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_label07_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:52:23,575 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:52:23,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:52:23,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:52:23,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:52:23,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:52:23,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:52:23,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:52:23,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:52:23,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:52:23,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:52:23,603 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:52:23,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:52:23,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:52:23,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:52:23,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:52:23,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:52:23,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:52:23,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:52:23,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:52:23,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:52:23,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:52:23,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:52:23,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:52:23,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:52:23,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:52:23,621 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:52:23,622 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:52:23,622 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:52:23,623 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:52:23,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:52:23,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 12:52:23,626 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 12:52:23,642 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:52:23,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:52:23,644 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:52:23,644 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:52:23,644 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:52:23,644 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:52:23,644 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:52:23,645 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:52:23,645 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:52:23,645 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:52:23,645 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:52:23,645 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:52:23,646 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:52:23,646 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:52:23,646 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:52:23,647 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:52:23,647 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:52:23,647 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:52:23,647 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:52:23,647 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:52:23,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:52:23,648 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:52:23,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:52:23,648 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:52:23,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:52:23,649 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:52:23,649 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:52:23,649 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:52:23,649 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:52:23,649 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:52:23,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:52:23,650 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:52:23,650 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:52:23,650 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:52:23,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:52:23,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:52:23,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:52:23,731 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:52:23,731 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:52:23,732 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c [2018-11-07 12:52:23,803 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c04e052b/1e7e0ca219314611b02885d1f40fef27/FLAG0d95b5e9d [2018-11-07 12:52:24,414 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:52:24,415 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c [2018-11-07 12:52:24,427 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c04e052b/1e7e0ca219314611b02885d1f40fef27/FLAG0d95b5e9d [2018-11-07 12:52:24,443 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c04e052b/1e7e0ca219314611b02885d1f40fef27 [2018-11-07 12:52:24,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:52:24,456 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:52:24,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:52:24,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:52:24,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:52:24,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:24" (1/1) ... [2018-11-07 12:52:24,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56927dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:24, skipping insertion in model container [2018-11-07 12:52:24,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:52:24" (1/1) ... [2018-11-07 12:52:24,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:52:24,533 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:52:24,994 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:52:25,000 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:52:25,115 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:52:25,134 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:52:25,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25 WrapperNode [2018-11-07 12:52:25,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:52:25,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:52:25,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:52:25,136 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:52:25,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:52:25,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:52:25,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:52:25,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:52:25,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (1/1) ... [2018-11-07 12:52:25,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:52:25,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:52:25,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:52:25,379 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:52:25,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (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 12:52:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:52:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:52:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:52:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:52:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:52:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:52:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:52:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:52:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:52:28,794 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:52:28,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:52:28 BoogieIcfgContainer [2018-11-07 12:52:28,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:52:28,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:52:28,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:52:28,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:52:28,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:52:24" (1/3) ... [2018-11-07 