java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 03:09:45,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 03:09:45,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 03:09:45,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 03:09:45,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 03:09:45,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 03:09:45,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 03:09:45,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 03:09:45,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 03:09:45,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 03:09:45,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 03:09:45,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 03:09:45,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 03:09:45,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 03:09:45,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 03:09:45,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 03:09:45,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 03:09:45,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 03:09:45,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 03:09:45,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 03:09:45,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 03:09:45,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 03:09:45,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 03:09:45,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 03:09:45,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 03:09:45,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 03:09:45,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 03:09:45,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 03:09:45,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 03:09:45,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 03:09:45,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 03:09:45,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 03:09:45,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 03:09:45,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 03:09:45,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 03:09:45,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 03:09:45,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 03:09:45,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 03:09:45,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 03:09:45,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 03:09:45,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 03:09:45,529 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 03:09:45,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 03:09:45,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 03:09:45,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 03:09:45,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 03:09:45,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 03:09:45,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 03:09:45,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 03:09:45,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 03:09:45,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 03:09:45,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 03:09:45,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 03:09:45,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 03:09:45,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 03:09:45,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 03:09:45,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 03:09:45,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 03:09:45,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 03:09:45,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 03:09:45,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 03:09:45,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 03:09:45,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 03:09:45,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 03:09:45,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 03:09:45,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 03:09:45,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 03:09:45,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 03:09:45,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 03:09:45,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 03:09:45,601 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 03:09:45,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-08 03:09:45,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69045ce14/cc8a0ba409364483b28954d2335be316/FLAG7a8be92b7 [2019-09-08 03:09:46,142 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 03:09:46,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-08 03:09:46,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69045ce14/cc8a0ba409364483b28954d2335be316/FLAG7a8be92b7 [2019-09-08 03:09:46,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69045ce14/cc8a0ba409364483b28954d2335be316 [2019-09-08 03:09:46,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 03:09:46,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 03:09:46,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 03:09:46,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 03:09:46,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 03:09:46,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:09:46" (1/1) ... [2019-09-08 03:09:46,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e6c269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:46, skipping insertion in model container [2019-09-08 03:09:46,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:09:46" (1/1) ... [2019-09-08 03:09:46,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 03:09:46,578 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 03:09:46,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 03:09:46,880 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 03:09:47,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 03:09:47,095 INFO L192 MainTranslator]: Completed translation [2019-09-08 03:09:47,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47 WrapperNode [2019-09-08 03:09:47,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 03:09:47,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 03:09:47,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 03:09:47,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 03:09:47,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (1/1) ... [2019-09-08 03:09:47,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (1/1) ... [2019-09-08 03:09:47,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (1/1) ... [2019-09-08 03:09:47,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (1/1) ... [2019-09-08 03:09:47,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (1/1) ... [2019-09-08 03:09:47,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (1/1) ... [2019-09-08 03:09:47,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (1/1) ... [2019-09-08 03:09:47,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 03:09:47,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 03:09:47,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 03:09:47,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 03:09:47,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (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 [2019-09-08 03:09:47,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 03:09:47,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 03:09:47,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 03:09:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 03:09:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 03:09:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 03:09:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 03:09:47,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 03:09:47,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 03:09:47,478 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 03:09:47,478 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 03:09:47,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:09:47 BoogieIcfgContainer [2019-09-08 03:09:47,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 03:09:47,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 03:09:47,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 03:09:47,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 03:09:47,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 03:09:46" (1/3) ... [2019-09-08 