java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:45:19,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:45:19,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:45:19,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:45:19,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:45:19,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:45:19,788 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:45:19,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:45:19,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:45:19,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:45:19,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:45:19,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:45:19,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:45:19,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:45:19,797 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:45:19,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:45:19,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:45:19,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:45:19,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:45:19,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:45:19,810 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:45:19,811 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:45:19,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:45:19,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:45:19,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:45:19,819 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:45:19,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:45:19,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:45:19,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:45:19,822 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:45:19,823 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:45:19,823 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:45:19,824 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:45:19,824 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:45:19,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:45:19,825 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:45:19,826 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:45:19,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:45:19,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:45:19,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:45:19,846 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:45:19,846 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:45:19,846 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:45:19,846 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:45:19,847 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:45:19,847 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:45:19,847 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:45:19,847 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:45:19,847 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:45:19,848 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:45:19,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:45:19,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:45:19,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:45:19,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:45:19,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:45:19,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:45:19,850 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:45:19,850 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:45:19,850 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:45:19,850 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:45:19,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:45:19,851 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:45:19,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:45:19,851 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:45:19,851 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:45:19,851 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:45:19,852 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:45:19,852 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:45:19,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:45:19,852 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:45:19,852 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:45:19,853 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:45:19,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:45:19,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:45:19,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:45:19,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:45:19,944 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:45:19,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-11-07 18:45:20,014 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728ddb777/1f1fc4c2dce24d6b868058329e09f8fd/FLAG27ab30638 [2018-11-07 18:45:20,618 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:45:20,621 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-11-07 18:45:20,642 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728ddb777/1f1fc4c2dce24d6b868058329e09f8fd/FLAG27ab30638 [2018-11-07 18:45:20,659 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728ddb777/1f1fc4c2dce24d6b868058329e09f8fd [2018-11-07 18:45:20,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:45:20,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:45:20,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:45:20,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:45:20,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:45:20,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:45:20" (1/1) ... [2018-11-07 18:45:20,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68992734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:20, skipping insertion in model container [2018-11-07 18:45:20,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:45:20" (1/1) ... [2018-11-07 18:45:20,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:45:20,764 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:45:21,191 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:45:21,196 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:45:21,353 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:45:21,374 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:45:21,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21 WrapperNode [2018-11-07 18:45:21,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:45:21,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:45:21,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:45:21,375 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:45:21,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:45:21,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:45:21,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:45:21,500 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:45:21,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (1/1) ... [2018-11-07 