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/Problem10_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:30:01,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:30:01,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:30:01,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:30:01,806 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:30:01,807 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:30:01,809 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:30:01,810 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:30:01,812 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:30:01,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:30:01,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:30:01,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:30:01,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:30:01,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:30:01,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:30:01,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:30:01,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:30:01,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:30:01,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:30:01,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:30:01,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:30:01,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:30:01,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:30:01,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:30:01,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:30:01,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:30:01,834 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:30:01,834 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:30:01,835 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:30:01,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:30:01,836 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:30:01,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:30:01,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:30:01,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:30:01,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:30:01,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:30:01,844 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 18:30:01,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:30:01,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:30:01,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:30:01,866 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:30:01,866 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:30:01,867 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:30:01,867 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:30:01,867 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:30:01,867 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:30:01,867 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:30:01,868 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:30:01,868 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:30:01,868 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:30:01,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:30:01,869 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:30:01,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:30:01,869 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:30:01,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:30:01,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:30:01,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:30:01,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:30:01,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:30:01,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:30:01,871 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:30:01,871 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:30:01,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:30:01,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:30:01,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:30:01,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:30:01,872 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:30:01,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:30:01,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:30:01,873 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:30:01,873 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:30:01,873 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:30:01,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:30:01,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:30:01,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:30:01,933 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:30:01,934 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:30:01,934 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-12 18:30:01,997 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a0ee3f6/776007b9a58c4d95ab0e9e0d6cfc1758/FLAG509f37946 [2018-11-12 18:30:02,565 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:30:02,565 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-12 18:30:02,587 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a0ee3f6/776007b9a58c4d95ab0e9e0d6cfc1758/FLAG509f37946 [2018-11-12 18:30:02,609 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a0ee3f6/776007b9a58c4d95ab0e9e0d6cfc1758 [2018-11-12 18:30:02,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:30:02,623 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:30:02,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:30:02,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:30:02,628 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:30:02,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:30:02" (1/1) ... [2018-11-12 18:30:02,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140a0bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:02, skipping insertion in model container [2018-11-12 18:30:02,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:30:02" (1/1) ... [2018-11-12 18:30:02,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:30:02,709 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:30:03,176 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:30:03,180 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:30:03,310 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:30:03,332 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:30:03,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03 WrapperNode [2018-11-12 18:30:03,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:30:03,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:30:03,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:30:03,334 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:30:03,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:30:03,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:30:03,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:30:03,447 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:30:03,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... [2018-11-12 18:30:03,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:30:03,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:30:03,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:30:03,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:30:03,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:30:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:30:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:30:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:30:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:30:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:30:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:30:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:30:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:30:03,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:30:06,529 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:30:06,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:30:06 BoogieIcfgContainer [2018-11-12 18:30:06,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:30:06,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:30:06,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:30:06,538 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:30:06,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:30:02" (1/3) ... [2018-11-12 18:30:06,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a23caa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:30:06, skipping insertion in model container [2018-11-12 18:30:06,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:30:03" (2/3) ... [2018-11-12 18:30:06,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a23caa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:30:06, skipping insertion in model container [2018-11-12 18:30:06,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:30:06" (3/3) ... [2018-11-12 18:30:06,545 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label13_true-unreach-call.c [2018-11-12 18:30:06,556 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:30:06,569 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:30:06,587 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:30:06,629 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:30:06,629 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:30:06,629 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:30:06,629 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:30:06,630 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:30:06,630 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:30:06,630 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:30:06,630 