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/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 08:03:19,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 08:03:19,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 08:03:19,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 08:03:19,970 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 08:03:19,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 08:03:19,974 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 08:03:19,976 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 08:03:19,978 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 08:03:19,979 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 08:03:19,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 08:03:19,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 08:03:19,983 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 08:03:19,984 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 08:03:19,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 08:03:19,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 08:03:19,996 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 08:03:19,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 08:03:20,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 08:03:20,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 08:03:20,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 08:03:20,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 08:03:20,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 08:03:20,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 08:03:20,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 08:03:20,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 08:03:20,013 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 08:03:20,014 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 08:03:20,015 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 08:03:20,016 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 08:03:20,016 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 08:03:20,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 08:03:20,017 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 08:03:20,017 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 08:03:20,018 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 08:03:20,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 08:03:20,019 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 08:03:20,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 08:03:20,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 08:03:20,036 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 08:03:20,036 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 08:03:20,036 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 08:03:20,036 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 08:03:20,037 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 08:03:20,037 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 08:03:20,037 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 08:03:20,037 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 08:03:20,037 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 08:03:20,037 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 08:03:20,038 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 08:03:20,038 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 08:03:20,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 08:03:20,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 08:03:20,039 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 08:03:20,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 08:03:20,039 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 08:03:20,039 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 08:03:20,040 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 08:03:20,040 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 08:03:20,040 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 08:03:20,040 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 08:03:20,040 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 08:03:20,041 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 08:03:20,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:03:20,041 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 08:03:20,041 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 08:03:20,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 08:03:20,042 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 08:03:20,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 08:03:20,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 08:03:20,042 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 08:03:20,042 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 08:03:20,042 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 08:03:20,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 08:03:20,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 08:03:20,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 08:03:20,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 08:03:20,106 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 08:03:20,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-10-27 08:03:20,163 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8b96bedd0/6356ee835bc8496d82441b7566640343/FLAGc3467c4bc [2018-10-27 08:03:20,771 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 08:03:20,771 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-10-27 08:03:20,787 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8b96bedd0/6356ee835bc8496d82441b7566640343/FLAGc3467c4bc [2018-10-27 08:03:20,812 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8b96bedd0/6356ee835bc8496d82441b7566640343 [2018-10-27 08:03:20,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 08:03:20,825 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 08:03:20,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 08:03:20,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 08:03:20,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 08:03:20,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:03:20" (1/1) ... [2018-10-27 08:03:20,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11290b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:20, skipping insertion in model container [2018-10-27 08:03:20,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:03:20" (1/1) ... [2018-10-27 08:03:20,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 08:03:20,913 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 08:03:21,404 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:03:21,410 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 08:03:21,602 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:03:21,622 INFO L193 MainTranslator]: Completed translation [2018-10-27 08:03:21,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21 WrapperNode [2018-10-27 08:03:21,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 08:03:21,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 08:03:21,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 08:03:21,624 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 08:03:21,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 08:03:21,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 08:03:21,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 08:03:21,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 08:03:21,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (1/1) ... [2018-10-27 08:03:21,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 08:03:21,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 08:03:21,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 