18:45:21,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:45:21,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:45:21,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:45:21,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:45:21,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (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 18:45:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:45:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:45:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:45:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:45:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:45:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:45:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:45:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:45:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:45:25,469 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:45:25,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:45:25 BoogieIcfgContainer [2018-11-07 18:45:25,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:45:25,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:45:25,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:45:25,483 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:45:25,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:45:20" (1/3) ... [2018-11-07 18:45:25,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a9a466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:45:25, skipping insertion in model container [2018-11-07 18:45:25,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:45:21" (2/3) ... [2018-11-07 18:45:25,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a9a466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:45:25, skipping insertion in model container [2018-11-07 18:45:25,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:45:25" (3/3) ... [2018-11-07 18:45:25,490 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label29_true-unreach-call_false-termination.c [2018-11-07 18:45:25,502 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:45:25,511 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:45:25,530 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:45:25,569 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:45:25,569 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:45:25,569 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:45:25,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:45:25,570 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:45:25,570 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:45:25,570 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:45:25,570 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:45:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:45:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-07 18:45:25,626 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:25,628 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] [2018-11-07 18:45:25,631 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:25,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:25,639 INFO L82 PathProgramCache]: Analyzing trace with hash 150214839, now seen corresponding path program 1 times [2018-11-07 18:45:25,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:25,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:25,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:25,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:25,701 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:26,295 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:45:26,441 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 18:45:26,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:45:26,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:45:26,444 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:26,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:45:26,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:45:26,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:45:26,478 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 18:45:28,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:28,265 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-07 18:45:28,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:45:28,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-11-07 18:45:28,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:28,288 INFO L225 Difference]: With dead ends: 627 [2018-11-07 18:45:28,288 INFO L226 Difference]: Without dead ends: 388 [2018-11-07 18:45:28,295 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:45:28,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-07 18:45:28,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-07 18:45:28,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 18:45:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-07 18:45:28,390 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 109 [2018-11-07 18:45:28,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:28,391 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-07 18:45:28,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:45:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-07 18:45:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-07 18:45:28,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:28,400 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:45:28,401 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:28,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:28,401 INFO L82 PathProgramCache]: Analyzing trace with hash 348320458, now seen corresponding path program 1 times [2018-11-07 18:45:28,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:28,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:28,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:28,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:28,403 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:45:28,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:45:28,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:45:28,636 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:28,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:45:28,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:45:28,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:45:28,639 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 3 states. [2018-11-07 18:45:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:29,947 INFO L93 Difference]: Finished difference Result 1053 states and 1768 transitions. [2018-11-07 18:45:29,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:45:29,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-07 18:45:29,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:29,959 INFO L225 Difference]: With dead ends: 1053 [2018-11-07 18:45:29,959 INFO L226 Difference]: Without dead ends: 676 [2018-11-07 18:45:29,963 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 18:45:29,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-11-07 