java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 10:41:59,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 10:41:59,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 10:41:59,941 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 10:41:59,941 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 10:41:59,943 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 10:41:59,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 10:41:59,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 10:41:59,949 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 10:41:59,951 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 10:41:59,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 10:41:59,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 10:41:59,958 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 10:41:59,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 10:41:59,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 10:41:59,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 10:41:59,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 10:41:59,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 10:41:59,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 10:41:59,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 10:41:59,968 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 10:41:59,969 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 10:41:59,971 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 10:41:59,971 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 10:41:59,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 10:41:59,972 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 10:41:59,973 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 10:41:59,974 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 10:41:59,975 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 10:41:59,976 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 10:41:59,976 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 10:41:59,977 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 10:41:59,977 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 10:41:59,977 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 10:41:59,978 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 10:41:59,979 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 10:41:59,979 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 10:41:59,994 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 10:41:59,994 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 10:41:59,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 10:41:59,995 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 10:41:59,995 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 10:41:59,996 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 10:41:59,996 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 10:41:59,996 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 10:41:59,996 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 10:41:59,996 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 10:41:59,997 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 10:41:59,997 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 10:41:59,997 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 10:41:59,997 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 10:41:59,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 10:41:59,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 10:41:59,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 10:41:59,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 10:41:59,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 10:41:59,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 10:41:59,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 10:41:59,999 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 10:42:00,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 10:42:00,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 10:42:00,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 10:42:00,000 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 10:42:00,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 10:42:00,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 10:42:00,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 10:42:00,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 10:42:00,001 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 10:42:00,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 10:42:00,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 10:42:00,002 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 10:42:00,002 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 10:42:00,002 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 10:42:00,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 10:42:00,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 10:42:00,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 10:42:00,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 10:42:00,064 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 10:42:00,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-07 10:42:00,128 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d00a2fa/9e9da7e8168d428ab237f0dedd8a23ea/FLAGda4129103 [2018-11-07 10:42:00,553 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 10:42:00,553 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-07 10:42:00,561 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d00a2fa/9e9da7e8168d428ab237f0dedd8a23ea/FLAGda4129103 [2018-11-07 10:42:00,575 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d00a2fa/9e9da7e8168d428ab237f0dedd8a23ea [2018-11-07 10:42:00,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 10:42:00,589 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 10:42:00,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 10:42:00,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 10:42:00,594 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 10:42:00,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54881fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00, skipping insertion in model container [2018-11-07 10:42:00,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 10:42:00,638 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 10:42:00,890 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:42:00,895 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 10:42:00,934 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 10:42:00,955 INFO L193 MainTranslator]: Completed translation [2018-11-07 10:42:00,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00 WrapperNode [2018-11-07 10:42:00,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 10:42:00,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 10:42:00,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 10:42:00,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 10:42:00,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 10:42:00,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 10:42:00,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 10:42:00,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 10:42:00,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:00,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:01,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:01,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... [2018-11-07 10:42:01,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 10:42:01,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 10:42:01,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 10:42:01,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 10:42:01,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 10:42:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 10:42:01,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 10:42:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 10:42:01,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 10:42:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 10:42:01,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 10:42:01,582 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 10:42:01,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:42:01 BoogieIcfgContainer [2018-11-07 10:42:01,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 10:42:01,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 10:42:01,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 10:42:01,587 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 10:42:01,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:42:00" (1/3) ... [2018-11-07 10:42:01,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531059b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:42:01, skipping insertion in model container [2018-11-07 10:42:01,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:42:00" (2/3) ... [2018-11-07 10:42:01,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531059b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:42:01, skipping insertion in model container [2018-11-07 10:42:01,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:42:01" (3/3) ... [2018-11-07 10:42:01,591 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-07 10:42:01,600 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 10:42:01,608 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 10:42:01,622 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 10:42:01,652 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 10:42:01,652 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 10:42:01,653 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 10:42:01,653 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 10:42:01,653 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 10:42:01,653 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 10:42:01,653 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 10:42:01,653 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 10:42:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-07 10:42:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-07 10:42:01,679 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 10:42:01,680 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 10:42:01,685 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 10:42:01,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 10:42:01,693 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2018-11-07 10:42:01,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 10:42:01,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:42:01,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 10:42:01,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 10:42:01,749 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 10:42:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 10:42:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 10:42:02,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 10:42:02,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 10:42:02,123 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 10:42:02,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 10:42:02,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 10:42:02,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-07 10:42:02,144 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-07 10:42:04,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 10:42:04,470 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2018-11-07 10:42:04,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 10:42:04,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-07 10:42:04,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 10:42:04,479 INFO L225 Difference]: With dead ends: 52 [2018-11-07 10:42:04,479 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 10:42:04,483 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 10:42:04,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 10:42:04,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 10:42:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 10:42:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 10:42:04,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-07 10:42:04,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 10:42:04,510 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 10:42:04,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 10:42:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 10:42:04,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 10:42:04,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 10:42:04,701 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 10:42:04,702 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-07 10:42:04,702 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 10:42:04,702 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 10:42:04,702 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-07 10:42:04,703 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 10:42:04,703 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 10:42:04,703 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-11-07 10:42:04,703 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2018-11-07 10:42:04,704 INFO L421 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-07 10:42:04,704 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-11-07 10:42:04,704 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-11-07 10:42:04,704 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-11-07 10:42:04,705 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-11-07 10:42:04,705 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-11-07 10:42:04,705 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-11-07 10:42:04,705 INFO L428 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-11-07 10:42:04,706 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-11-07 10:42:04,706 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-07 10:42:04,706 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-11-07 10:42:04,706 INFO L421 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-07 10:42:04,706 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2018-11-07 10:42:04,706 INFO L428 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-11-07 10:42:04,707 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2018-11-07 10:42:04,707 INFO L421 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-07 10:42:04,707 INFO L428 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-11-07 10:42:04,707 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-11-07 10:42:04,707 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-11-07 10:42:04,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:42:04 BoogieIcfgContainer [2018-11-07 10:42:04,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 10:42:04,723 INFO L168 Benchmark]: Toolchain (without parser) took 4134.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -752.1 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2018-11-07 10:42:04,725 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. [2018-11-07 10:42:04,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-07 10:42:04,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 10:42:04,727 INFO L168 Benchmark]: Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 10:42:04,728 INFO L168 Benchmark]: RCFGBuilder took 578.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-11-07 10:42:04,729 INFO L168 Benchmark]: TraceAbstraction took 3138.35 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: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2018-11-07 10:42:04,734 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 366.03 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 25.43 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 22.06 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 578.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3138.35 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: 43.1 MB). Peak memory consumption was 43.1 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: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - 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, 3.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 10 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 52 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1008 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...