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:30:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-12 18:30:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-12 18:30:06,668 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:30:06,669 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] [2018-11-12 18:30:06,672 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:30:06,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:30:06,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1833590460, now seen corresponding path program 1 times [2018-11-12 18:30:06,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:30:06,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:06,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:30:06,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:06,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:30:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:30:07,193 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:30:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:30:07,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:30:07,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 18:30:07,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:30:07,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:30:07,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:30:07,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:30:07,289 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-12 18:30:08,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:30:08,759 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-12 18:30:08,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:30:08,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-12 18:30:08,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:30:08,779 INFO L225 Difference]: With dead ends: 574 [2018-11-12 18:30:08,779 INFO L226 Difference]: Without dead ends: 356 [2018-11-12 18:30:08,786 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:30:08,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-12 18:30:08,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-12 18:30:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-12 18:30:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-12 18:30:08,876 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 62 [2018-11-12 18:30:08,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:30:08,877 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-12 18:30:08,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:30:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-12 18:30:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-12 18:30:08,892 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:30:08,893 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:30:08,893 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:30:08,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:30:08,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1187218136, now seen corresponding path program 1 times [2018-11-12 18:30:08,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:30:08,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:08,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:30:08,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:08,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:30:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:30:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:30:09,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:30:09,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 18:30:09,324 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:30:09,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 18:30:09,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 18:30:09,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 18:30:09,327 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-12 18:30:12,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:30:12,002 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-11-12 18:30:12,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:30:12,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2018-11-12 18:30:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:30:12,010 INFO L225 Difference]: With dead ends: 1140 [2018-11-12 18:30:12,011 INFO L226 Difference]: Without dead ends: 790 [2018-11-12 18:30:12,016 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-12 18:30:12,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-12 18:30:12,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-11-12 18:30:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-12 18:30:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-11-12 18:30:12,063 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 182 [2018-11-12 18:30:12,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:30:12,064 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-11-12 18:30:12,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 18:30:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-11-12 18:30:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-12 18:30:12,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:30:12,072 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:30:12,072 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:30:12,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:30:12,073 INFO L82 PathProgramCache]: Analyzing trace with hash 853127875, now seen corresponding path program 1 times [2018-11-12 18:30:12,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:30:12,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:12,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:30:12,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:12,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:30:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:30:12,409 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:30:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:30:12,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:30:12,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 18:30:12,793 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:30:12,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 18:30:12,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 18:30:12,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 18:30:12,794 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-11-12 18:30:16,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:30:16,149 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-11-12 18:30:16,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:30:16,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-11-12 18:30:16,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:30:16,165 INFO L225 Difference]: With dead ends: 1975 [2018-11-12 18:30:16,165 INFO L226 Difference]: Without dead ends: 1197 [2018-11-12 18:30:16,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 18:30:16,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-11-12 18:30:16,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-11-12 18:30:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-12 18:30:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-11-12 18:30:16,229 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 189 [2018-11-12 18:30:16,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:30:16,230 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-11-12 18:30:16,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 18:30:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-11-12 18:30:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-12 18:30:16,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:30:16,240 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:30:16,240 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:30:16,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:30:16,241 INFO L82 PathProgramCache]: Analyzing trace with hash 751323799, now seen corresponding path program 1 times [2018-11-12 18:30:16,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:30:16,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:16,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:30:16,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:16,242 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:30:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:30:16,888 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 18:30:17,450 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-12 18:30:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:30:17,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:30:17,767 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:30:17,768 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-11-12 18:30:17,771 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:30:17,816 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:30:17,817 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:30:18,246 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:30:19,128 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:30:19,130 INFO L272 AbstractInterpreter]: Visited 128 different actions 371 times. Merged at 5 different actions 9 times. Never widened. Performed 4656 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4656 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:30:19,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:30:19,169 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:30:20,102 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 75.53% of their original sizes. [2018-11-12 18:30:20,102 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:30:21,558 INFO L415 sIntCurrentIteration]: We unified 252 