08:03:22,000 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 08:03:22,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (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 [2018-10-27 08:03:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 08:03:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 08:03:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 08:03:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 08:03:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 08:03:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 08:03:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 08:03:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 08:03:25,736 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 08:03:25,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:03:25 BoogieIcfgContainer [2018-10-27 08:03:25,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 08:03:25,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 08:03:25,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 08:03:25,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 08:03:25,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:03:20" (1/3) ... [2018-10-27 08:03:25,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edb8343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:03:25, skipping insertion in model container [2018-10-27 08:03:25,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:03:21" (2/3) ... [2018-10-27 08:03:25,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edb8343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:03:25, skipping insertion in model container [2018-10-27 08:03:25,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:03:25" (3/3) ... [2018-10-27 08:03:25,751 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label16_true-unreach-call_false-termination.c [2018-10-27 08:03:25,761 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 08:03:25,770 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 08:03:25,789 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 08:03:25,829 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 08:03:25,830 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 08:03:25,830 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 08:03:25,830 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 08:03:25,830 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 08:03:25,830 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 08:03:25,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 08:03:25,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 08:03:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-27 08:03:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 08:03:25,872 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:03:25,873 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:03:25,876 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:03:25,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:03:25,883 INFO L82 PathProgramCache]: Analyzing trace with hash -31911287, now seen corresponding path program 1 times [2018-10-27 08:03:25,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:03:25,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:25,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:03:25,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:25,943 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:03:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:03:26,337 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:03:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:03:26,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:03:26,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 08:03:26,369 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:03:26,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:03:26,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:03:26,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:03:26,395 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-10-27 08:03:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:03:28,201 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-10-27 08:03:28,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:03:28,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-10-27 08:03:28,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:03:28,226 INFO L225 Difference]: With dead ends: 691 [2018-10-27 08:03:28,226 INFO L226 Difference]: Without dead ends: 434 [2018-10-27 08:03:28,235 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:03:28,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-10-27 08:03:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-10-27 08:03:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-10-27 08:03:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 767 transitions. [2018-10-27 08:03:28,319 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 767 transitions. Word has length 53 [2018-10-27 08:03:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:03:28,320 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 767 transitions. [2018-10-27 08:03:28,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:03:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 767 transitions. [2018-10-27 08:03:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 08:03:28,329 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:03:28,329 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:03:28,330 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:03:28,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:03:28,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1819744651, now seen corresponding path program 1 times [2018-10-27 08:03:28,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:03:28,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:28,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:03:28,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:28,332 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:03:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:03:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:03:28,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:03:28,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 08:03:28,617 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:03:28,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 08:03:28,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 08:03:28,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 08:03:28,622 INFO L87 Difference]: Start difference. First operand 434 states and 767 transitions. Second operand 5 states. [2018-10-27 08:03:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:03:34,551 INFO L93 Difference]: Finished difference Result 1416 states and 2580 transitions. [2018-10-27 08:03:34,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 08:03:34,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-10-27 08:03:34,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:03:34,567 INFO L225 Difference]: With dead ends: 1416 [2018-10-27 08:03:34,568 INFO L226 Difference]: Without dead ends: 988 [2018-10-27 08:03:34,623 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 08:03:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-10-27 08:03:34,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 973. [2018-10-27 08:03:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2018-10-27 08:03:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1540 transitions. [2018-10-27 08:03:34,709 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1540 transitions. Word has length 130 [2018-10-27 08:03:34,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:03:34,709 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 