java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b6335f6 [2018-10-23 09:43:32,053 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 09:43:32,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 09:43:32,069 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 09:43:32,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 09:43:32,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 09:43:32,071 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 09:43:32,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 09:43:32,074 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 09:43:32,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 09:43:32,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 09:43:32,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 09:43:32,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 09:43:32,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 09:43:32,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 09:43:32,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 09:43:32,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 09:43:32,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 09:43:32,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 09:43:32,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 09:43:32,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 09:43:32,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 09:43:32,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 09:43:32,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 09:43:32,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 09:43:32,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 09:43:32,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 09:43:32,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 09:43:32,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 09:43:32,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 09:43:32,096 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 09:43:32,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 09:43:32,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 09:43:32,098 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 09:43:32,099 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 09:43:32,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 09:43:32,100 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 09:43:32,125 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 09:43:32,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 09:43:32,126 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 09:43:32,126 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 09:43:32,127 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 09:43:32,127 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 09:43:32,127 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 09:43:32,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 09:43:32,128 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 09:43:32,128 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 09:43:32,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 09:43:32,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 09:43:32,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 09:43:32,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 09:43:32,129 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 09:43:32,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 09:43:32,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 09:43:32,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 09:43:32,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 09:43:32,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 09:43:32,130 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 09:43:32,130 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 09:43:32,130 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 09:43:32,130 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 09:43:32,131 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 09:43:32,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 09:43:32,131 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 09:43:32,131 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 09:43:32,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 09:43:32,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 09:43:32,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 09:43:32,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 09:43:32,217 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 09:43:32,218 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-23 09:43:32,274 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a694f3190/3bbd119059aa4cc5950486eb8f588f21/FLAGae6d13336 [2018-10-23 09:43:32,676 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 09:43:32,677 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-23 09:43:32,684 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a694f3190/3bbd119059aa4cc5950486eb8f588f21/FLAGae6d13336 [2018-10-23 09:43:32,699 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a694f3190/3bbd119059aa4cc5950486eb8f588f21 [2018-10-23 09:43:32,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 09:43:32,709 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 09:43:32,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 09:43:32,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 09:43:32,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 09:43:32,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:32,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331e493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32, skipping insertion in model container [2018-10-23 09:43:32,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:32,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 09:43:32,756 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 09:43:32,944 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 09:43:32,948 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 09:43:32,975 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 09:43:32,990 INFO L193 MainTranslator]: Completed translation [2018-10-23 09:43:32,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32 WrapperNode [2018-10-23 09:43:32,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 09:43:32,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 09:43:32,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 09:43:32,992 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 09:43:33,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 09:43:33,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 09:43:33,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 09:43:33,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 09:43:33,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... [2018-10-23 09:43:33,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 09:43:33,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 09:43:33,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 09:43:33,046 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 09:43:33,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 09:43:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 09:43:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 09:43:33,530 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 09:43:33,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:43:33 BoogieIcfgContainer [2018-10-23 09:43:33,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 09:43:33,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 09:43:33,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 09:43:33,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 09:43:33,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:43:32" (1/3) ... [2018-10-23 09:43:33,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543d6bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:43:33, skipping insertion in model container [2018-10-23 09:43:33,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:43:32" (2/3) ... [2018-10-23 09:43:33,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543d6bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:43:33, skipping insertion in model container [2018-10-23 09:43:33,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:43:33" (3/3) ... [2018-10-23 09:43:33,539 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-23 09:43:33,550 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 09:43:33,559 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 09:43:33,579 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 09:43:33,629 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 09:43:33,630 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 09:43:33,630 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 09:43:33,630 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 09:43:33,631 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 09:43:33,631 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 09:43:33,631 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 09:43:33,631 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 09:43:33,631 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 09:43:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-23 09:43:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-23 09:43:33,652 