18:45:30,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2018-11-07 18:45:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-11-07 18:45:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1011 transitions. [2018-11-07 18:45:30,012 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1011 transitions. Word has length 118 [2018-11-07 18:45:30,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:30,013 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 1011 transitions. [2018-11-07 18:45:30,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:45:30,013 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1011 transitions. [2018-11-07 18:45:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-07 18:45:30,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:30,026 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] [2018-11-07 18:45:30,026 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:30,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:30,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1318631550, now seen corresponding path program 1 times [2018-11-07 18:45:30,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:30,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:30,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:30,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:30,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:30,198 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 18:45:30,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:45:30,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:45:30,198 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:30,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:45:30,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:45:30,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:45:30,200 INFO L87 Difference]: Start difference. First operand 676 states and 1011 transitions. Second operand 3 states. [2018-11-07 18:45:32,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:32,267 INFO L93 Difference]: Finished difference Result 1926 states and 2979 transitions. [2018-11-07 18:45:32,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:45:32,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-11-07 18:45:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:32,285 INFO L225 Difference]: With dead ends: 1926 [2018-11-07 18:45:32,285 INFO L226 Difference]: Without dead ends: 1256 [2018-11-07 18:45:32,291 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 18:45:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-11-07 18:45:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2018-11-07 18:45:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2018-11-07 18:45:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1828 transitions. [2018-11-07 18:45:32,367 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1828 transitions. Word has length 123 [2018-11-07 18:45:32,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:32,367 INFO L480 AbstractCegarLoop]: Abstraction has 1256 states and 1828 transitions. [2018-11-07 18:45:32,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:45:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1828 transitions. [2018-11-07 18:45:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-07 18:45:32,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:32,377 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:32,378 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:32,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:32,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1684085040, now seen corresponding path program 1 times [2018-11-07 18:45:32,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:32,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:32,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:32,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:32,380 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:45:32,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:32,618 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:32,619 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-07 18:45:32,622 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:32,676 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:32,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:33,376 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:33,378 INFO L272 AbstractInterpreter]: Visited 110 different actions 110 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:45:33,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:33,424 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:34,166 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 81.01% of their original sizes. [2018-11-07 18:45:34,166 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:35,546 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-07 18:45:35,546 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:35,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:35,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 18:45:35,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:35,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:45:35,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:45:35,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:45:35,549 INFO L87 Difference]: Start difference. First operand 1256 states and 1828 transitions. Second operand 14 states. [2018-11-07 18:45:52,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:52,807 INFO L93 Difference]: Finished difference Result 2806 states and 4098 transitions. [2018-11-07 18:45:52,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:45:52,808 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-11-07 18:45:52,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:52,817 INFO L225 Difference]: With dead ends: 2806 [2018-11-07 18:45:52,817 INFO L226 Difference]: Without dead ends: 1556 [2018-11-07 18:45:52,823 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 142 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 18:45:52,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-11-07 18:45:52,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1403. [2018-11-07 18:45:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2018-11-07 18:45:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1989 transitions. [2018-11-07 18:45:52,871 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1989 transitions. Word has length 155 [2018-11-07 18:45:52,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:52,871 INFO L480 AbstractCegarLoop]: Abstraction has 1403 states and 1989 transitions. [2018-11-07 18:45:52,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:45:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1989 transitions. [2018-11-07 18:45:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-07 18:45:52,878 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:52,879 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:45:52,879 