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+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 03:09:49,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 03:09:49,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 03:09:49,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 03:09:49,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 03:09:49,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 03:09:49,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 03:09:49,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 03:09:49,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 03:09:49,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 03:09:49,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 03:09:49,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 03:09:49,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 03:09:49,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 03:09:49,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 03:09:49,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 03:09:49,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 03:09:49,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 03:09:49,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 03:09:49,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 03:09:49,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 03:09:49,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 03:09:49,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 03:09:49,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 03:09:49,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 03:09:49,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 03:09:49,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 03:09:49,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 03:09:49,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 03:09:49,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 03:09:49,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 03:09:49,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 03:09:49,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 03:09:49,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 03:09:49,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 03:09:49,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 03:09:49,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 03:09:49,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 03:09:49,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 03:09:49,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 03:09:49,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 03:09:49,708 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 03:09:49,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 03:09:49,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 03:09:49,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 03:09:49,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 03:09:49,738 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 03:09:49,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 03:09:49,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 03:09:49,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 03:09:49,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 03:09:49,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 03:09:49,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 03:09:49,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 03:09:49,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 03:09:49,740 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 03:09:49,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 03:09:49,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 03:09:49,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 03:09:49,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 03:09:49,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 03:09:49,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 03:09:49,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 03:09:49,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 03:09:49,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 03:09:49,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 03:09:49,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 03:09:49,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 03:09:49,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 03:09:49,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 03:09:49,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 03:09:49,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 03:09:49,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 03:09:49,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 03:09:49,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 03:09:49,786 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 03:09:49,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-08 03:09:49,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8845753/b61825a052ef46bb95d7306215a8bc3b/FLAGc48faab2f [2019-09-08 03:09:50,229 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 03:09:50,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-08 03:09:50,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8845753/b61825a052ef46bb95d7306215a8bc3b/FLAGc48faab2f [2019-09-08 03:09:50,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8845753/b61825a052ef46bb95d7306215a8bc3b [2019-09-08 03:09:50,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 03:09:50,621 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 03:09:50,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 03:09:50,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 03:09:50,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 03:09:50,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:09:50" (1/1) ... [2019-09-08 03:09:50,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fdff94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:50, skipping insertion in model container [2019-09-08 03:09:50,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:09:50" (1/1) ... [2019-09-08 03:09:50,638 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 03:09:50,661 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 03:09:50,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 03:09:50,890 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 03:09:50,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 03:09:51,022 INFO L192 MainTranslator]: Completed translation [2019-09-08 03:09:51,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51 WrapperNode [2019-09-08 03:09:51,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 03:09:51,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 03:09:51,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 03:09:51,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 03:09:51,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (1/1) ... [2019-09-08 03:09:51,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (1/1) ... [2019-09-08 03:09:51,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (1/1) ... [2019-09-08 03:09:51,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (1/1) ... [2019-09-08 03:09:51,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (1/1) ... [2019-09-08 03:09:51,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (1/1) ... [2019-09-08 03:09:51,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (1/1) ... [2019-09-08 03:09:51,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 03:09:51,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 03:09:51,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 03:09:51,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 03:09:51,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (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 03:09:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 03:09:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 03:09:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 03:09:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 03:09:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 03:09:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 03:09:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 03:09:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 03:09:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 03:09:51,416 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 03:09:51,416 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 03:09:51,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:09:51 BoogieIcfgContainer [2019-09-08 03:09:51,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 