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-INT-LIM.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 20:44:04,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 20:44:04,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 20:44:04,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 20:44:04,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 20:44:04,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 20:44:04,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 20:44:04,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 20:44:04,794 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 20:44:04,795 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 20:44:04,798 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 20:44:04,798 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 20:44:04,799 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 20:44:04,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 20:44:04,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 20:44:04,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 20:44:04,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 20:44:04,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 20:44:04,817 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 20:44:04,818 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 20:44:04,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 20:44:04,823 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 20:44:04,824 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 20:44:04,825 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 20:44:04,827 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 20:44:04,828 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 20:44:04,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 20:44:04,829 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 20:44:04,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 20:44:04,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 20:44:04,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 20:44:04,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 20:44:04,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 20:44:04,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 20:44:04,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 20:44:04,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 20:44:04,837 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 20:44:04,864 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 20:44:04,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 20:44:04,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 20:44:04,866 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 20:44:04,866 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 20:44:04,866 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 20:44:04,867 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 20:44:04,867 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 20:44:04,867 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 20:44:04,867 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 20:44:04,867 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 20:44:04,868 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 20:44:04,868 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 20:44:04,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 20:44:04,869 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 20:44:04,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 20:44:04,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 20:44:04,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 20:44:04,871 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 20:44:04,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 20:44:04,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 20:44:04,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 20:44:04,872 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 20:44:04,872 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 20:44:04,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 20:44:04,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 20:44:04,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 20:44:04,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 20:44:04,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 20:44:04,874 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 20:44:04,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 20:44:04,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 20:44:04,875 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 20:44:04,875 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 20:44:04,875 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 20:44:04,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 20:44:04,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 20:44:04,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 20:44:04,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 20:44:04,968 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 20:44:04,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+lhb-reducer.c [2018-11-12 20:44:05,034 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c4fbf40/9476767012d84f4fa2d8734017fec2b8/FLAG7a9c5f7fc [2018-11-12 20:44:05,539 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 20:44:05,539 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+lhb-reducer.c [2018-11-12 20:44:05,548 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c4fbf40/9476767012d84f4fa2d8734017fec2b8/FLAG7a9c5f7fc [2018-11-12 20:44:05,563 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c4fbf40/9476767012d84f4fa2d8734017fec2b8 [2018-11-12 20:44:05,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 20:44:05,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 20:44:05,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 20:44:05,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 20:44:05,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 20:44:05,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73685c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05, skipping insertion in model container [2018-11-12 20:44:05,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 20:44:05,623 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 20:44:05,824 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 20:44:05,830 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 20:44:05,863 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 20:44:05,883 INFO L193 MainTranslator]: Completed translation [2018-11-12 20:44:05,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05 WrapperNode [2018-11-12 20:44:05,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 20:44:05,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 20:44:05,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 20:44:05,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 20:44:05,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 20:44:05,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 20:44:05,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 20:44:05,928 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 20:44:05,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (1/1) ... [2018-11-12 20:44:05,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 20:44:05,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 20:44:05,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 20:44:05,958 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 20:44:05,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (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 [2018-11-12 20:44:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 20:44:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 20:44:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 20:44:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 20:44:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 20:44:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 20:44:06,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 20:44:06,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:44:06 BoogieIcfgContainer [2018-11-12 20:44:06,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 20:44:06,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 20:44:06,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 20:44:06,579 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 20:44:06,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:44:05" (1/3) ... [2018-11-12 20:44:06,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a058d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:44:06, skipping insertion in model container [2018-11-12 20:44:06,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:05" (2/3) ... [2018-11-12 20:44:06,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a058d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:44:06, skipping insertion in model container [2018-11-12 20:44:06,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:44:06" (3/3) ... [2018-11-12 20:44:06,584 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+lhb-reducer.c [2018-11-12 20:44:06,594 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 20:44:06,602 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 20:44:06,617 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 20:44:06,655 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 20:44:06,655 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 20:44:06,655 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 20:44:06,655 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 20:44:06,655 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 