12:52:28,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adeec4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:52:28, skipping insertion in model container [2018-11-07 12:52:28,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:52:25" (2/3) ... [2018-11-07 12:52:28,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adeec4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:52:28, skipping insertion in model container [2018-11-07 12:52:28,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:52:28" (3/3) ... [2018-11-07 12:52:28,804 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label07_true-unreach-call_false-termination.c [2018-11-07 12:52:28,815 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:52:28,827 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:52:28,845 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:52:28,883 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:52:28,883 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:52:28,883 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:52:28,883 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:52:28,883 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:52:28,884 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:52:28,884 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:52:28,884 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:52:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 12:52:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 12:52:28,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:52:28,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:52:28,935 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:52:28,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:52:28,942 INFO L82 PathProgramCache]: Analyzing trace with hash 407669344, now seen corresponding path program 1 times [2018-11-07 12:52:28,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:52:28,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:28,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:52:28,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:28,995 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:52:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:52:29,648 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 12:52:29,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:52:29,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:52:29,651 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:52:29,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:52:29,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:52:29,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:52:29,683 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 12:52:31,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:52:31,498 INFO L93 Difference]: Finished difference Result 621 states and 1061 transitions. [2018-11-07 12:52:31,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:52:31,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-11-07 12:52:31,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:52:31,521 INFO L225 Difference]: With dead ends: 621 [2018-11-07 12:52:31,522 INFO L226 Difference]: Without dead ends: 382 [2018-11-07 12:52:31,528 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:52:31,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-07 12:52:31,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2018-11-07 12:52:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-07 12:52:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 641 transitions. [2018-11-07 12:52:31,606 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 641 transitions. Word has length 146 [2018-11-07 12:52:31,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:52:31,607 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 641 transitions. [2018-11-07 12:52:31,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:52:31,607 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 641 transitions. [2018-11-07 12:52:31,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-07 12:52:31,616 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:52:31,616 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:52:31,616 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:52:31,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:52:31,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1067911929, now seen corresponding path program 1 times [2018-11-07 12:52:31,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:52:31,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:31,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:52:31,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:31,619 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:52:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:52:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:52:31,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:52:31,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:52:31,914 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:52:31,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:52:31,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:52:31,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:52:31,919 INFO L87 Difference]: Start difference. First operand 380 states and 641 transitions. Second operand 3 states. [2018-11-07 12:52:33,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:52:33,187 INFO L93 Difference]: Finished difference Result 1046 states and 1833 transitions. [2018-11-07 12:52:33,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:52:33,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-07 12:52:33,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:52:33,197 INFO L225 Difference]: With dead ends: 1046 [2018-11-07 12:52:33,197 INFO L226 Difference]: Without dead ends: 672 [2018-11-07 12:52:33,204 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:52:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-07 12:52:33,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2018-11-07 12:52:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-11-07 12:52:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1087 transitions. [2018-11-07 12:52:33,251 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1087 transitions. Word has length 160 [2018-11-07 12:52:33,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:52:33,252 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1087 transitions. [2018-11-07 12:52:33,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:52:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1087 transitions. [2018-11-07 12:52:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-07 12:52:33,264 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:52:33,264 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:52:33,265 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:52:33,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:52:33,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1952458612, now seen corresponding path program 1 times [2018-11-07 12:52:33,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:52:33,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:33,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:52:33,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:33,267 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:52:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:52:33,583 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:52:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 80 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:52:33,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:52:33,769 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:52:33,770 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-07 12:52:33,773 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [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], [336], [341], [343], [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], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [839], [841], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:52:33,821 