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:52,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:52,880 INFO L82 PathProgramCache]: Analyzing trace with hash -47073822, now seen corresponding path program 1 times [2018-11-07 18:45:52,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:52,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:52,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:52,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:52,881 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:45:53,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:53,243 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:53,243 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-07 18:45:53,244 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:53,250 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:53,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:53,977 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:53,977 INFO L272 AbstractInterpreter]: Visited 113 different actions 333 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:45:54,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:54,020 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:54,344 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 80.77% of their original sizes. [2018-11-07 18:45:54,344 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:54,785 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-07 18:45:54,785 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:54,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:54,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2018-11-07 18:45:54,786 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:54,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:45:54,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:45:54,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:45:54,788 INFO L87 Difference]: Start difference. First operand 1403 states and 1989 transitions. Second operand 11 states. [2018-11-07 18:46:04,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:04,352 INFO L93 Difference]: Finished difference Result 3708 states and 5591 transitions. [2018-11-07 18:46:04,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:46:04,352 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2018-11-07 18:46:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:04,365 INFO L225 Difference]: With dead ends: 3708 [2018-11-07 18:46:04,365 INFO L226 Difference]: Without dead ends: 2311 [2018-11-07 18:46:04,373 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 18:46:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2018-11-07 18:46:04,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 2295. [2018-11-07 18:46:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2295 states. [2018-11-07 18:46:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 3194 transitions. [2018-11-07 18:46:04,442 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 3194 transitions. Word has length 160 [2018-11-07 18:46:04,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:04,443 INFO L480 AbstractCegarLoop]: Abstraction has 2295 states and 3194 transitions. [2018-11-07 18:46:04,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:46:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 3194 transitions. [2018-11-07 18:46:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-07 18:46:04,452 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:04,452 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:46:04,452 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:04,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:04,453 INFO L82 PathProgramCache]: Analyzing trace with hash -726569558, now seen corresponding path program 1 times [2018-11-07 18:46:04,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:04,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:04,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:04,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:04,454 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 18:46:04,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:04,714 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:04,714 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-07 18:46:04,714 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:04,719 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:04,720 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:05,373 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:05,374 INFO L272 AbstractInterpreter]: Visited 115 different actions 462 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:46:05,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:05,384 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:05,705 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 80.82% of their original sizes. [2018-11-07 18:46:05,705 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:05,858 INFO L415 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-11-07 18:46:05,859 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:05,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:05,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-11-07 18:46:05,859 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:05,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:46:05,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:46:05,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:46:05,861 INFO L87 Difference]: Start difference. First operand 2295 states and 3194 transitions. Second operand 11 states. [2018-11-07 18:46:16,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:16,966 INFO L93 Difference]: Finished difference Result 6664 states and 9272 transitions. [2018-11-07 18:46:16,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-07 18:46:16,966 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2018-11-07 18:46:16,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:16,985 INFO L225 Difference]: With dead ends: 6664 [2018-11-07 18:46:16,986 INFO L226 Difference]: Without dead ends: 3630 [2018-11-07 18:46:16,996 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 193 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-11-07 18:46:16,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2018-11-07 18:46:17,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 3611. [2018-11-07 18:46:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3611 states. [2018-11-07 18:46:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 3611 states and 4794 transitions. [2018-11-07 18:46:17,102 INFO L78 Accepts]: Start accepts. Automaton has 3611 states and 4794 transitions. Word has length 181 [2018-11-07 18:46:17,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:17,102 INFO L480 AbstractCegarLoop]: Abstraction has 3611 states and 4794 transitions. [2018-11-07 18:46:17,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:46:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4794 transitions. [2018-11-07 18:46:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 18:46:17,114 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:17,115 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-11-07 18:46:17,115 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:17,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:17,116 INFO L82 PathProgramCache]: Analyzing trace with hash -2092371857, now seen corresponding path program 1 times [2018-11-07 18:46:17,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:17,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:17,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:17,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:17,117 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 104 proven. 