java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:54:22,924 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:54:22,929 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:54:22,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:54:22,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:54:22,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:54:22,950 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:54:22,952 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:54:22,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:54:22,954 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:54:22,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:54:22,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:54:22,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:54:22,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:54:22,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:54:22,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:54:22,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:54:22,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:54:22,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:54:22,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:54:22,968 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:54:22,969 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:54:22,972 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:54:22,973 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:54:22,973 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:54:22,974 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:54:22,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:54:22,976 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:54:22,977 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:54:22,978 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:54:22,978 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:54:22,979 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 12:54:22,982 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 12:54:22,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:54:22,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:54:22,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:54:22,999 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:54:23,000 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:54:23,000 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:54:23,000 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:54:23,000 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:54:23,000 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:54:23,001 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:54:23,002 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:54:23,002 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:54:23,003 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:54:23,003 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:54:23,003 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:54:23,003 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:54:23,003 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:54:23,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:54:23,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:54:23,008 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:54:23,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:54:23,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:54:23,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:54:23,010 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:54:23,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:54:23,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:54:23,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:54:23,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:54:23,011 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:54:23,011 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:54:23,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:54:23,011 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:54:23,011 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:54:23,011 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:54:23,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:54:23,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:54:23,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:54:23,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:54:23,080 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:54:23,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-07 12:54:23,151 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a2c3d48/2d94ee96286146ea9c256d698c8dd0f7/FLAGda15b5559 [2018-11-07 12:54:23,768 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:54:23,769 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-07 12:54:23,785 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a2c3d48/2d94ee96286146ea9c256d698c8dd0f7/FLAGda15b5559 [2018-11-07 12:54:23,803 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74a2c3d48/2d94ee96286146ea9c256d698c8dd0f7 [2018-11-07 12:54:23,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:54:23,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:54:23,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:54:23,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:54:23,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:54:23,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:23" (1/1) ... [2018-11-07 12:54:23,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5690351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:23, skipping insertion in model container [2018-11-07 12:54:23,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:23" (1/1) ... [2018-11-07 12:54:23,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:54:23,913 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:54:24,424 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:54:24,430 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:54:24,599 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:54:24,620 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:54:24,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24 WrapperNode [2018-11-07 12:54:24,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:54:24,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:54:24,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:54:24,622 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:54:24,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:54:24,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:54:24,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:54:24,752 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:54:24,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... [2018-11-07 12:54:24,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:54:24,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:54:24,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:54:24,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:54:24,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:54:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:54:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:54:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:54:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:54:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:54:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:54:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:54:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:54:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:54:28,147 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:54:28,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:28 BoogieIcfgContainer [2018-11-07 12:54:28,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:54:28,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:54:28,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:54:28,161 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:54:28,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:23" (1/3) ... [2018-11-07 12:54:28,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c02d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:28, skipping insertion in model container [2018-11-07 12:54:28,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:24" (2/3) ... [2018-11-07 12:54:28,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c02d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:28, skipping insertion in model container [2018-11-07 12:54:28,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:28" (3/3) ... [2018-11-07 12:54:28,167 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-11-07 12:54:28,179 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:54:28,191 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:54:28,213 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:54:28,261 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:54:28,261 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:54:28,262 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:54:28,262 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:54:28,262 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:54:28,262 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:54:28,262 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:54:28,262 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:54:28,304 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 12:54:28,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 12:54:28,318 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:28,320 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, 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] [2018-11-07 12:54:28,323 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:28,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:28,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1188010863, now seen corresponding path program 1 times [2018-11-07 12:54:28,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:28,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:28,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:28,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:28,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:29,006 