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:52:33,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:52:34,664 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:52:34,666 INFO L272 AbstractInterpreter]: Visited 147 different actions 147 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 12:52:34,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:52:34,711 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:52:35,615 INFO L227 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 81.33% of their original sizes. [2018-11-07 12:52:35,615 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:52:37,046 INFO L415 sIntCurrentIteration]: We unified 232 AI predicates to 232 [2018-11-07 12:52:37,046 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:52:37,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:52:37,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [9] total 21 [2018-11-07 12:52:37,048 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:52:37,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 12:52:37,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 12:52:37,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 12:52:37,049 INFO L87 Difference]: Start difference. First operand 672 states and 1087 transitions. Second operand 14 states. [2018-11-07 12:52:52,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:52:52,409 INFO L93 Difference]: Finished difference Result 1638 states and 2619 transitions. [2018-11-07 12:52:52,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 12:52:52,410 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 233 [2018-11-07 12:52:52,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:52:52,417 INFO L225 Difference]: With dead ends: 1638 [2018-11-07 12:52:52,417 INFO L226 Difference]: Without dead ends: 972 [2018-11-07 12:52:52,420 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 220 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 12:52:52,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2018-11-07 12:52:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 819. [2018-11-07 12:52:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-07 12:52:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1242 transitions. [2018-11-07 12:52:52,459 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1242 transitions. Word has length 233 [2018-11-07 12:52:52,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:52:52,460 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 1242 transitions. [2018-11-07 12:52:52,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 12:52:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1242 transitions. [2018-11-07 12:52:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-07 12:52:52,467 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:52:52,467 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:52:52,467 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:52:52,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:52:52,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1196753867, now seen corresponding path program 1 times [2018-11-07 12:52:52,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:52:52,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:52,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:52:52,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:52,470 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:52:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:52:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 92 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 12:52:52,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:52:52,828 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:52:52,828 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-07 12:52:52,828 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [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], [336], [341], [343], [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], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [839], [841], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:52:52,835 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:52:52,835 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:52:53,649 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:52:53,649 INFO L272 AbstractInterpreter]: Visited 151 different actions 452 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 12:52:53,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:52:53,652 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:52:54,102 INFO L227 lantSequenceWeakener]: Weakened 238 states. On average, predicates are now at 81.14% of their original sizes. [2018-11-07 12:52:54,103 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:52:54,273 INFO L415 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-11-07 12:52:54,274 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:52:54,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:52:54,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 12:52:54,274 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:52:54,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 12:52:54,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 12:52:54,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:52:54,276 INFO L87 Difference]: Start difference. First operand 819 states and 1242 transitions. Second operand 10 states. [2018-11-07 12:52:59,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:52:59,922 INFO L93 Difference]: Finished difference Result 2083 states and 3204 transitions. [2018-11-07 12:52:59,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 12:52:59,922 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 243 [2018-11-07 12:52:59,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:52:59,931 INFO L225 Difference]: With dead ends: 2083 [2018-11-07 12:52:59,931 INFO L226 Difference]: Without dead ends: 1270 [2018-11-07 12:52:59,935 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 12:52:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2018-11-07 12:52:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1252. [2018-11-07 12:52:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1252 states. [2018-11-07 12:52:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1756 transitions. [2018-11-07 12:52:59,981 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1756 transitions. Word has length 243 [2018-11-07 12:52:59,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:52:59,982 INFO L480 AbstractCegarLoop]: Abstraction has 1252 states and 1756 transitions. [2018-11-07 12:52:59,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 12:52:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1756 transitions. [2018-11-07 12:52:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-07 12:52:59,990 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:52:59,990 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:52:59,991 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:52:59,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:52:59,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1277633145, now seen corresponding path program 1 times [2018-11-07 12:52:59,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:52:59,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:59,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:52:59,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:52:59,993 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:53:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:53:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 113 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 12:53:00,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:53:00,212 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:53:00,212 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-11-07 12:53:00,212 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [29], [30], [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], [336], [341], [343], [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], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [839], [841], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:53:00,218 