1540 transitions. [2018-10-27 08:03:34,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 08:03:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1540 transitions. [2018-10-27 08:03:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 08:03:34,716 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:03:34,716 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:03:34,716 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:03:34,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:03:34,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1183375861, now seen corresponding path program 1 times [2018-10-27 08:03:34,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:03:34,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:34,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:03:34,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:34,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:03:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:03:35,146 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:03:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:03:35,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:03:35,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:03:35,594 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:03:35,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:03:35,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:03:35,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:03:35,599 INFO L87 Difference]: Start difference. First operand 973 states and 1540 transitions. Second operand 6 states. [2018-10-27 08:03:40,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:03:40,839 INFO L93 Difference]: Finished difference Result 2353 states and 3939 transitions. [2018-10-27 08:03:40,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:03:40,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-10-27 08:03:40,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:03:40,859 INFO L225 Difference]: With dead ends: 2353 [2018-10-27 08:03:40,860 INFO L226 Difference]: Without dead ends: 1386 [2018-10-27 08:03:40,864 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:03:40,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2018-10-27 08:03:40,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1352. [2018-10-27 08:03:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2018-10-27 08:03:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2126 transitions. [2018-10-27 08:03:40,938 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2126 transitions. Word has length 194 [2018-10-27 08:03:40,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:03:40,939 INFO L481 AbstractCegarLoop]: Abstraction has 1352 states and 2126 transitions. [2018-10-27 08:03:40,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:03:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2126 transitions. [2018-10-27 08:03:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 08:03:40,947 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:03:40,947 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:03:40,948 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:03:40,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:03:40,948 INFO L82 PathProgramCache]: Analyzing trace with hash -968390828, now seen corresponding path program 1 times [2018-10-27 08:03:40,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:03:40,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:40,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:03:40,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:03:40,950 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:03:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:03:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:03:41,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:03:41,289 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:03:41,290 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-10-27 08:03:41,292 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:03:41,340 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:03:41,340 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:03:41,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:03:41,771 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 08:03:41,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:03:41,806 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:03:42,441 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 78.09% of their original sizes. [2018-10-27 08:03:42,443 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:03:42,616 INFO L415 sIntCurrentIteration]: We unified 213 AI predicates to 213 [2018-10-27 08:03:42,617 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:03:42,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:03:42,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 08:03:42,618 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:03:42,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:03:42,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:03:42,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:03:42,620 INFO L87 Difference]: Start difference. First operand 1352 states and 2126 transitions. Second operand 6 states. [2018-10-27 08:04:10,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:04:10,668 INFO L93 Difference]: Finished difference Result 2883 states and 4473 transitions. [2018-10-27 08:04:10,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:04:10,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2018-10-27 08:04:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:04:10,678 INFO L225 Difference]: With dead ends: 2883 [2018-10-27 08:04:10,678 INFO L226 Difference]: Without dead ends: 1537 [2018-10-27 08:04:10,684 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 08:04:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2018-10-27 08:04:10,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1535. [2018-10-27 08:04:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2018-10-27 08:04:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2316 transitions. [2018-10-27 08:04:10,729 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2316 transitions. Word has length 214 [2018-10-27 08:04:10,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:04:10,730 INFO L481 AbstractCegarLoop]: Abstraction has 1535 states and 2316 transitions. [2018-10-27 08:04:10,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:04:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2316 transitions. [2018-10-27 08:04:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-27 08:04:10,737 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:04:10,737 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:04:10,737 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:04:10,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:04:10,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1410013698, now seen corresponding path program 1 times [2018-10-27 08:04:10,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:04:10,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:04:10,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:04:10,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:04:10,740 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:04:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:04:11,354 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 08:04:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 225 proven. 