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:54:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:54:29,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:29,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:54:29,173 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:29,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:54:29,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:54:29,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:54:29,200 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 12:54:30,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:30,844 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-07 12:54:30,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:54:30,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-11-07 12:54:30,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:30,869 INFO L225 Difference]: With dead ends: 618 [2018-11-07 12:54:30,869 INFO L226 Difference]: Without dead ends: 379 [2018-11-07 12:54:30,876 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:54:30,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-07 12:54:30,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-07 12:54:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-07 12:54:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-07 12:54:30,997 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 131 [2018-11-07 12:54:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:30,998 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-07 12:54:30,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:54:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-07 12:54:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-07 12:54:31,014 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:31,014 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:31,015 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:31,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:31,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1256593146, now seen corresponding path program 1 times [2018-11-07 12:54:31,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:31,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:31,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:31,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:31,020 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:31,352 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 12:54:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:54:31,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:31,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:54:31,414 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:31,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:54:31,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:54:31,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:54:31,417 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-07 12:54:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:33,859 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-07 12:54:33,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 12:54:33,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-07 12:54:33,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:33,883 INFO L225 Difference]: With dead ends: 1229 [2018-11-07 12:54:33,883 INFO L226 Difference]: Without dead ends: 856 [2018-11-07 12:54:33,892 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:54:33,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-07 12:54:33,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-07 12:54:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-07 12:54:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-07 12:54:33,967 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 147 [2018-11-07 12:54:33,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:33,968 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-07 12:54:33,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:54:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-07 12:54:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-07 12:54:33,975 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:33,975 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:33,976 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:33,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:33,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1655989221, now seen corresponding path program 1 times [2018-11-07 12:54:33,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:33,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:33,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:33,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:33,979 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:34,234 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:54:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:54:34,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:54:34,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:54:34,339 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:34,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:54:34,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:54:34,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:54:34,341 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-07 12:54:40,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:40,023 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-07 12:54:40,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:54:40,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-07 12:54:40,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:40,042 INFO L225 Difference]: With dead ends: 2557 [2018-11-07 12:54:40,042 INFO L226 Difference]: Without dead ends: 1740 [2018-11-07 12:54:40,049 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:54:40,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-07 12:54:40,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-07 12:54:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-07 12:54:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-07 12:54:40,133 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 154 [2018-11-07 12:54:40,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:40,134 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-07 12:54:40,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:54:40,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-07 12:54:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-07 12:54:40,146 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:40,146 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:40,146 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:40,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:40,147 INFO L82 PathProgramCache]: Analyzing trace with hash -908866867, now seen corresponding path program 1 times [2018-11-07 12:54:40,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:40,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:40,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:40,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:40,149 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 12:54:40,362 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:54:40,362 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:54:40,363 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-07 12:54:40,366 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:54:40,435 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:54:40,435 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:54:41,208 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:54:41,210 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 12:54:41,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:41,256 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:54:41,911 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 81.46% of their original sizes. [2018-11-07 12:54:41,912 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:54:43,423 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-07 12:54:43,424 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:54:43,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:54:43,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 12:54:43,425 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:43,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 12:54:43,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 12:54:43,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 12:54:43,427 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 14 states. [2018-11-07 12:54:57,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:54:57,312 INFO L93 Difference]: Finished difference Result 3656 states and 5500 transitions. [2018-11-07 12:54:57,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 12:54:57,312 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 156 [2018-11-07 12:54:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:54:57,324 INFO L225 Difference]: With dead ends: 3656 [2018-11-07 12:54:57,324 INFO L226 Difference]: Without dead ends: 1980 [2018-11-07 12:54:57,330 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 12:54:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-11-07 12:54:57,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1827. [2018-11-07 12:54:57,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-07 12:54:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-07 12:54:57,386 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 156 [2018-11-07 12:54:57,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:54:57,386 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-07 12:54:57,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 12:54:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-07 12:54:57,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-07 12:54:57,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:54:57,394 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:54:57,395 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:54:57,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:57,395 INFO L82 PathProgramCache]: Analyzing trace with hash 352439598, now seen corresponding path program 1 times [2018-11-07 