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:53:00,218 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:53:00,791 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:53:00,791 INFO L272 AbstractInterpreter]: Visited 151 different actions 298 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 12:53:00,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:53:00,833 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:53:01,422 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 81.35% of their original sizes. [2018-11-07 12:53:01,423 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:53:01,849 INFO L415 sIntCurrentIteration]: We unified 252 AI predicates to 252 [2018-11-07 12:53:01,849 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:53:01,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:53:01,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 12:53:01,850 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:53:01,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 12:53:01,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 12:53:01,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 12:53:01,852 INFO L87 Difference]: Start difference. First operand 1252 states and 1756 transitions. Second operand 18 states. [2018-11-07 12:53:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:53:13,674 INFO L93 Difference]: Finished difference Result 2948 states and 4153 transitions. [2018-11-07 12:53:13,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 12:53:13,675 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 253 [2018-11-07 12:53:13,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:53:13,683 INFO L225 Difference]: With dead ends: 2948 [2018-11-07 12:53:13,683 INFO L226 Difference]: Without dead ends: 1702 [2018-11-07 12:53:13,688 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 266 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=182, Invalid=810, Unknown=0, NotChecked=0, Total=992 [2018-11-07 12:53:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2018-11-07 12:53:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1695. [2018-11-07 12:53:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2018-11-07 12:53:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2273 transitions. [2018-11-07 12:53:13,734 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2273 transitions. Word has length 253 [2018-11-07 12:53:13,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:53:13,735 INFO L480 AbstractCegarLoop]: Abstraction has 1695 states and 2273 transitions. [2018-11-07 12:53:13,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 12:53:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2273 transitions. [2018-11-07 12:53:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-07 12:53:13,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:53:13,744 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 12:53:13,744 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:53:13,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:53:13,745 INFO L82 PathProgramCache]: Analyzing trace with hash -968504368, now seen corresponding path program 1 times [2018-11-07 12:53:13,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:53:13,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:53:13,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:53:13,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:53:13,746 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:53:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:53:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:53:14,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:53:14,077 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:53:14,077 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-11-07 12:53:14,078 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], [336], [341], [343], [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], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [839], [841], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:53:14,082 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:53:14,082 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:53:14,654 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:53:14,655 INFO L272 AbstractInterpreter]: Visited 152 different actions 453 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 12:53:14,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:53:14,661 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:53:14,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:53:14,661 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 12:53:14,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:53:14,671 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:53:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:53:14,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:53:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:53:15,188 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:53:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:53:16,144 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 12:53:16,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-07 12:53:16,145 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 12:53:16,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 12:53:16,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 12:53:16,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-07 12:53:16,146 INFO L87 Difference]: Start difference. First operand 1695 states and 2273 transitions. Second operand 14 states. [2018-11-07 12:53:16,853 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-11-07 12:53:17,181 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-11-07 12:53:20,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:53:20,675 INFO L93 Difference]: Finished difference Result 5295 states and 7290 transitions. [2018-11-07 12:53:20,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 12:53:20,675 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 261 [2018-11-07 12:53:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:53:20,676 INFO L225 Difference]: With dead ends: 5295 [2018-11-07 12:53:20,676 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 12:53:20,690 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 534 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-07 12:53:20,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 12:53:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 12:53:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 12:53:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 12:53:20,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 261 [2018-11-07 12:53:20,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:53:20,691 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 12:53:20,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 12:53:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 12:53:20,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 12:53:20,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 12:53:20,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:53:20,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:53:21,593 WARN L179 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2018-11-07 12:53:21,829 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2018-11-07 12:53:22,895 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 242 DAG size of output: 82 [2018-11-07 12:53:23,108 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 81 [2018-11-07 12:53:23,345 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 81 [2018-11-07 12:53:23,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 12:53:23,349 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:53:23,350 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 12:53:23,351 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 12:53:23,352 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 12:53:23,353 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,354 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,355 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,355 