146 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:04:11,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:04:11,920 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:04:11,921 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-10-27 08:04:11,921 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:04:11,927 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:04:11,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:04:12,036 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:04:12,037 INFO L272 AbstractInterpreter]: Visited 94 different actions 181 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:04:12,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:04:12,066 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:04:12,399 INFO L227 lantSequenceWeakener]: Weakened 296 states. On average, predicates are now at 77.92% of their original sizes. [2018-10-27 08:04:12,399 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:04:12,922 INFO L415 sIntCurrentIteration]: We unified 298 AI predicates to 298 [2018-10-27 08:04:12,923 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:04:12,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:04:12,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-10-27 08:04:12,923 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:04:12,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 08:04:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 08:04:12,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 08:04:12,925 INFO L87 Difference]: Start difference. First operand 1535 states and 2316 transitions. Second operand 10 states. [2018-10-27 08:04:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:04:52,633 INFO L93 Difference]: Finished difference Result 3448 states and 5135 transitions. [2018-10-27 08:04:52,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 08:04:52,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 299 [2018-10-27 08:04:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:04:52,645 INFO L225 Difference]: With dead ends: 3448 [2018-10-27 08:04:52,645 INFO L226 Difference]: Without dead ends: 2102 [2018-10-27 08:04:52,651 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 307 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-10-27 08:04:52,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2018-10-27 08:04:52,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2099. [2018-10-27 08:04:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2099 states. [2018-10-27 08:04:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2933 transitions. [2018-10-27 08:04:52,705 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2933 transitions. Word has length 299 [2018-10-27 08:04:52,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:04:52,706 INFO L481 AbstractCegarLoop]: Abstraction has 2099 states and 2933 transitions. [2018-10-27 08:04:52,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 08:04:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2933 transitions. [2018-10-27 08:04:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-27 08:04:52,714 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:04:52,715 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:04:52,715 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:04:52,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:04:52,715 INFO L82 PathProgramCache]: Analyzing trace with hash 124735386, now seen corresponding path program 1 times [2018-10-27 08:04:52,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:04:52,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:04:52,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:04:52,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:04:52,717 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:04:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:04:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 293 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-27 08:04:53,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:04:53,513 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:04:53,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 352 with the following transitions: [2018-10-27 08:04:53,514 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:04:53,529 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:04:53,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:04:58,186 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:04:58,186 INFO L272 AbstractInterpreter]: Visited 120 different actions 361 times. Merged at 8 different actions 23 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-10-27 08:04:58,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:04:58,195 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:04:59,051 INFO L227 lantSequenceWeakener]: Weakened 348 states. On average, predicates are now at 80.48% of their original sizes. [2018-10-27 08:04:59,052 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:04:59,240 INFO L415 sIntCurrentIteration]: We unified 350 AI predicates to 350 [2018-10-27 08:04:59,240 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:04:59,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:04:59,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-10-27 08:04:59,241 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:04:59,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:04:59,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:04:59,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:04:59,242 INFO L87 Difference]: Start difference. First operand 2099 states and 2933 transitions. Second operand 9 states. [2018-10-27 08:05:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:05:15,637 INFO L93 Difference]: Finished difference Result 4861 states and 7003 transitions. [2018-10-27 08:05:15,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 08:05:15,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 351 [2018-10-27 08:05:15,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:05:15,651 INFO L225 Difference]: With dead ends: 4861 [2018-10-27 08:05:15,651 INFO L226 Difference]: Without dead ends: 2951 [2018-10-27 08:05:15,661 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 359 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-10-27 08:05:15,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2018-10-27 08:05:15,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2739. [2018-10-27 08:05:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2739 states. [2018-10-27 08:05:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3728 transitions. [2018-10-27 08:05:15,741 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3728 transitions. Word has length 351 [2018-10-27 08:05:15,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:05:15,742 INFO L481 AbstractCegarLoop]: Abstraction has 2739 states and 3728 transitions. [2018-10-27 08:05:15,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:05:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3728 transitions. [2018-10-27 08:05:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-10-27 08:05:15,757 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:05:15,758 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:05:15,758 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:05:15,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:05:15,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1859059598, now seen corresponding path program 1 times [2018-10-27 08:05:15,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:05:15,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:15,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:05:15,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:15,760 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:05:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:05:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 382 proven. 