java -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/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-df4b876 [2018-11-06 22:47:55,466 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:47:55,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:47:55,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:47:55,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:47:55,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:47:55,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:47:55,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:47:55,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:47:55,487 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:47:55,488 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:47:55,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:47:55,489 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:47:55,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:47:55,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:47:55,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:47:55,493 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:47:55,495 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:47:55,497 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:47:55,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:47:55,500 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:47:55,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:47:55,504 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 22:47:55,504 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 22:47:55,504 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 22:47:55,505 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 22:47:55,506 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 22:47:55,507 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 22:47:55,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 22:47:55,509 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 22:47:55,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 22:47:55,510 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-06 22:47:55,515 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 22:47:55,533 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:47:55,533 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:47:55,534 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:47:55,534 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:47:55,535 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:47:55,535 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:47:55,535 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:47:55,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:47:55,535 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:47:55,536 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:47:55,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:47:55,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:47:55,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:47:55,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:47:55,537 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:47:55,537 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:47:55,537 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:47:55,537 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:47:55,537 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:47:55,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:47:55,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:47:55,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:47:55,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:47:55,538 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:47:55,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:47:55,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:47:55,539 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:47:55,539 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:47:55,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:47:55,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:47:55,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:47:55,613 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:47:55,613 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:47:55,614 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-06 22:47:55,673 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b5d6059/98b8c7aa419b416eaf8bd74c8e4e5e3b/FLAGd5d9f0b01 [2018-11-06 22:47:56,122 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:47:56,127 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-06 22:47:56,137 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b5d6059/98b8c7aa419b416eaf8bd74c8e4e5e3b/FLAGd5d9f0b01 [2018-11-06 22:47:56,158 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b5d6059/98b8c7aa419b416eaf8bd74c8e4e5e3b [2018-11-06 22:47:56,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:47:56,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:47:56,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:47:56,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:47:56,179 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:47:56,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54881fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56, skipping insertion in model container [2018-11-06 22:47:56,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:47:56,216 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:47:56,441 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:47:56,445 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:47:56,470 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:47:56,496 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:47:56,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56 WrapperNode [2018-11-06 22:47:56,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:47:56,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:47:56,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:47:56,498 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:47:56,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:47:56,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:47:56,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:47:56,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:47:56,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... [2018-11-06 22:47:56,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:47:56,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:47:56,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:47:56,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:47:56,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:47:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-06 22:47:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:47:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:47:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-06 22:47:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-06 22:47:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-06 22:47:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-06 22:47:57,193 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:47:57,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:47:57 BoogieIcfgContainer [2018-11-06 22:47:57,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:47:57,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:47:57,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:47:57,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:47:57,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:47:56" (1/3) ... [2018-11-06 22:47:57,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5ba43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:47:57, skipping insertion in model container [2018-11-06 22:47:57,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:56" (2/3) ... [2018-11-06 22:47:57,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5ba43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:47:57, skipping insertion in model container [2018-11-06 22:47:57,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:47:57" (3/3) ... [2018-11-06 22:47:57,202 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-06 22:47:57,212 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:47:57,221 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:47:57,238 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:47:57,270 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:47:57,271 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:47:57,271 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:47:57,271 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:47:57,271 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:47:57,272 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:47:57,272 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:47:57,272 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:47:57,272 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:47:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-06 22:47:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-06 22:47:57,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:47:57,298 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:47:57,300 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:47:57,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:47:57,306 INFO L82 PathProgramCache]: Analyzing trace with hash -684552351, now seen corresponding path program 1 times [2018-11-06 22:47:57,309 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:47:57,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:47:57,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:47:57,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:47:57,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:47:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:47:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:47:57,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:47:57,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 