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,355 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 12:53:23,355 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 12:53:23,355 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 12:53:23,355 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 12:53:23,356 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 12:53:23,357 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 12:53:23,358 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 12:53:23,358 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 12:53:23,358 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 12:53:23,358 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 12:53:23,358 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 12:53:23,358 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 12:53:23,358 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,359 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:53:23,360 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 12:53:23,361 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,362 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 12:53:23,363 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,364 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 12:53:23,365 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,366 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 589) no Hoare annotation was computed. [2018-11-07 12:53:23,367 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,367 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,367 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,367 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1)) (.cse20 (= |old(~a17~0)| ~a17~0)) (.cse21 (= ~a28~0 |old(~a28~0)|))) (let ((.cse3 (not (= 0 |old(~a11~0)|))) (.cse9 (and .cse20 .cse21)) (.cse10 (= 8 |old(~a28~0)|)) (.cse2 (= 11 |old(~a28~0)|)) (.cse11 (< 7 |old(~a17~0)|)) (.cse19 (not (= 1 ~a11~0))) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse1 (not (= 1 ~a21~0))) (.cse12 (< 1 |old(~a11~0)|)) (.cse13 (< |old(~a25~0)| 0)) (.cse8 (< |old(~a28~0)| 7)) (.cse14 (< 10 |old(~a28~0)|)) (.cse17 (and (<= 0 ~a11~0) (<= ~a25~0 1) (<= 0 ~a25~0) (<= ~a11~0 1) .cse5)) (.cse18 (= 1 |old(~a11~0)|)) (.cse15 (< |old(~a11~0)| 0)) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse16 (< 1 |old(~a25~0)|)) (.cse6 (not (= |old(~a17~0)| 8))) (.cse7 (< |calculate_output_#in~input| 1))) (and (or .cse0 (or .cse1 (not .cse2) (not (= 1 |old(~a25~0)|))) .cse3 .cse4 (and (= ~a25~0 1) (= ~a11~0 0) .cse5) .cse6 .cse7) (or .cse0 (or .cse1 .cse3 (not (= 0 |old(~a25~0)|))) .cse8 (or (= ~a25~0 0) (<= 8 ~a28~0)) .cse4 .cse6 .cse7) (or .cse9 .cse10 .cse6 .cse2) (or .cse9 .cse10 .cse2 .cse11) (or .cse0 .cse1 .cse12 .cse13 .cse8 .cse14 .cse15 .cse4 .cse16 .cse10 .cse6 .cse17 .cse7) (or .cse18 .cse19 .cse10 .cse2 .cse11) (or .cse18 (and .cse19 .cse20 .cse21) .cse6) (or .cse0 .cse1 .cse12 .cse13 .cse8 .cse14 .cse17 .cse18 .cse15 .cse4 .cse16 .cse6 .cse7)))) [2018-11-07 12:53:23,367 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,367 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 12:53:23,368 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 12:53:23,369 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:53:23,370 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:53:23,371 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 12:53:23,372 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 12:53:23,373 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 12:53:23,374 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:53:23,374 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 12:53:23,374 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 12:53:23,374 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:53:23,374 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a17~0 8)) (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 12:53:23,374 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 12:53:23,375 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a28~0 8))) (.cse2 (not (= ~a28~0 11)))) (or (not (= |old(~a11~0)| 0)) (and (not (= 1 ~a11~0)) .cse0) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (<= ~a17~0 7) .cse1 .cse2) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (and .cse0 .cse1 .cse2) (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 12:53:23,375 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:53:23,375 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:53:23,375 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a28~0 8))) (.cse2 (not (= ~a28~0 11)))) (or (not (= |old(~a11~0)| 0)) (and (not (= 1 ~a11~0)) .cse0) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (<= ~a17~0 7) .cse1 .cse2) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (and .cse0 .cse1 .cse2) (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 12:53:23,375 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 12:53:23,375 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 12:53:23,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:53:23 BoogieIcfgContainer [2018-11-07 12:53:23,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 12:53:23,389 INFO L168 Benchmark]: Toolchain (without parser) took 58934.71 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 857.2 MB. Max. memory is 7.1 GB. [2018-11-07 12:53:23,390 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 12:53:23,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.61 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 12:53:23,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.95 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2018-11-07 12:53:23,393 INFO L168 Benchmark]: Boogie Preprocessor took 107.37 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 12:53:23,393 INFO L168 Benchmark]: RCFGBuilder took 3416.72 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 120.4 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2018-11-07 12:53:23,394 INFO L168 Benchmark]: TraceAbstraction took 54592.07 ms. Allocated memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -712.9 MB). Peak memory consumption was 791.8 MB. Max. memory is 7.1 GB. [2018-11-07 12:53:23,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.61 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 134.95 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.37 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3416.72 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 120.4 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54592.07 ms. Allocated memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -712.9 MB). Peak memory consumption was 791.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 589]: 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(a11) == 0) || (!(1 == a11) && \old(a17) == a17)) || !(v == 22)) || !(u == 21)) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 11))) || !(a21 == 1)) || !(y == 25)) || !(3 == c)) || !(\old(a25) == 0)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 11))) || !(\old(a28) == 7)) || !(a == 1)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 54.5s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 40.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1056 SDtfs, 5826 SDslu, 1567 SDs, 0 SdLazy, 7623 SolverSat, 1686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1339 GetRequests, 1229 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1695occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9979581254982322 AbsIntWeakeningRatio, 0.16115702479338842 AbsIntAvgWeakeningVarsNumRemoved, 24.426997245179063 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 180 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 58 PreInvPairs, 104 NumberOfFragments, 634 HoareAnnotationTreeSize, 58 FomulaSimplifications, 5613 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3454 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1557 NumberOfCodeBlocks, 1557 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 1023651 SizeOfPredicates, 1 NumberOfNonLiveVariables, 566 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 746/817 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...