41 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 18:46:17,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:17,326 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:17,326 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-07 18:46:17,326 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:17,330 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:17,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:17,797 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:46:17,797 INFO L272 AbstractInterpreter]: Visited 116 different actions 348 times. Merged at 8 different actions 24 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:46:17,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:17,806 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:46:17,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:17,806 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 18:46:17,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:17,816 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:46:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:17,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:46:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-07 18:46:18,257 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:46:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 119 proven. 15 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-07 18:46:18,563 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:46:18,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 18:46:18,563 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:46:18,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:46:18,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:46:18,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-07 18:46:18,565 INFO L87 Difference]: Start difference. First operand 3611 states and 4794 transitions. Second operand 11 states. [2018-11-07 18:46:23,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:23,979 INFO L93 Difference]: Finished difference Result 10173 states and 13985 transitions. [2018-11-07 18:46:23,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:46:23,979 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 199 [2018-11-07 18:46:23,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:24,005 INFO L225 Difference]: With dead ends: 10173 [2018-11-07 18:46:24,005 INFO L226 Difference]: Without dead ends: 4860 [2018-11-07 18:46:24,034 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 409 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=289, Invalid=901, Unknown=0, NotChecked=0, Total=1190 [2018-11-07 18:46:24,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4860 states. [2018-11-07 18:46:24,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4860 to 4456. [2018-11-07 18:46:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4456 states. [2018-11-07 18:46:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 5179 transitions. [2018-11-07 18:46:24,311 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 5179 transitions. Word has length 199 [2018-11-07 18:46:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:24,311 INFO L480 AbstractCegarLoop]: Abstraction has 4456 states and 5179 transitions. [2018-11-07 18:46:24,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:46:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 5179 transitions. [2018-11-07 18:46:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-11-07 18:46:24,329 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:24,329 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:24,329 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:24,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:24,330 INFO L82 PathProgramCache]: Analyzing trace with hash 66586733, now seen corresponding path program 1 times [2018-11-07 18:46:24,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:24,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:24,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:24,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:24,331 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 243 proven. 132 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-07 18:46:24,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:24,588 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:24,589 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 347 with the following transitions: [2018-11-07 18:46:24,589 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [59], [63], [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], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [351], [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], [543], [545], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:24,594 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:24,594 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:26,116 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:26,117 INFO L272 AbstractInterpreter]: Visited 119 different actions 584 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:46:26,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:26,157 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:26,910 INFO L227 lantSequenceWeakener]: Weakened 340 states. On average, predicates are now at 80.77% of their original sizes. [2018-11-07 18:46:26,911 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:27,547 INFO L415 sIntCurrentIteration]: We unified 345 AI predicates to 345 [2018-11-07 18:46:27,548 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:27,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:27,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 18:46:27,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:27,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:46:27,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:46:27,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:46:27,550 INFO L87 Difference]: Start difference. First operand 4456 states and 5179 transitions. Second operand 14 states. [2018-11-07 18:46:39,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:39,352 INFO L93 Difference]: Finished difference Result 6972 states and 8076 transitions. [2018-11-07 18:46:39,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 18:46:39,352 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 