12:54:57,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:54:57,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:57,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:54:57,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:54:57,397 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:54:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:54:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 12:54:57,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:54:57,711 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:54:57,711 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-07 12:54:57,712 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:54:57,718 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:54:57,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:54:58,349 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:54:58,350 INFO L272 AbstractInterpreter]: Visited 136 different actions 407 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 12:54:58,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:54:58,360 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:54:58,642 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 81.15% of their original sizes. [2018-11-07 12:54:58,642 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:54:59,368 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-07 12:54:59,368 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:54:59,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:54:59,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 12:54:59,369 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:54:59,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 12:54:59,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 12:54:59,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:54:59,370 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 10 states. [2018-11-07 12:55:06,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:06,214 INFO L93 Difference]: Finished difference Result 4463 states and 6600 transitions. [2018-11-07 12:55:06,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 12:55:06,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2018-11-07 12:55:06,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:06,226 INFO L225 Difference]: With dead ends: 4463 [2018-11-07 12:55:06,227 INFO L226 Difference]: Without dead ends: 2642 [2018-11-07 12:55:06,234 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:55:06,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-11-07 12:55:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2556. [2018-11-07 12:55:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2556 states. [2018-11-07 12:55:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3571 transitions. [2018-11-07 12:55:06,310 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3571 transitions. Word has length 166 [2018-11-07 12:55:06,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:06,310 INFO L480 AbstractCegarLoop]: Abstraction has 2556 states and 3571 transitions. [2018-11-07 12:55:06,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 12:55:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3571 transitions. [2018-11-07 12:55:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-07 12:55:06,321 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:06,321 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:06,321 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:06,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:06,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1685404542, now seen corresponding path program 1 times [2018-11-07 12:55:06,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:06,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:06,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:06,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:06,323 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:06,697 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-07 12:55:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:55:07,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:07,029 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:07,030 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-07 12:55:07,030 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:07,035 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:07,035 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:07,571 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:55:07,571 INFO L272 AbstractInterpreter]: Visited 136 different actions 404 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:07,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:07,582 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:55:07,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:07,582 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 12:55:07,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:07,599 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:55:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:07,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:55:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:07,957 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:55:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:55:08,373 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:08,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-11-07 12:55:08,374 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:08,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:55:08,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:55:08,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:55:08,375 INFO L87 Difference]: Start difference. First operand 2556 states and 3571 transitions. Second operand 3 states. [2018-11-07 12:55:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:10,425 INFO L93 Difference]: Finished difference Result 6068 states and 8758 transitions. [2018-11-07 12:55:10,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:55:10,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-11-07 12:55:10,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:10,444 INFO L225 Difference]: With dead ends: 6068 [2018-11-07 12:55:10,444 INFO L226 Difference]: Without dead ends: 3518 [2018-11-07 12:55:10,454 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 335 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:55:10,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2018-11-07 12:55:10,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3506. [2018-11-07 12:55:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3506 states. [2018-11-07 12:55:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4981 transitions. [2018-11-07 12:55:10,545 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4981 transitions. Word has length 168 [2018-11-07 12:55:10,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:10,545 INFO L480 AbstractCegarLoop]: Abstraction has 3506 states and 4981 transitions. [2018-11-07 12:55:10,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:55:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4981 transitions. [2018-11-07 12:55:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-07 12:55:10,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:10,559 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:10,559 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:10,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:10,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1082713084, now seen corresponding path program 1 times [2018-11-07 12:55:10,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:10,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:10,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:10,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:10,561 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 12:55:10,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:10,886 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:10,886 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-07 12:55:10,887 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:10,892 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:10,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:11,356 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:55:11,356 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 12:55:11,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:11,385 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:55:11,817 INFO L227 lantSequenceWeakener]: Weakened 91 states. On average, predicates are now at 81.5% of their original sizes. [2018-11-07 12:55:11,817 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:55:12,701 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-11-07 12:55:12,702 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:55:12,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:12,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 12:55:12,702 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:12,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 12:55:12,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 12:55:12,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 12:55:12,703 INFO L87 Difference]: Start difference. First operand 3506 states and 4981 transitions. Second operand 18 states. [2018-11-07 12:55:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:27,216 INFO L93 Difference]: Finished difference Result 7756 states and 10991 transitions. [2018-11-07 12:55:27,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 12:55:27,217 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 182 [2018-11-07 12:55:27,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:27,237 INFO L225 Difference]: With dead ends: 7756 [2018-11-07 12:55:27,237 INFO L226 Difference]: Without dead ends: 4256 [2018-11-07 12:55:27,249 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=810, Unknown=0, NotChecked=0, Total=992 [2018-11-07 12:55:27,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4256 states. [2018-11-07 12:55:27,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4256 to 4247. [2018-11-07 12:55:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4247 states. [2018-11-07 12:55:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 4247 states and 5851 transitions. [2018-11-07 12:55:27,359 INFO L78 Accepts]: Start accepts. Automaton has 4247 states and 5851 transitions. Word has length 182 [2018-11-07 12:55:27,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:27,359 INFO L480 AbstractCegarLoop]: Abstraction has 4247 states and 5851 transitions. [2018-11-07 12:55:27,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 12:55:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 5851 transitions. [2018-11-07 12:55:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 12:55:27,376 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:27,376 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:27,376 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:27,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:27,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1216814776, now seen corresponding path program 1 times [2018-11-07 12:55:27,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:27,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:27,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:27,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:27,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 69 proven. 