20:44:06,656 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 20:44:06,656 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 20:44:06,656 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 20:44:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-12 20:44:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-12 20:44:06,683 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 20:44:06,684 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 20:44:06,687 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 20:44:06,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 20:44:06,694 INFO L82 PathProgramCache]: Analyzing trace with hash 446778609, now seen corresponding path program 1 times [2018-11-12 20:44:06,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 20:44:06,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 20:44:06,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 20:44:06,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 20:44:06,751 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 20:44:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 20:44:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 20:44:07,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 20:44:07,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 20:44:07,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 20:44:07,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 20:44:07,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 20:44:07,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-12 20:44:07,145 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-12 20:44:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 20:44:13,548 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2018-11-12 20:44:13,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 20:44:13,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-12 20:44:13,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 20:44:13,559 INFO L225 Difference]: With dead ends: 62 [2018-11-12 20:44:13,560 INFO L226 Difference]: Without dead ends: 30 [2018-11-12 20:44:13,563 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 [2018-11-12 20:44:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-12 20:44:13,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-11-12 20:44:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-12 20:44:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2018-11-12 20:44:13,600 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 15 [2018-11-12 20:44:13,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 20:44:13,600 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2018-11-12 20:44:13,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 20:44:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-11-12 20:44:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-12 20:44:13,601 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 20:44:13,602 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 20:44:13,602 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 20:44:13,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 20:44:13,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1003929308, now seen corresponding path program 1 times [2018-11-12 20:44:13,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 20:44:13,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 20:44:13,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 20:44:13,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 20:44:13,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 20:44:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 20:44:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 20:44:13,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 20:44:13,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 20:44:13,904 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 20:44:13,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 20:44:13,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 20:44:13,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-12 20:44:13,908 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand 4 states. [2018-11-12 20:44:14,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 20:44:14,428 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2018-11-12 20:44:14,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 20:44:14,429 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-12 20:44:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 20:44:14,430 INFO L225 Difference]: With dead ends: 49 [2018-11-12 20:44:14,430 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 20:44:14,431 INFO L604 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 [2018-11-12 20:44:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 20:44:14,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 20:44:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 20:44:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 20:44:14,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-12 20:44:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 20:44:14,433 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 20:44:14,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 20:44:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 20:44:14,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 20:44:14,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 20:44:14,600 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 20:44:14,600 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-12 20:44:14,601 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 20:44:14,601 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 20:44:14,601 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-12 20:44:14,601 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 20:44:14,601 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 20:44:14,601 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-12 20:44:14,602 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2018-11-12 20:44:14,602 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2018-11-12 20:44:14,602 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2018-11-12 20:44:14,602 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2018-11-12 20:44:14,602 INFO L428 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2018-11-12 20:44:14,602 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2018-11-12 20:44:14,604 INFO L428 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2018-11-12 20:44:14,604 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2018-11-12 20:44:14,604 INFO L428 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2018-11-12 20:44:14,604 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2018-11-12 20:44:14,605 INFO L421 ceAbstractionStarter]: At program point L120(lines 23 143) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= .cse0 (+ (* 4294967296 (div (+ .cse0 (- 2863311531)) 4294967296)) 4294967295))) [2018-11-12 20:44:14,605 INFO L421 ceAbstractionStarter]: At program point L54(lines 24 112) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= .cse0 (+ (* 4294967296 (div (+ .cse0 (- 2863311531)) 4294967296)) 4294967295))) [2018-11-12 20:44:14,605 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2018-11-12 20:44:14,605 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2018-11-12 20:44:14,606 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2018-11-12 20:44:14,606 INFO L421 ceAbstractionStarter]: At program point L42(lines 24 112) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-12 20:44:14,606 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-11-12 20:44:14,606 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2018-11-12 20:44:14,606 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2018-11-12 20:44:14,607 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2018-11-12 20:44:14,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 08:44:14 BoogieIcfgContainer [2018-11-12 20:44:14,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 20:44:14,626 INFO L168 Benchmark]: Toolchain (without parser) took 9050.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -730.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2018-11-12 20:44:14,628 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-11-12 20:44:14,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.19 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. [2018-11-12 20:44:14,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.45 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. [2018-11-12 20:44:14,632 INFO L168 Benchmark]: Boogie Preprocessor took 29.64 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. [2018-11-12 20:44:14,632 INFO L168 Benchmark]: RCFGBuilder took 616.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -793.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2018-11-12 20:44:14,633 INFO L168 Benchmark]: TraceAbstraction took 8048.27 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-11-12 20:44:14,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 307.19 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 42.45 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 29.64 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 616.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -793.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8048.27 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 14 SDslu, 86 SDs, 0 SdLazy, 39 SolverSat, 5 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 52 HoareAnnotationTreeSize, 10 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2103 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...