22:47:57,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:47:57,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:47:57,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:47:57,603 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2018-11-06 22:47:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:47:57,938 INFO L93 Difference]: Finished difference Result 74 states and 96 transitions. [2018-11-06 22:47:57,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-06 22:47:57,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-06 22:47:57,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:47:57,950 INFO L225 Difference]: With dead ends: 74 [2018-11-06 22:47:57,950 INFO L226 Difference]: Without dead ends: 40 [2018-11-06 22:47:57,953 INFO L604 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 [2018-11-06 22:47:57,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-06 22:47:57,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 30. [2018-11-06 22:47:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-06 22:47:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2018-11-06 22:47:57,999 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 10 [2018-11-06 22:47:58,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:47:58,000 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2018-11-06 22:47:58,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:47:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-11-06 22:47:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-06 22:47:58,001 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:47:58,002 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:47:58,002 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:47:58,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:47:58,003 INFO L82 PathProgramCache]: Analyzing trace with hash 832929356, now seen corresponding path program 1 times [2018-11-06 22:47:58,003 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:47:58,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:47:58,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:47:58,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:47:58,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:47:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:47:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:47:58,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:47:58,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 22:47:58,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 22:47:58,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 22:47:58,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 22:47:58,103 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 3 states. [2018-11-06 22:47:58,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:47:58,134 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2018-11-06 22:47:58,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 22:47:58,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-06 22:47:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:47:58,136 INFO L225 Difference]: With dead ends: 46 [2018-11-06 22:47:58,136 INFO L226 Difference]: Without dead ends: 33 [2018-11-06 22:47:58,137 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 22:47:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-06 22:47:58,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2018-11-06 22:47:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-06 22:47:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2018-11-06 22:47:58,144 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 15 [2018-11-06 22:47:58,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:47:58,144 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2018-11-06 22:47:58,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 22:47:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-11-06 22:47:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-06 22:47:58,145 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:47:58,146 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:47:58,146 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:47:58,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:47:58,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1423984817, now seen corresponding path program 1 times [2018-11-06 22:47:58,146 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:47:58,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:47:58,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:47:58,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:47:58,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:47:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:47:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:47:58,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:47:58,399 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 22:47:58,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:47:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:47:58,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:47:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:47:58,929 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:47:58,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-11-06 22:47:58,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-06 22:47:58,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-06 22:47:58,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-11-06 22:47:58,932 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 12 states. [2018-11-06 22:48:01,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:48:01,886 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2018-11-06 22:48:01,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-06 22:48:01,888 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2018-11-06 22:48:01,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:48:01,890 INFO L225 Difference]: With dead ends: 60 [2018-11-06 22:48:01,890 INFO L226 Difference]: Without dead ends: 58 [2018-11-06 22:48:01,891 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-11-06 22:48:01,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-06 22:48:01,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 29. [2018-11-06 22:48:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-06 22:48:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-11-06 22:48:01,899 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2018-11-06 22:48:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:48:01,900 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-11-06 22:48:01,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-06 22:48:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-06 22:48:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-06 22:48:01,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:48:01,901 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, 1, 1] [2018-11-06 22:48:01,902 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:48:01,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:48:01,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1898387196, now seen corresponding path program 1 times [2018-11-06 22:48:01,902 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:48:01,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:48:01,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:01,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:48:01,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:48:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:48:02,696 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2018-11-06 22:48:03,271 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 32 [2018-11-06 22:48:08,087 WARN L179 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2018-11-06 22:48:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:48:10,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:48:10,684 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 22:48:10,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:48:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:48:10,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:48:20,004 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 [2018-11-06 22:48:20,015 INFO L682 Elim1Store]: detected equality via solver [2018-11-06 22:48:20,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-06 22:48:20,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-06 22:48:20,028 INFO L682 Elim1Store]: detected equality via solver [2018-11-06 22:48:20,038 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 [2018-11-06 22:48:20,039 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-06 22:48:20,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-06 22:48:20,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-06 22:48:20,073 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:75, output treesize:7 [2018-11-06 22:48:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:48:20,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:48:20,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 23 [2018-11-06 22:48:20,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-06 22:48:20,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-06 22:48:20,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=409, Unknown=3, NotChecked=0, Total=506 [2018-11-06 22:48:20,268 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 23 states. [2018-11-06 22:48:29,104 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-11-06 22:48:35,262 WARN L179 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-11-06 22:48:42,150 WARN L179 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2018-11-06 22:49:42,465 WARN L179 SmtUtils]: Spent 45.82 s on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2018-11-06 22:49:45,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:45,443 