35 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-07 12:55:28,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:28,343 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:28,344 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 12:55:28,344 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:28,347 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:28,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:29,305 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:55:29,305 INFO L272 AbstractInterpreter]: Visited 138 different actions 553 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:29,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:29,347 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:55:29,627 INFO L227 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 81.14% of their original sizes. [2018-11-07 12:55:29,627 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:55:30,190 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-07 12:55:30,190 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:55:30,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:30,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 12:55:30,191 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:30,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 12:55:30,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 12:55:30,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:55:30,192 INFO L87 Difference]: Start difference. First operand 4247 states and 5851 transitions. Second operand 10 states. [2018-11-07 12:55:36,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:36,884 INFO L93 Difference]: Finished difference Result 9191 states and 12716 transitions. [2018-11-07 12:55:36,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 12:55:36,885 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-07 12:55:36,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:36,905 INFO L225 Difference]: With dead ends: 9191 [2018-11-07 12:55:36,905 INFO L226 Difference]: Without dead ends: 4950 [2018-11-07 12:55:36,916 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 148 SyntacticMatches, 44 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:55:36,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4950 states. [2018-11-07 12:55:37,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4950 to 4911. [2018-11-07 12:55:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4911 states. [2018-11-07 12:55:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4911 states and 6657 transitions. [2018-11-07 12:55:37,038 INFO L78 Accepts]: Start accepts. Automaton has 4911 states and 6657 transitions. Word has length 201 [2018-11-07 12:55:37,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:37,039 INFO L480 AbstractCegarLoop]: Abstraction has 4911 states and 6657 transitions. [2018-11-07 12:55:37,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 12:55:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4911 states and 6657 transitions. [2018-11-07 12:55:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-07 12:55:37,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:37,056 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 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] [2018-11-07 12:55:37,057 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:37,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:37,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1912139688, now seen corresponding path program 1 times [2018-11-07 12:55:37,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:37,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:37,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:37,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:37,058 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 12:55:37,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:37,506 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:37,507 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-11-07 12:55:37,507 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:37,509 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:37,509 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:38,170 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:55:38,170 INFO L272 AbstractInterpreter]: Visited 137 different actions 550 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:38,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:38,179 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:55:38,407 INFO L227 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 81.09% of their original sizes. [2018-11-07 12:55:38,407 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:55:38,502 INFO L415 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2018-11-07 12:55:38,502 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:55:38,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:55:38,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-11-07 12:55:38,502 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:55:38,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 12:55:38,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 12:55:38,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:55:38,503 INFO L87 Difference]: Start difference. First operand 4911 states and 6657 transitions. Second operand 11 states. [2018-11-07 12:55:49,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:49,351 INFO L93 Difference]: Finished difference Result 11330 states and 15520 transitions. [2018-11-07 12:55:49,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-07 12:55:49,352 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2018-11-07 12:55:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:49,379 INFO L225 Difference]: With dead ends: 11330 [2018-11-07 12:55:49,379 INFO L226 Difference]: Without dead ends: 6425 [2018-11-07 12:55:49,392 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-11-07 12:55:49,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6425 states. [2018-11-07 12:55:49,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6425 to 6387. [2018-11-07 12:55:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6387 states. [2018-11-07 12:55:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6387 states to 6387 states and 8700 transitions. [2018-11-07 12:55:49,556 INFO L78 Accepts]: Start accepts. Automaton has 6387 states and 8700 transitions. Word has length 203 [2018-11-07 12:55:49,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:49,556 INFO L480 AbstractCegarLoop]: Abstraction has 6387 states and 8700 transitions. [2018-11-07 12:55:49,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 12:55:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 6387 states and 8700 transitions. [2018-11-07 12:55:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-07 12:55:49,580 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:55:49,580 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:55:49,580 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:55:49,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:49,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1325654793, now seen corresponding path program 1 times [2018-11-07 12:55:49,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:55:49,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:49,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:49,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:55:49,582 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:55:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:49,838 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 12:55:50,197 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 12:55:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 101 proven. 