03:09:51,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 03:09:51,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 03:09:51,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 03:09:51,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 03:09:50" (1/3) ... [2019-09-08 03:09:51,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55202485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:09:51, skipping insertion in model container [2019-09-08 03:09:51,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:09:51" (2/3) ... [2019-09-08 03:09:51,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55202485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:09:51, skipping insertion in model container [2019-09-08 03:09:51,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:09:51" (3/3) ... [2019-09-08 03:09:51,426 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2019-09-08 03:09:51,437 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 03:09:51,448 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 03:09:51,488 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 03:09:51,549 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 03:09:51,550 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 03:09:51,550 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 03:09:51,551 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 03:09:51,551 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 03:09:51,551 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 03:09:51,554 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 03:09:51,554 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 03:09:51,554 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 03:09:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-09-08 03:09:51,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-08 03:09:51,609 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 03:09:51,613 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 03:09:51,618 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 03:09:51,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 03:09:51,628 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2019-09-08 03:09:51,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 03:09:51,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 03:09:51,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:51,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 03:09:51,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 03:09:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 03:09:52,102 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 03:09:52,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 03:09:52,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 03:09:52,110 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 03:09:52,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 03:09:52,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 03:09:52,126 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2019-09-08 03:09:52,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 03:09:52,274 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2019-09-08 03:09:52,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 03:09:52,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-09-08 03:09:52,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 03:09:52,283 INFO L225 Difference]: With dead ends: 52 [2019-09-08 03:09:52,284 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 03:09:52,288 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 03:09:52,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 03:09:52,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 03:09:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 03:09:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 03:09:52,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-09-08 03:09:52,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 03:09:52,315 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 03:09:52,315 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 03:09:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 03:09:52,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 03:09:52,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 03:09:52,356 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 03:09:52,357 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-08 03:09:52,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 03:09:52,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 03:09:52,358 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-08 03:09:52,358 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 03:09:52,358 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 03:09:52,358 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2019-09-08 03:09:52,358 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2019-09-08 03:09:52,359 INFO L439 ceAbstractionStarter]: At program point L40(lines 22 139) 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 03:09:52,359 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2019-09-08 03:09:52,359 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2019-09-08 03:09:52,359 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2019-09-08 03:09:52,360 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2019-09-08 03:09:52,360 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2019-09-08 03:09:52,360 INFO L446 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2019-09-08 03:09:52,360 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2019-09-08 03:09:52,360 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-09-08 03:09:52,361 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2019-09-08 03:09:52,361 INFO L439 ceAbstractionStarter]: At program point L50(lines 22 139) 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 03:09:52,361 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2019-09-08 03:09:52,361 INFO L446 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2019-09-08 03:09:52,362 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2019-09-08 03:09:52,362 INFO L439 ceAbstractionStarter]: At program point L59(lines 34 110) 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 03:09:52,362 INFO L446 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2019-09-08 03:09:52,362 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2019-09-08 03:09:52,363 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2019-09-08 03:09:52,363 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2019-09-08 03:09:52,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 03:09:52 BoogieIcfgContainer [2019-09-08 03:09:52,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 03:09:52,382 INFO L168 Benchmark]: Toolchain (without parser) took 1759.00 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 89.1 MB in the beginning and 125.0 MB in the end (delta: -35.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:52,383 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 03:09:52,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.27 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 88.9 MB in the beginning and 179.2 MB in the end (delta: -90.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:52,385 INFO L168 Benchmark]: Boogie Preprocessor took 41.88 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 177.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:52,386 INFO L168 Benchmark]: RCFGBuilder took 351.75 ms. Allocated memory is still 200.8 MB. Free memory was 177.1 MB in the beginning and 161.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:52,387 INFO L168 Benchmark]: TraceAbstraction took 960.26 ms. Allocated memory is still 200.8 MB. Free memory was 161.1 MB in the beginning and 125.0 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-09-08 03:09:52,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 401.27 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 88.9 MB in the beginning and 179.2 MB in the end (delta: -90.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.88 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 177.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.75 ms. Allocated memory is still 200.8 MB. Free memory was 177.1 MB in the beginning and 161.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 960.26 ms. Allocated memory is still 200.8 MB. Free memory was 161.1 MB in the beginning and 125.0 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((-4294967296 * (main__x / 4294967296) + main__x) / 3) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 0.8s 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...