232 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-10-27 08:05:16,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:05:16,875 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:05:16,875 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 447 with the following transitions: [2018-10-27 08:05:16,876 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:05:16,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:05:16,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:05:20,649 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:05:20,649 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:05:20,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:05:20,656 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:05:22,734 INFO L227 lantSequenceWeakener]: Weakened 443 states. On average, predicates are now at 77.74% of their original sizes. [2018-10-27 08:05:22,735 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:05:22,840 INFO L415 sIntCurrentIteration]: We unified 445 AI predicates to 445 [2018-10-27 08:05:22,840 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:05:22,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:05:22,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-10-27 08:05:22,841 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:05:22,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 08:05:22,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 08:05:22,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 08:05:22,842 INFO L87 Difference]: Start difference. First operand 2739 states and 3728 transitions. Second operand 10 states. [2018-10-27 08:05:36,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:05:36,409 INFO L93 Difference]: Finished difference Result 5477 states and 7472 transitions. [2018-10-27 08:05:36,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 08:05:36,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 446 [2018-10-27 08:05:36,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:05:36,421 INFO L225 Difference]: With dead ends: 5477 [2018-10-27 08:05:36,421 INFO L226 Difference]: Without dead ends: 2927 [2018-10-27 08:05:36,428 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 453 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-27 08:05:36,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2927 states. [2018-10-27 08:05:36,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2927 to 2924. [2018-10-27 08:05:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2924 states. [2018-10-27 08:05:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 3927 transitions. [2018-10-27 08:05:36,496 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 3927 transitions. Word has length 446 [2018-10-27 08:05:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:05:36,497 INFO L481 AbstractCegarLoop]: Abstraction has 2924 states and 3927 transitions. [2018-10-27 08:05:36,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 08:05:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3927 transitions. [2018-10-27 08:05:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-10-27 08:05:36,512 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:05:36,512 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:05:36,513 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:05:36,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:05:36,513 INFO L82 PathProgramCache]: Analyzing trace with hash -110806031, now seen corresponding path program 1 times [2018-10-27 08:05:36,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:05:36,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:36,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:05:36,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:36,515 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:05:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:05:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-10-27 08:05:36,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:05:36,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 08:05:36,896 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:05:36,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 08:05:36,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 08:05:36,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:05:36,898 INFO L87 Difference]: Start difference. First operand 2924 states and 3927 transitions. Second operand 4 states. [2018-10-27 08:05:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:05:38,686 INFO L93 Difference]: Finished difference Result 5797 states and 8243 transitions. [2018-10-27 08:05:38,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 08:05:38,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 454 [2018-10-27 08:05:38,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:05:38,706 INFO L225 Difference]: With dead ends: 5797 [2018-10-27 08:05:38,706 INFO L226 Difference]: Without dead ends: 3802 [2018-10-27 08:05:38,720 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:05:38,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3802 states. [2018-10-27 08:05:38,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3802 to 3802. [2018-10-27 08:05:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3802 states. [2018-10-27 08:05:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3802 states and 4961 transitions. [2018-10-27 08:05:38,806 INFO L78 Accepts]: Start accepts. Automaton has 3802 states and 4961 transitions. Word has length 454 [2018-10-27 08:05:38,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:05:38,807 INFO L481 AbstractCegarLoop]: Abstraction has 3802 states and 4961 transitions. [2018-10-27 08:05:38,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 08:05:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3802 states and 4961 transitions. [2018-10-27 08:05:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2018-10-27 08:05:38,821 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:05:38,821 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:05:38,821 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:05:38,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:05:38,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1713986547, now seen corresponding path program 1 times [2018-10-27 08:05:38,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:05:38,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:38,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:05:38,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:38,824 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:05:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:05:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 328 proven. 278 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2018-10-27 08:05:39,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:05:39,697 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:05:39,697 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 537 with the following transitions: [2018-10-27 08:05:39,698 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:05:39,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:05:39,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:05:45,989 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:05:45,990 INFO L272 AbstractInterpreter]: Visited 125 different actions 505 times. Merged at 10 different actions 41 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-27 08:05:46,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:05:46,031 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:05:46,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:05:46,031 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:05:46,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:05:46,047 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:05:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:05:46,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:05:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 701 proven. 