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:43:33,653 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:43:33,655 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:43:33,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:43:33,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1060254097, now seen corresponding path program 1 times [2018-10-23 09:43:33,662 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:43:33,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:43:33,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:43:33,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:43:33,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:43:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:43:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:43:36,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:43:36,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 09:43:36,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 09:43:36,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 09:43:36,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=6, Unknown=1, NotChecked=0, Total=12 [2018-10-23 09:43:36,210 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2018-10-23 09:43:41,352 WARN L179 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 09:43:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:43:45,884 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2018-10-23 09:43:45,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 09:43:45,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-10-23 09:43:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:43:45,895 INFO L225 Difference]: With dead ends: 57 [2018-10-23 09:43:45,895 INFO L226 Difference]: Without dead ends: 25 [2018-10-23 09:43:45,899 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=9, Invalid=10, Unknown=1, NotChecked=0, Total=20 [2018-10-23 09:43:45,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-23 09:43:45,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-10-23 09:43:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-10-23 09:43:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2018-10-23 09:43:45,938 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 11 [2018-10-23 09:43:45,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:43:45,939 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2018-10-23 09:43:45,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 09:43:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-10-23 09:43:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-23 09:43:45,940 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:43:45,940 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:43:45,941 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:43:45,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:43:45,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1251142831, now seen corresponding path program 1 times [2018-10-23 09:43:45,942 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:43:45,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:43:45,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:43:45,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:43:45,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:43:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:43:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:43:46,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:43:46,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 09:43:46,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 09:43:46,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 09:43:46,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 09:43:46,205 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. Second operand 4 states. [2018-10-23 09:43:47,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:43:47,929 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2018-10-23 09:43:47,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 09:43:47,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-10-23 09:43:47,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:43:47,930 INFO L225 Difference]: With dead ends: 44 [2018-10-23 09:43:47,931 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 09:43:47,932 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 09:43:47,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 09:43:47,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 09:43:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 09:43:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 09:43:47,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-10-23 09:43:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:43:47,933 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 09:43:47,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 09:43:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 09:43:47,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 09:43:47,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 09:43:48,037 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-10-23 09:43:48,037 INFO L428 ceAbstractionStarter]: At program point L143(lines 13 145) the Hoare annotation is: true [2018-10-23 09:43:48,037 INFO L421 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 ULTIMATE.start_main_~main__x~0))) (<= (+ (* 4294967296 (div .cse0 4294967296)) 2863311531) .cse0)) [2018-10-23 09:43:48,038 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-10-23 09:43:48,038 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 09:43:48,038 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 09:43:48,038 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 09:43:48,038 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-10-23 09:43:48,038 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-10-23 09:43:48,039 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-10-23 09:43:48,039 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-10-23 09:43:48,039 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-10-23 09:43:48,039 INFO L428 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-10-23 09:43:48,039 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-10-23 09:43:48,039 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 09:43:48,040 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-10-23 09:43:48,040 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-10-23 09:43:48,040 INFO L421 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 ULTIMATE.start_main_~main__x~0))) (<= (* 4294967296 (div (+ .cse0 4294967296) 4294967296)) (+ .cse0 1431655765))) [2018-10-23 09:43:48,040 INFO L428 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-10-23 09:43:48,041 INFO L421 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (let ((.cse0 (* 1431655765 ULTIMATE.start_main_~main__x~0))) (<= (+ (* 4294967296 (div .cse0 4294967296)) 2863311531) .cse0)) [2018-10-23 09:43:48,041 INFO L428 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-10-23 09:43:48,041 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-10-23 09:43:48,041 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-10-23 09:43:48,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 09:43:48 BoogieIcfgContainer [2018-10-23 09:43:48,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 09:43:48,057 INFO L168 Benchmark]: Toolchain (without parser) took 15349.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -739.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2018-10-23 09:43:48,059 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 09:43:48,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-23 09:43:48,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 09:43:48,061 INFO L168 Benchmark]: Boogie Preprocessor took 19.54 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 09:43:48,062 INFO L168 Benchmark]: RCFGBuilder took 485.47 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 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 27.0 MB. Max. memory is 7.1 GB. [2018-10-23 09:43:48,063 INFO L168 Benchmark]: TraceAbstraction took 14524.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-23 09:43:48,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 281.85 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 33.84 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 19.54 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 485.47 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 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 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14524.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 4294967296 * (1431655765 * main__x / 4294967296) + 2863311531 <= 1431655765 * main__x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 4294967296 * ((1431655765 * main__x + 4294967296) / 4294967296) <= 1431655765 * main__x + 1431655765 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 4294967296 * (1431655765 * main__x / 4294967296) + 2863311531 <= 1431655765 * main__x - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. SAFE Result, 14.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 11.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 16 SDslu, 55 SDs, 0 SdLazy, 45 SolverSat, 6 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 17 NumberOfFragments, 45 HoareAnnotationTreeSize, 7 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...