346 [2018-11-07 18:46:39,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:39,353 INFO L225 Difference]: With dead ends: 6972 [2018-11-07 18:46:39,353 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:46:39,367 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 360 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2018-11-07 18:46:39,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:46:39,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:46:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:46:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:46:39,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 346 [2018-11-07 18:46:39,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:39,368 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:46:39,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:46:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:46:39,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:46:39,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:46:39,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:39,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:40,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:40,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:40,119 WARN L179 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 209 [2018-11-07 18:46:40,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:40,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:40,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:40,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:46:40,825 WARN L179 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 163 [2018-11-07 18:46:41,219 WARN L179 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-11-07 18:46:41,473 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2018-11-07 18:46:47,413 WARN L179 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 304 DAG size of output: 128 [2018-11-07 18:46:48,674 WARN L179 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 236 DAG size of output: 113 [2018-11-07 18:46:49,786 WARN L179 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 245 DAG size of output: 117 [2018-11-07 18:46:49,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:46:49,791 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0)) [2018-11-07 18:46:49,791 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:46:49,791 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,791 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,791 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,791 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,791 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,791 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:46:49,792 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:46:49,793 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:46:49,794 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:46:49,795 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:46:49,796 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:46:49,797 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,798 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:46:49,799 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 478) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:46:49,800 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,801 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:46:49,802 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:46:49,803 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,804 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:46:49,805 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:46:49,806 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:46:49,806 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:46:49,806 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,806 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,806 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,806 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,807 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse22 (= ~a25~0 1)) (.cse21 (< |old(~a19~0)| 0)) (.cse5 (< |old(~a28~0)| 7)) (.cse8 (< 1 |old(~a25~0)|)) (.cse32 (< 1 |old(~a11~0)|)) (.cse29 (< 1 |old(~a19~0)|)) (.cse28 (not (= 1 ~a21~0)))) (let ((.cse0 (<= ~a28~0 10)) (.cse3 (let ((.cse33 (< (+ |old(~a19~0)| 1) 0))) (and (or .cse29 .cse28 .cse33 .cse8 .cse32) (or .cse29 .cse28 (< |old(~a28~0)| 8) .cse33 (< 3 |old(~a25~0)|))))) (.cse6 (< 10 |old(~a28~0)|)) (.cse12 (<= 7 ~a28~0)) (.cse16 (<= ~a25~0 1)) (.cse13 (<= 0 ~a25~0)) (.cse24 (= ~a11~0 0)) (.cse26 (= 1 ~a19~0)) (.cse15 (= ~a17~0 8)) (.cse20 (let ((.cse30 (< |old(~a11~0)| 0)) (.cse31 (< 11 |old(~a28~0)|))) (and (or .cse29 .cse28 .cse30 .cse8 .cse31 .cse5 .cse21) (or .cse29 .cse28 .cse30 .cse8 .cse32 .cse31 .cse5)))) (.cse4 (< |old(~a25~0)| 0)) (.cse11 (not (= 1 |old(~a11~0)|))) (.cse14 (= 1 ~a11~0)) (.cse27 (<= ~a17~0 |old(~a17~0)|)) (.cse23 (= |old(~a19~0)| ~a19~0)) (.cse17 (not .cse22)) (.cse25 (< 0 |old(~a19~0)|)) (.cse18 (< 7 |old(~a17~0)|)) (.cse19 (= 1 |old(~a25~0)|)) (.cse1 (< 6 |calculate_output_#in~input|)) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse10 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse3 .cse4 .cse11 .cse5 (and (<= ~a25~0 3) .cse12 .cse13 .cse14 .cse15 (or (and .cse0 .cse16) (and .cse0 (<= 8 ~a28~0)))) .cse6 .cse9 .cse10) (or .cse7 .cse17 .cse18 .cse19) (or .cse1 (or (not (= 10 |old(~a28~0)|)) (not .cse19) .cse2) .cse20 .cse21 .cse9 (and (or (and (= ~a28~0 10) .cse22) (= ~a19~0 1)) .cse23 .cse24 .cse15) .cse10) (or .cse17 .cse25 .cse11 .cse19) (or .cse1 .cse20 .cse17 .cse2 .cse4 .cse19 .cse7 .cse9 .cse10) (or .cse1 .cse3 .cse4 .cse11 .cse5 .cse6 .cse7 .cse9 .cse26 .cse10) (or (and .cse17 .cse12 .cse16 .cse23 .cse13 .cse24 (<= ~a28~0 8) .cse15) .cse1 .cse20 .cse2 .cse4 .cse21 .cse19 (< 8 |old(~a28~0)|) .cse9 .cse25 .cse10) (or .cse7 (and .cse27 .cse26) .cse18) (or .cse1 .cse3 .cse4 .cse11 .cse5 .cse19 .cse6 .cse17 .cse9 .cse10) (or .cse1 (and .cse12 .cse16 (<= ~a28~0 11) .cse13 .cse24 .cse26 .cse15) .cse20 .cse2 .cse4 .cse7 .cse9 .cse10) (or (and .cse27 .cse23 .cse14) .cse25 .cse11) (or .cse7 .cse11 .cse14 .cse18) (or (and .cse27 .cse23 .cse17) .cse25 .cse18 .cse19) (or (or .cse28 .cse1 (not (= 7 |old(~a28~0)|))) .cse2 .cse7 (= ~a28~0 7) .cse9 (not (= 0 |old(~a25~0)|)) .cse10)))) [2018-11-07 18:46:49,807 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,807 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,807 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:46:49,807 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:46:49,807 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:46:49,808 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:46:49,809 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:46:49,810 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,811 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:46:49,812 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:46:49,813 