2 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2018-10-27 08:05:46,845 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:05:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 328 proven. 278 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2018-10-27 08:05:47,730 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:05:47,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 08:05:47,731 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:05:47,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:05:47,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:05:47,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-27 08:05:47,734 INFO L87 Difference]: Start difference. First operand 3802 states and 4961 transitions. Second operand 9 states. [2018-10-27 08:05:54,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:05:54,253 INFO L93 Difference]: Finished difference Result 10217 states and 14112 transitions. [2018-10-27 08:05:54,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-27 08:05:54,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 536 [2018-10-27 08:05:54,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:05:54,283 INFO L225 Difference]: With dead ends: 10217 [2018-10-27 08:05:54,283 INFO L226 Difference]: Without dead ends: 6420 [2018-10-27 08:05:54,310 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1122 GetRequests, 1089 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2018-10-27 08:05:54,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6420 states. [2018-10-27 08:05:54,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6420 to 6320. [2018-10-27 08:05:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6320 states. [2018-10-27 08:05:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6320 states to 6320 states and 7642 transitions. [2018-10-27 08:05:54,481 INFO L78 Accepts]: Start accepts. Automaton has 6320 states and 7642 transitions. Word has length 536 [2018-10-27 08:05:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:05:54,482 INFO L481 AbstractCegarLoop]: Abstraction has 6320 states and 7642 transitions. [2018-10-27 08:05:54,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:05:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 6320 states and 7642 transitions. [2018-10-27 08:05:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-10-27 08:05:54,501 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:05:54,501 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:05:54,502 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:05:54,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:05:54,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1110659752, now seen corresponding path program 1 times [2018-10-27 08:05:54,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:05:54,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:54,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:05:54,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:05:54,504 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:05:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:05:55,915 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-27 08:05:56,317 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-27 08:05:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 418 proven. 299 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-27 08:05:57,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:05:57,149 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:05:57,150 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-10-27 08:05:57,150 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 08:05:57,155 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:05:57,155 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:06:02,811 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:06:02,811 INFO L272 AbstractInterpreter]: Visited 191 different actions 761 times. Merged at 9 different actions 33 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 4 different actions. Largest state had 24 variables. [2018-10-27 08:06:02,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:06:02,825 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:06:02,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:06:02,825 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:06:02,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:06:02,833 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:06:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:06:02,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:06:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2018-10-27 08:06:03,192 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:06:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2018-10-27 08:06:03,627 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:06:03,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 14 [2018-10-27 08:06:03,628 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:06:03,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:06:03,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:06:03,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-10-27 08:06:03,629 INFO L87 Difference]: Start difference. First operand 6320 states and 7642 transitions. Second operand 3 states. [2018-10-27 08:06:05,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:06:05,407 INFO L93 Difference]: Finished difference Result 14993 states and 18543 transitions. [2018-10-27 08:06:05,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:06:05,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 554 [2018-10-27 08:06:05,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:06:05,408 INFO L225 Difference]: With dead ends: 14993 [2018-10-27 08:06:05,408 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 08:06:05,458 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1120 GetRequests, 1107 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-10-27 08:06:05,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 08:06:05,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 08:06:05,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 08:06:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 08:06:05,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 554 [2018-10-27 08:06:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:06:05,460 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 08:06:05,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:06:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 08:06:05,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 08:06:05,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 08:06:05,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:06:05,777 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 15 [2018-10-27 08:06:06,337 WARN L179 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 66 [2018-10-27 08:06:06,453 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-10-27 08:06:06,563 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2018-10-27 08:06:06,567 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 08:06:06,567 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-10-27 08:06:06,567 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 08:06:06,568 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-27 08:06:06,568 