AI predicates to 252 [2018-11-12 18:30:21,559 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:30:21,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:30:21,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-11-12 18:30:21,560 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:30:21,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-12 18:30:21,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-12 18:30:21,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-11-12 18:30:21,562 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 21 states. [2018-11-12 18:30:47,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:30:47,288 INFO L93 Difference]: Finished difference Result 2877 states and 4372 transitions. [2018-11-12 18:30:47,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-12 18:30:47,289 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 253 [2018-11-12 18:30:47,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:30:47,298 INFO L225 Difference]: With dead ends: 2877 [2018-11-12 18:30:47,298 INFO L226 Difference]: Without dead ends: 1706 [2018-11-12 18:30:47,304 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 273 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2018-11-12 18:30:47,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2018-11-12 18:30:47,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1693. [2018-11-12 18:30:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1693 states. [2018-11-12 18:30:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2299 transitions. [2018-11-12 18:30:47,354 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2299 transitions. Word has length 253 [2018-11-12 18:30:47,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:30:47,355 INFO L480 AbstractCegarLoop]: Abstraction has 1693 states and 2299 transitions. [2018-11-12 18:30:47,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-12 18:30:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2299 transitions. [2018-11-12 18:30:47,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-12 18:30:47,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:30:47,362 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:30:47,363 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:30:47,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:30:47,363 INFO L82 PathProgramCache]: Analyzing trace with hash 802766300, now seen corresponding path program 1 times [2018-11-12 18:30:47,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:30:47,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:47,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:30:47,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:30:47,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:30:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:30:47,667 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:30:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-12 18:30:48,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:30:48,576 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:30:48,576 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-12 18:30:48,577 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:30:48,587 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:30:48,587 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:30:48,693 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:30:49,391 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:30:49,392 INFO L272 AbstractInterpreter]: Visited 128 different actions 738 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Performed 9257 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9257 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:30:49,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:30:49,418 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:30:49,774 INFO L227 lantSequenceWeakener]: Weakened 259 states. On average, predicates are now at 73.44% of their original sizes. [2018-11-12 18:30:49,774 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:30:50,086 INFO L415 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-11-12 18:30:50,087 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:30:50,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:30:50,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-12 18:30:50,087 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:30:50,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 18:30:50,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 18:30:50,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 18:30:50,089 INFO L87 Difference]: Start difference. First operand 1693 states and 2299 transitions. Second operand 10 states. [2018-11-12 18:31:00,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:00,797 INFO L93 Difference]: Finished difference Result 4042 states and 5755 transitions. [2018-11-12 18:31:00,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-12 18:31:00,797 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 262 [2018-11-12 18:31:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:00,809 INFO L225 Difference]: With dead ends: 4042 [2018-11-12 18:31:00,809 INFO L226 Difference]: Without dead ends: 2651 [2018-11-12 18:31:00,814 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-12 18:31:00,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2651 states. [2018-11-12 18:31:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2651 to 2549. [2018-11-12 18:31:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2549 states. [2018-11-12 18:31:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3363 transitions. [2018-11-12 18:31:00,879 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3363 transitions. Word has length 262 [2018-11-12 18:31:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:00,880 INFO L480 AbstractCegarLoop]: Abstraction has 2549 states and 3363 transitions. [2018-11-12 18:31:00,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 18:31:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3363 transitions. [2018-11-12 18:31:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-12 18:31:00,891 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:00,891 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:31:00,891 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:00,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:00,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2092924844, now seen corresponding path program 1 times [2018-11-12 18:31:00,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:00,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:00,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:00,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:00,893 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:01,319 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-12 18:31:01,514 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 18:31:01,754 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-11-12 18:31:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 224 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:31:02,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:02,519 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:31:02,519 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 299 with the following transitions: [2018-11-12 18:31:02,520 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:31:02,524 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:31:02,524 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:31:02,627 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:31:02,738 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:31:02,738 INFO L272 AbstractInterpreter]: Visited 128 different actions 252 times. Merged at 5 different actions 7 times. Never widened. Performed 3766 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3766 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:31:02,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:02,744 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:31:03,156 INFO L227 lantSequenceWeakener]: Weakened 110 states. On average, predicates are now at 76.88% of their original sizes. [2018-11-12 18:31:03,157 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:31:03,981 INFO L415 sIntCurrentIteration]: We unified 297 AI predicates to 297 [2018-11-12 18:31:03,981 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:31:03,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:31:03,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [15] total 36 [2018-11-12 18:31:03,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:03,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-12 18:31:03,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-12 18:31:03,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-11-12 18:31:03,983 INFO L87 Difference]: Start difference. First operand 2549 states and 3363 transitions. Second operand 23 states. [2018-11-12 18:31:20,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:20,690 INFO L93 Difference]: Finished difference Result 6130 states and 8489 transitions. [2018-11-12 18:31:20,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-12 18:31:20,691 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 298 [2018-11-12 18:31:20,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:20,712 INFO L225 Difference]: With dead ends: 6130 [2018-11-12 18:31:20,712 INFO L226 Difference]: Without dead ends: 3883 [2018-11-12 18:31:20,722 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 322 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2018-11-12 18:31:20,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2018-11-12 