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:46:49,814 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:46:49,814 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:46:49,814 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:46:49,814 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 18:46:49,814 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:46:49,814 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:46:49,814 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)) (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)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 7) (= ~a17~0 8)) (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 18:46:49,815 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:46:49,815 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse13 (= ~a25~0 1))) (let ((.cse1 (<= ~a19~0 0)) (.cse3 (not .cse13)) (.cse0 (<= ~a17~0 7)) (.cse12 (= 1 ~a19~0)) (.cse4 (<= 1 main_~input~0)) (.cse5 (<= main_~input~0 6)) (.cse9 (= ~a11~0 0)) (.cse2 (= 1 ~a11~0)) (.cse6 (<= 7 ~a28~0)) (.cse7 (<= ~a25~0 1)) (.cse8 (<= 0 ~a25~0)) (.cse10 (<= ~a19~0 1)) (.cse11 (= ~a17~0 8))) (or (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 .cse1 .cse2) (not (= |old(~a11~0)| 0)) (and (<= ~a17~0 |old(~a17~0)|) .cse1 .cse3 .cse2) (not (= ~z~0 26)) (and .cse4 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 0 ~a19~0) .cse10 .cse11 (<= ~a28~0 8)) (not (= 0 |old(~a25~0)|)) (and .cse11 (= ~a28~0 7) (and .cse9 (= ~a25~0 0) .cse12)) (not (= 3 ~c~0)) (and .cse0 .cse2 .cse12) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse11 (and .cse4 .cse5 (or (and (= ~a28~0 10) (= ~a19~0 0) .cse9 .cse13) (and (<= ~a28~0 11) .cse8 .cse9 (= ~a19~0 1) .cse6 .cse7)))) (and .cse2 (let ((.cse14 (<= ~a28~0 10)) (.cse15 (<= 0 (+ ~a19~0 1)))) (or (and .cse8 .cse10 .cse14 .cse11 .cse6 .cse15 .cse7) (and (<= ~a25~0 3) .cse8 .cse10 .cse14 .cse11 .cse15 (<= 8 ~a28~0))))) (not (= 6 ~f~0))))) [2018-11-07 18:46:49,815 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:46:49,815 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:46:49,816 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse13 (= ~a25~0 1))) (let ((.cse10 (<= ~a19~0 0)) (.cse9 (<= ~a17~0 7)) (.cse5 (= 1 ~a11~0)) (.cse11 (not .cse13)) (.cse7 (<= ~a19~0 1)) (.cse8 (= ~a17~0 8)) (.cse4 (<= 1 main_~input~0)) (.cse6 (<= main_~input~0 6)) (.cse0 (<= 0 ~a25~0)) (.cse12 (= ~a11~0 0)) (.cse2 (<= 7 ~a28~0)) (.cse3 (<= ~a25~0 1))) (or (and (let ((.cse1 (<= ~a28~0 10))) (or (and (<= ~a25~0 3) .cse0 .cse1 (<= 8 ~a28~0)) (and .cse0 .cse1 .cse2 .cse3))) .cse4 .cse5 .cse6 .cse7 .cse8 (<= 0 (+ ~a19~0 1))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse9 .cse10 .cse5) (not (= |old(~a11~0)| 0)) (and (<= ~a17~0 |old(~a17~0)|) .cse10 .cse11 .cse5) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (and .cse9 .cse5 (= 1 ~a19~0)) (not (= 23 ~w~0)) (and .cse11 .cse4 .cse6 .cse2 .cse3 .cse12 .cse0 (<= 0 ~a19~0) .cse7 (<= ~a28~0 8) .cse8) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse8 (and .cse4 .cse6 (or (and (= ~a28~0 10) (= ~a19~0 0) .cse12 .cse13) (and (<= ~a28~0 11) .cse0 .cse12 (= ~a19~0 1) .cse2 .cse3)))) (not (= 6 ~f~0))))) [2018-11-07 18:46:49,816 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:46:49,816 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:46:49,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:46:49 BoogieIcfgContainer [2018-11-07 18:46:49,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:46:49,832 INFO L168 Benchmark]: Toolchain (without parser) took 89160.51 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:46:49,834 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:46:49,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:46:49,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.85 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 723.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2018-11-07 18:46:49,836 INFO L168 Benchmark]: Boogie Preprocessor took 114.19 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 18:46:49,836 INFO L168 Benchmark]: RCFGBuilder took 3855.89 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 7.1 GB. [2018-11-07 18:46:49,837 INFO L168 Benchmark]: TraceAbstraction took 84354.59 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -858.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:46:49,842 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 123.85 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 723.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.19 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 3855.89 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 84354.59 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -858.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 478]: 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: ((((((((((((((((((((((!(a21 == 1) || !(y == 25)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || ((a17 <= 7 && a19 <= 0) && 1 == a11)) || !(\old(a11) == 0)) || (((a17 <= \old(a17) && a19 <= 0) && !(a25 == 1)) && 1 == a11)) || !(z == 26)) || ((((((((((1 <= input && !(a25 == 1)) && input <= 6) && 7 <= a28) && a25 <= 1) && 0 <= a25) && a11 == 0) && 0 <= a19) && a19 <= 1) && a17 == 8) && a28 <= 8)) || !(0 == \old(a25))) || ((a17 == 8 && a28 == 7) && (a11 == 0 && a25 == 0) && 1 == a19)) || !(3 == c)) || ((a17 <= 7 && 1 == a11) && 1 == a19)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || (a17 == 8 && (1 <= input && input <= 6) && ((((a28 == 10 && a19 == 0) && a11 == 0) && a25 == 1) || (((((a28 <= 11 && 0 <= a25) && a11 == 0) && a19 == 1) && 7 <= a28) && a25 <= 1)))) || (1 == a11 && (((((((0 <= a25 && a19 <= 1) && a28 <= 10) && a17 == 8) && 7 <= a28) && 0 <= a19 + 1) && a25 <= 1) || ((((((a25 <= 3 && 0 <= a25) && a19 <= 1) && a28 <= 10) && a17 == 8) && 0 <= a19 + 1) && 8 <= a28)))) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 84.2s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 60.5s AutomataDifference, 0.0s DeadEndRemovalTime, 10.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1523 SDtfs, 7564 SDslu, 2049 SDs, 0 SdLazy, 11100 SolverSat, 1986 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1351 GetRequests, 1213 SyntacticMatches, 7 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4456occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9969765271779869 AbsIntWeakeningRatio, 0.20405727923627684 AbsIntAvgWeakeningVarsNumRemoved, 27.83890214797136 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 597 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 139 PreInvPairs, 223 NumberOfFragments, 1559 HoareAnnotationTreeSize, 139 FomulaSimplifications, 21153 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16970 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1590 NumberOfCodeBlocks, 1590 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1779 ConstructedInterpolants, 0 QuantifiedInterpolants, 727041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1042/1286 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...