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-27 08:06:06,568 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,568 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,568 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,568 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-27 08:06:06,568 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,569 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-27 08:06:06,570 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-27 08:06:06,571 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,572 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,573 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-27 08:06:06,574 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-27 08:06:06,575 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-27 08:06:06,576 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-27 08:06:06,577 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-27 08:06:06,578 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-27 08:06:06,578 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-27 08:06:06,578 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-27 08:06:06,578 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-27 08:06:06,578 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (= 8 |old(~a15~0)|)) (.cse8 (= ~a12~0 |old(~a12~0)|)) (.cse9 (<= ~a21~0 |old(~a21~0)|)) (.cse10 (= |old(~a15~0)| ~a15~0))) (let ((.cse0 (and .cse8 .cse9 .cse10)) (.cse2 (= 5 |old(~a15~0)|)) (.cse5 (not (= 0 (+ |old(~a12~0)| 49)))) (.cse3 (= ~a24~0 1)) (.cse4 (not (= 1 |old(~a24~0)|))) (.cse7 (not .cse1)) (.cse6 (= |calculate_output_#in~input| 0))) (and (or (< 80 |old(~a12~0)|) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (and (= ~a21~0 6) .cse3) (or (not (= 6 |old(~a21~0)|)) (not .cse2)) .cse4 .cse5 .cse6) (or (or (= ~a21~0 7) (= ~a21~0 10)) .cse6 (and (or (not (= 10 |old(~a21~0)|)) .cse4 .cse7 .cse5) (or (not (= 7 |old(~a21~0)|)) .cse4 .cse7 .cse5))) (or (and .cse8 (not (= ~a21~0 8)) .cse9 .cse10) (= 8 |old(~a21~0)|) .cse1) (or (and .cse8 (not (= ~a21~0 0)) .cse9 .cse3 .cse10) (or (= 0 |old(~a21~0)|) .cse4 .cse7 .cse6))))) [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-27 08:06:06,579 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-27 08:06:06,580 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,581 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-27 08:06:06,582 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-27 08:06:06,583 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-27 08:06:06,584 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-27 08:06:06,585 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-27 08:06:06,586 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-27 08:06:06,587 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-27 08:06:06,588 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-27 08:06:06,589 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-27 08:06:06,590 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-27 08:06:06,591 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-27 08:06:06,592 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-27 08:06:06,593 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,594 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 08:06:06,595 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-10-27 08:06:06,596 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 08:06:06,596 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 08:06:06,596 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7))) [2018-10-27 08:06:06,596 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-10-27 08:06:06,596 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (not (= 5 ~a15~0))) (.cse0 (not (= ~a15~0 8)))) (or (and (not (= ~a21~0 8)) .cse0) (and .cse0 .cse1) (not (= 8 |old(~a15~0)|)) (and (not (= ~a21~0 0)) (not (= main_~input~0 0)) (= ~a24~0 1) .cse1) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (<= ~a12~0 80) .cse0))) [2018-10-27 08:06:06,596 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-10-27 08:06:06,597 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-27 08:06:06,597 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-27 08:06:06,597 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse1 (not (= 5 ~a15~0))) (.cse0 (not (= ~a15~0 8)))) (or (and (not (= ~a21~0 8)) .cse0) (and .cse0 .cse1) (not (= 8 |old(~a15~0)|)) (and (not (= ~a21~0 0)) (= ~a24~0 1) .cse1) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (<= ~a12~0 80) .cse0))) [2018-10-27 08:06:06,597 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-10-27 08:06:06,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:06:06 BoogieIcfgContainer [2018-10-27 08:06:06,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 08:06:06,611 INFO L168 Benchmark]: Toolchain (without parser) took 165787.49 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 556.5 MB. Max. memory is 7.1 GB. [2018-10-27 08:06:06,613 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-27 08:06:06,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.72 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-27 08:06:06,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 231.99 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-27 08:06:06,615 INFO L168 Benchmark]: Boogie Preprocessor took 142.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-27 08:06:06,616 INFO L168 Benchmark]: RCFGBuilder took 3737.60 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 7.1 GB. [2018-10-27 08:06:06,617 INFO L168 Benchmark]: TraceAbstraction took 160872.52 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 464.5 MB. Max. memory is 7.1 GB. [2018-10-27 08:06:06,622 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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. * CACSL2BoogieTranslator took 797.72 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 231.99 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3737.60 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 160872.52 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 464.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 880]: Loop Invariant Derived loop invariant: (((((((!(a21 == 8) && !(a15 == 8)) || (!(a15 == 8) && !(5 == a15))) || !(8 == \old(a15))) || ((!(a21 == 0) && a24 == 1) && !(5 == a15))) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || (a12 <= 80 && !(a15 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 160.7s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 121.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1585 SDtfs, 8385 SDslu, 1502 SDs, 0 SdLazy, 13068 SolverSat, 2797 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 92.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3604 GetRequests, 3485 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6320occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.1s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.997019781247392 AbsIntWeakeningRatio, 0.09800918836140889 AbsIntAvgWeakeningVarsNumRemoved, 16.067381316998468 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 369 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 161 NumberOfFragments, 348 HoareAnnotationTreeSize, 105 FomulaSimplifications, 4645 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1959 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 4321 NumberOfCodeBlocks, 4321 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 5397 ConstructedInterpolants, 0 QuantifiedInterpolants, 9183473 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1643 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 6697/7936 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...