03:09:47,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fe4254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:09:47, skipping insertion in model container [2019-09-08 03:09:47,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:47" (2/3) ... [2019-09-08 03:09:47,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fe4254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:09:47, skipping insertion in model container [2019-09-08 03:09:47,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:09:47" (3/3) ... [2019-09-08 03:09:47,489 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2019-09-08 03:09:47,499 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 03:09:47,506 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 03:09:47,523 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 03:09:47,561 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 03:09:47,562 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 03:09:47,562 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 03:09:47,562 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 03:09:47,562 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 03:09:47,562 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 03:09:47,562 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 03:09:47,563 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 03:09:47,563 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 03:09:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-09-08 03:09:47,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-08 03:09:47,586 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 03:09:47,586 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 03:09:47,588 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 03:09:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 03:09:47,592 INFO L82 PathProgramCache]: Analyzing trace with hash 446778609, now seen corresponding path program 1 times [2019-09-08 03:09:47,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 03:09:47,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 03:09:47,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:47,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 03:09:47,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 03:09:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 03:09:48,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 03:09:48,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 03:09:48,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 03:09:48,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 03:09:48,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 03:09:48,081 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-09-08 03:09:48,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 03:09:48,241 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2019-09-08 03:09:48,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 03:09:48,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-09-08 03:09:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 03:09:48,254 INFO L225 Difference]: With dead ends: 52 [2019-09-08 03:09:48,254 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 03:09:48,261 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 03:09:48,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 03:09:48,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 03:09:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 03:09:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 03:09:48,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-09-08 03:09:48,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 03:09:48,292 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 03:09:48,293 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 03:09:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 03:09:48,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 03:09:48,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 03:09:48,343 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 03:09:48,345 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-08 03:09:48,345 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 03:09:48,345 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 03:09:48,345 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-08 03:09:48,345 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 03:09:48,345 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 03:09:48,346 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-09-08 03:09:48,346 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2019-09-08 03:09:48,347 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2019-09-08 03:09:48,347 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2019-09-08 03:09:48,347 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2019-09-08 03:09:48,347 INFO L446 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2019-09-08 03:09:48,347 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2019-09-08 03:09:48,348 INFO L446 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2019-09-08 03:09:48,348 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2019-09-08 03:09:48,348 INFO L446 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2019-09-08 03:09:48,348 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2019-09-08 03:09:48,350 INFO L439 ceAbstractionStarter]: At program point L120(lines 23 143) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* (- 4294967296) .cse0) main_~main__x~0) 3))))) [2019-09-08 03:09:48,350 INFO L439 ceAbstractionStarter]: At program point L54(lines 24 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* (- 4294967296) .cse0) main_~main__x~0) 3))))) [2019-09-08 03:09:48,351 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2019-09-08 03:09:48,351 INFO L443 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2019-09-08 03:09:48,351 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2019-09-08 03:09:48,352 INFO L439 ceAbstractionStarter]: At program point L42(lines 24 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ (* (- 4294967296) .cse0) main_~main__x~0) 3))))) [2019-09-08 03:09:48,352 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2019-09-08 03:09:48,352 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-09-08 03:09:48,352 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2019-09-08 03:09:48,352 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2019-09-08 03:09:48,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 03:09:48 BoogieIcfgContainer [2019-09-08 03:09:48,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 03:09:48,377 INFO L168 Benchmark]: Toolchain (without parser) took 1835.49 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.8 MB in the beginning and 125.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:48,378 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 03:09:48,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.02 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.8 MB in the beginning and 179.7 MB in the end (delta: -91.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:48,381 INFO L168 Benchmark]: Boogie Preprocessor took 29.46 ms. Allocated memory is still 203.4 MB. Free memory was 179.7 MB in the beginning and 177.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:48,383 INFO L168 Benchmark]: RCFGBuilder took 352.41 ms. Allocated memory is still 203.4 MB. Free memory was 177.6 MB in the beginning and 162.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:48,384 INFO L168 Benchmark]: TraceAbstraction took 889.87 ms. Allocated memory is still 203.4 MB. Free memory was 162.0 MB in the beginning and 125.6 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:48,393 INFO L335 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 133.2 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 557.02 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.8 MB in the beginning and 179.7 MB in the end (delta: -91.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.46 ms. Allocated memory is still 203.4 MB. Free memory was 179.7 MB in the beginning and 177.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.41 ms. Allocated memory is still 203.4 MB. Free memory was 177.6 MB in the beginning and 162.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 889.87 ms. Allocated memory is still 203.4 MB. Free memory was 162.0 MB in the beginning and 125.6 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 10 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 64 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...