50 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-07 12:55:50,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:50,388 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:55:50,389 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-07 12:55:50,389 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:55:50,391 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:55:50,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:55:51,276 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:55:51,276 INFO L272 AbstractInterpreter]: Visited 138 different actions 414 times. Merged at 8 different actions 24 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:55:51,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:55:51,285 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:55:51,285 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:55:51,285 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 12:55:51,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:55:51,295 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:55:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:55:51,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:55:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-07 12:55:51,484 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:55:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 15 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-07 12:55:51,614 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:55:51,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-07 12:55:51,615 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:55:51,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 12:55:51,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 12:55:51,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-07 12:55:51,616 INFO L87 Difference]: Start difference. First operand 6387 states and 8700 transitions. Second operand 15 states. [2018-11-07 12:55:55,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:55:55,268 INFO L93 Difference]: Finished difference Result 17203 states and 23993 transitions. [2018-11-07 12:55:55,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 12:55:55,271 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 211 [2018-11-07 12:55:55,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:55:55,272 INFO L225 Difference]: With dead ends: 17203 [2018-11-07 12:55:55,272 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 12:55:55,321 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 432 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-11-07 12:55:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 12:55:55,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 12:55:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 12:55:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 12:55:55,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2018-11-07 12:55:55,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:55:55,323 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 12:55:55,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 12:55:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 12:55:55,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 12:55:55,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 12:55:55,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:55,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:55,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:55,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:55,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:55,938 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 161 [2018-11-07 12:55:55,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:55:56,370 WARN L179 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 208 [2018-11-07 12:55:57,358 WARN L179 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2018-11-07 12:55:58,052 WARN L179 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 77 [2018-11-07 12:56:02,052 WARN L179 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 339 DAG size of output: 32 [2018-11-07 12:56:02,210 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 12:56:02,871 WARN L179 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 79 [2018-11-07 12:56:03,689 WARN L179 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 79 [2018-11-07 12:56:03,693 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:56:03,693 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-07 12:56:03,693 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:56:03,693 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,693 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,693 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,693 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 12:56:03,694 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,695 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 12:56:03,696 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,697 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 12:56:03,698 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 12:56:03,699 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,700 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 12:56:03,701 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,702 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 12:56:03,703 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,704 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 12:56:03,705 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 12:56:03,706 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 12:56:03,706 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 12:56:03,706 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 12:56:03,706 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-11-07 12:56:03,706 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,706 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,706 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 12:56:03,707 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 12:56:03,708 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,709 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,709 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,709 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,709 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= |old(~a25~0)| ~a25~0))) (let ((.cse0 (< 10 |old(~a28~0)|)) (.cse1 (and .cse3 .cse4 .cse5 (= ~a17~0 |old(~a17~0)|) .cse6)) (.cse2 (not (= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and .cse3 .cse4 .cse5 (= 7 ~a17~0) .cse6) (not (= 7 |old(~a17~0)|))) (or .cse1 .cse2 (= |old(~a11~0)| |old(~a19~0)|))))) [2018-11-07 12:56:03,709 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,709 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,709 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 12:56:03,709 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 12:56:03,710 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 12:56:03,711 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 12:56:03,712 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,713 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 12:56:03,714 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 12:56:03,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:56:03,716 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 12:56:03,716 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 12:56:03,716 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:56:03,716 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a25~0 0) (= ~a19~0 1) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 12:56:03,716 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 12:56:03,717 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (<= ~a28~0 10))) (or (and .cse0 (not (= ~a19~0 ~a11~0))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= 7 ~a17~0) .cse1) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse1) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 12:56:03,717 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:56:03,717 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:56:03,717 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (<= ~a28~0 10))) (or (and .cse0 (not (= ~a19~0 ~a11~0))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= 7 ~a17~0) .cse1) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse1) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 12:56:03,718 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 12:56:03,718 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 12:56:03,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:56:03 BoogieIcfgContainer [2018-11-07 12:56:03,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 12:56:03,731 INFO L168 Benchmark]: Toolchain (without parser) took 99912.10 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 2.2 GB in the end (delta: -745.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 12:56:03,733 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 12:56:03,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.82 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 12:56:03,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 12:56:03,735 INFO L168 Benchmark]: Boogie Preprocessor took 121.56 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 12:56:03,735 INFO L168 Benchmark]: RCFGBuilder took 3274.28 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.5 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. [2018-11-07 12:56:03,736 INFO L168 Benchmark]: TraceAbstraction took 95579.41 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -59.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 12:56:03,741 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.82 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 129.41 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.56 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3274.28 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.5 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 95579.41 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -59.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((\old(a17) == a17 && !(a19 == a11)) || !(a21 == 1)) || !(y == 25)) || (7 == a17 && a28 <= 10)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (\old(a17) == a17 && a28 <= 10)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 95.4s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 68.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1772 SDtfs, 9865 SDslu, 2641 SDs, 0 SdLazy, 13004 SolverSat, 2360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1798 GetRequests, 1579 SyntacticMatches, 55 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6387occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.1s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.996422053701709 AbsIntWeakeningRatio, 0.23145071982281284 AbsIntAvgWeakeningVarsNumRemoved, 26.816168327796234 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 428 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 212 PreInvPairs, 336 NumberOfFragments, 411 HoareAnnotationTreeSize, 212 FomulaSimplifications, 27270 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 21371 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 2098 NumberOfCodeBlocks, 2098 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2463 ConstructedInterpolants, 0 QuantifiedInterpolants, 988910 SizeOfPredicates, 2 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 928/1115 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...