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-11-06 22:49:45,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-06 22:49:45,447 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 25 [2018-11-06 22:49:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:45,448 INFO L225 Difference]: With dead ends: 41 [2018-11-06 22:49:45,448 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 22:49:45,449 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 85.0s TimeCoverageRelationStatistics Valid=149, Invalid=600, Unknown=7, NotChecked=0, Total=756 [2018-11-06 22:49:45,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 22:49:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 22:49:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 22:49:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 22:49:45,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-06 22:49:45,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:45,450 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 22:49:45,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-06 22:49:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 22:49:45,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 22:49:45,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 22:49:49,863 WARN L179 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2018-11-06 22:49:50,117 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2018-11-06 22:49:52,293 WARN L179 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 57 [2018-11-06 22:49:52,296 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-06 22:49:52,297 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 22:49:52,297 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-11-06 22:49:52,297 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 37) no Hoare annotation was computed. [2018-11-06 22:49:52,297 INFO L421 ceAbstractionStarter]: At program point L31-3(lines 31 37) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~#array~0.offset| 0))) (or (let ((.cse1 (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296)) (.cse2 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and .cse0 (< .cse1 .cse2) (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))) (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))))) [2018-11-06 22:49:52,297 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 20 47) no Hoare annotation was computed. [2018-11-06 22:49:52,298 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-06 22:49:52,298 INFO L425 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-06 22:49:52,298 INFO L425 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-11-06 22:49:52,298 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 47) no Hoare annotation was computed. [2018-11-06 22:49:52,298 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-11-06 22:49:52,298 INFO L421 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~#array~0.offset| 0))) (or (let ((.cse1 (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296)) (.cse2 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and .cse0 (< .cse1 .cse2) (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))) (let ((.cse4 (mod ULTIMATE.start_main_~index2~0 4294967296))) (and (< .cse4 100000) .cse0 (< (mod ULTIMATE.start_main_~index1~0 4294967296) .cse4))))) [2018-11-06 22:49:52,298 INFO L421 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#array~0.offset| 0) (or (and (= ULTIMATE.start_main_~loop_entered~0 0) (<= ULTIMATE.start_main_~index2~0 (+ (* 4294967296 (div ULTIMATE.start_main_~index2~0 4294967296)) 99999))) (<= (* 4294967296 (div (+ ULTIMATE.start_main_~index2~0 4294867297) 4294967296)) ULTIMATE.start_main_~index2~0)) (< (mod ULTIMATE.start_main_~index1~0 4294967296) (mod ULTIMATE.start_main_~index2~0 4294967296))) [2018-11-06 22:49:52,299 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 22:49:52,299 INFO L425 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-11-06 22:49:52,299 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 22:49:52,299 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 22:49:52,299 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-11-06 22:49:52,299 INFO L425 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2018-11-06 22:49:52,300 INFO L421 ceAbstractionStarter]: At program point L41-2(line 41) the Hoare annotation is: (let ((.cse4 (- |ULTIMATE.start_main_#t~mem7|)) (.cse5 (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))))) (<= (* 4294967296 (div (+ (* (- 4294967296) (div (+ .cse4 |ULTIMATE.start_main_#t~mem8|) 4294967296)) |ULTIMATE.start_main_#t~mem8|) 4294967296)) |ULTIMATE.start_main_#t~mem7|) (= |ULTIMATE.start_main_~#array~0.offset| 0) (< (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296) .cse5) (< (mod ULTIMATE.start_main_~index2~0 4294967296) (mod ULTIMATE.start_main_~index1~0 4294967296)) (<= (+ (* 4294967296 (div (+ .cse4 (+ |ULTIMATE.start_main_#t~mem8| 4294967295)) 4294967296)) (* 4294967296 (div |ULTIMATE.start_main_#t~mem7| 4294967296))) |ULTIMATE.start_main_#t~mem8|) (< .cse5 100000))) [2018-11-06 22:49:52,300 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 45) no Hoare annotation was computed. [2018-11-06 22:49:52,300 INFO L425 ceAbstractionStarter]: For program point L41-3(line 41) no Hoare annotation was computed. [2018-11-06 22:49:52,300 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 9 15) the Hoare annotation is: true [2018-11-06 22:49:52,301 INFO L425 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-11-06 22:49:52,301 INFO L425 ceAbstractionStarter]: For program point L11(lines 11 13) no Hoare annotation was computed. [2018-11-06 22:49:52,301 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-11-06 22:49:52,301 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2018-11-06 22:49:52,301 INFO L425 ceAbstractionStarter]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2018-11-06 22:49:52,309 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,310 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,317 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,317 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,319 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,319 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,320 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,321 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:49:52 BoogieIcfgContainer [2018-11-06 22:49:52,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:49:52,324 INFO L168 Benchmark]: Toolchain (without parser) took 116152.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 776.5 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -430.3 MB). Peak memory consumption was 346.2 MB. Max. memory is 7.1 GB. [2018-11-06 22:49:52,325 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:49:52,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-06 22:49:52,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:49:52,328 INFO L168 Benchmark]: Boogie Preprocessor took 44.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:49:52,328 INFO L168 Benchmark]: RCFGBuilder took 601.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 776.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2018-11-06 22:49:52,329 INFO L168 Benchmark]: TraceAbstraction took 115128.30 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: 372.1 MB). Peak memory consumption was 372.1 MB. Max. memory is 7.1 GB. [2018-11-06 22:49:52,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 321.88 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 49.51 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 44.09 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 601.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 776.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 115128.30 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: 372.1 MB). Peak memory consumption was 372.1 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 * 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 [2018-11-06 22:49:52,343 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,343 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,344 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,344 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((array == 0 && (index1 + 4294967295) % 4294967296 < (index2 + 1) % 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) || ((index2 % 4294967296 < 100000 && array == 0) && index1 % 4294967296 < index2 % 4294967296) - InvariantResult [Line: 31]: Loop Invariant [2018-11-06 22:49:52,345 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,346 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,347 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-06 22:49:52,347 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((array == 0 && (index1 + 4294967295) % 4294967296 < (index2 + 1) % 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) || (((array == 0 && index1 % 4294967296 < 100000) && loop_entered == 0) && index2 <= 4294967296 * (index2 / 4294967296) + 99999) - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. SAFE Result, 115.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 88.5s AutomataDifference, 0.0s DeadEndRemovalTime, 6.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 120 SDslu, 293 SDs, 0 SdLazy, 375 SolverSat, 36 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 19.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 35 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 85.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 307 HoareAnnotationTreeSize, 10 FomulaSimplifications, 37 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 197 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 1 QuantifiedInterpolants, 61567 SizeOfPredicates, 10 NumberOfNonLiveVariables, 119 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 13/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...