) (< (mod ULTIMATE.start_main_~index2~0 4294967296) (mod ULTIMATE.start_main_~index1~0 4294967296)) (< .cse4 100000))) [2018-10-22 15:46:51,034 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 45) no Hoare annotation was computed. [2018-10-22 15:46:51,034 INFO L425 ceAbstractionStarter]: For program point L41-3(line 41) no Hoare annotation was computed. [2018-10-22 15:46:51,034 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 9 15) the Hoare annotation is: true [2018-10-22 15:46:51,034 INFO L425 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-10-22 15:46:51,034 INFO L425 ceAbstractionStarter]: For program point L11(lines 11 13) no Hoare annotation was computed. [2018-10-22 15:46:51,034 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2018-10-22 15:46:51,034 INFO L425 ceAbstractionStarter]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2018-10-22 15:46:51,035 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-10-22 15:46:51,044 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,045 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,046 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,046 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,047 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,047 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,054 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,054 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,055 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,055 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,055 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,055 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,057 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,058 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,059 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,059 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:46:51 BoogieIcfgContainer [2018-10-22 15:46:51,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 15:46:51,062 INFO L168 Benchmark]: Toolchain (without parser) took 35897.07 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -433.3 MB). Peak memory consumption was 305.9 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:51,064 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. [2018-10-22 15:46:51,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.54 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. [2018-10-22 15:46:51,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:46:51,066 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 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. [2018-10-22 15:46:51,066 INFO L168 Benchmark]: RCFGBuilder took 560.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:51,067 INFO L168 Benchmark]: TraceAbstraction took 34962.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 342.1 MB). Peak memory consumption was 342.1 MB. Max. memory is 7.1 GB. [2018-10-22 15:46:51,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - 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 302.54 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.30 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 560.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34962.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 342.1 MB). Peak memory consumption was 342.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 40]: Loop Invariant [2018-10-22 15:46:51,089 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,089 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,089 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,090 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,090 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,090 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,092 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,092 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,092 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,093 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,093 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,093 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (index1 % 4294967296 < index2 % 4294967296 && index2 <= 4294967296 * (index2 / 4294967296) + 99999) || (((((index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296 && 0 == array) && unknown-#memory_int-unknown[array][4 * index2 + (-17179869184 * (index2 / 4294967296) + array)] <= unknown-#memory_int-unknown[array][4 * index1 + (array + -17179869184 * (index1 / 4294967296))] + 4294967296 * ((-unknown-#memory_int-unknown[array][4 * index1 + (array + -17179869184 * (index1 / 4294967296))] + unknown-#memory_int-unknown[array][4 * index2 + (-17179869184 * (index2 / 4294967296) + array)]) / 4294967296)) && unknown-#memory_int-unknown[array][array + 4 * ((index2 + 1) % 4294967296)] % 4294967296 == unknown-#memory_int-unknown[array][4 * ((index1 + 4294967295) % 4294967296) + array] % 4294967296) && (index2 + 1) % 4294967296 < 100000) - InvariantResult [Line: 31]: Loop Invariant [2018-10-22 15:46:51,094 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,094 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,095 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-22 15:46:51,096 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((0 == array && index1 % 4294967296 < 100000) && loop_entered == 0) && index2 <= 4294967296 * (index2 / 4294967296) + 99999) || ((((index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296 && 0 == array) && unknown-#memory_int-unknown[array][array + 4 * ((index2 + 1) % 4294967296)] % 4294967296 == unknown-#memory_int-unknown[array][4 * ((index1 + 4294967295) % 4294967296) + array] % 4294967296) && (index2 + 1) % 4294967296 < 100000) - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. SAFE Result, 34.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 16.2s AutomataDifference, 0.0s DeadEndRemovalTime, 8.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 SDtfs, 107 SDslu, 242 SDs, 0 SdLazy, 415 SolverSat, 27 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 30 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=1, 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, 4 MinimizatonAttempts, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 18 NumberOfFragments, 368 HoareAnnotationTreeSize, 11 FomulaSimplifications, 160 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 168 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 97 ConstructedInterpolants, 1 QuantifiedInterpolants, 39416 SizeOfPredicates, 16 NumberOfNonLiveVariables, 127 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 12/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...