18:31:21,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 3832. [2018-11-12 18:31:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3832 states. [2018-11-12 18:31:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 4851 transitions. [2018-11-12 18:31:21,328 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 4851 transitions. Word has length 298 [2018-11-12 18:31:21,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:21,329 INFO L480 AbstractCegarLoop]: Abstraction has 3832 states and 4851 transitions. [2018-11-12 18:31:21,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-12 18:31:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 4851 transitions. [2018-11-12 18:31:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-12 18:31:21,345 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:21,345 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 18:31:21,346 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:21,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:21,346 INFO L82 PathProgramCache]: Analyzing trace with hash 117336083, now seen corresponding path program 1 times [2018-11-12 18:31:21,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:21,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:21,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:21,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:21,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:21,823 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-12 18:31:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 303 proven. 72 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-12 18:31:22,300 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:22,301 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:31:22,301 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 330 with the following transitions: [2018-11-12 18:31:22,301 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:31:22,305 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:31:22,305 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:31:22,363 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:31:22,765 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:31:22,765 INFO L272 AbstractInterpreter]: Visited 129 different actions 504 times. Merged at 7 different actions 21 times. Never widened. Performed 8157 root evaluator evaluations with a maximum evaluation depth of 6. Performed 8157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-12 18:31:22,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:22,772 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:31:23,182 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 75.51% of their original sizes. [2018-11-12 18:31:23,182 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:31:23,601 INFO L415 sIntCurrentIteration]: We unified 328 AI predicates to 328 [2018-11-12 18:31:23,601 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:31:23,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:31:23,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-11-12 18:31:23,601 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:23,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-12 18:31:23,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-12 18:31:23,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2018-11-12 18:31:23,603 INFO L87 Difference]: Start difference. First operand 3832 states and 4851 transitions. Second operand 21 states. [2018-11-12 18:31:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:32,623 INFO L93 Difference]: Finished difference Result 8155 states and 10466 transitions. [2018-11-12 18:31:32,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-12 18:31:32,623 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 329 [2018-11-12 18:31:32,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:32,643 INFO L225 Difference]: With dead ends: 8155 [2018-11-12 18:31:32,643 INFO L226 Difference]: Without dead ends: 4923 [2018-11-12 18:31:32,652 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 342 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=228, Invalid=962, Unknown=0, NotChecked=0, Total=1190 [2018-11-12 18:31:32,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2018-11-12 18:31:32,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 4863. [2018-11-12 18:31:32,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4863 states. [2018-11-12 18:31:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4863 states to 4863 states and 6002 transitions. [2018-11-12 18:31:32,768 INFO L78 Accepts]: Start accepts. Automaton has 4863 states and 6002 transitions. Word has length 329 [2018-11-12 18:31:32,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:32,769 INFO L480 AbstractCegarLoop]: Abstraction has 4863 states and 6002 transitions. [2018-11-12 18:31:32,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-12 18:31:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4863 states and 6002 transitions. [2018-11-12 18:31:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-12 18:31:32,785 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:32,786 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 18:31:32,786 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:32,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:32,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1208182657, now seen corresponding path program 1 times [2018-11-12 18:31:32,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:32,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:32,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:32,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:32,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 241 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 18:31:33,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:33,517 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:31:33,518 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-11-12 18:31:33,518 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:31:33,521 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:31:33,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:31:33,580 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:31:34,578 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:31:34,578 INFO L272 AbstractInterpreter]: Visited 129 different actions 634 times. Merged at 7 different actions 33 times. Widened at 1 different actions 1 times. Performed 8166 root evaluator evaluations with a maximum evaluation depth of 6. Performed 8166 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-12 18:31:34,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:34,585 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:31:34,882 INFO L227 lantSequenceWeakener]: Weakened 332 states. On average, predicates are now at 73.31% of their original sizes. [2018-11-12 18:31:34,883 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:31:34,966 INFO L415 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2018-11-12 18:31:34,966 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:31:34,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:31:34,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-12 18:31:34,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:34,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 18:31:34,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 18:31:34,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 18:31:34,970 INFO L87 Difference]: Start difference. First operand 4863 states and 6002 transitions. Second operand 10 states. [2018-11-12 18:31:42,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:42,971 INFO L93 Difference]: Finished difference Result 10289 states and 13108 transitions. [2018-11-12 18:31:42,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-12 18:31:42,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 335 [2018-11-12 18:31:42,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:42,995 INFO L225 Difference]: With dead ends: 10289 [2018-11-12 18:31:42,995 INFO L226 Difference]: Without dead ends: 6630 [2018-11-12 18:31:43,005 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 342 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-12 18:31:43,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6630 states. [2018-11-12 18:31:43,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6630 to 6559. [2018-11-12 18:31:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6559 states. [2018-11-12 18:31:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 8006 transitions. [2018-11-12 18:31:43,142 INFO L78 Accepts]: Start accepts. Automaton has 6559 states and 8006 transitions. Word has length 335 [2018-11-12 18:31:43,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:43,142 INFO L480 AbstractCegarLoop]: Abstraction has 6559 states and 8006 transitions. [2018-11-12 18:31:43,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 18:31:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 6559 states and 8006 transitions. [2018-11-12 18:31:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-12 18:31:43,165 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:43,165 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 18:31:43,167 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:43,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:43,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1190754612, now seen corresponding path program 1 times [2018-11-12 18:31:43,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:43,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:43,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:43,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:43,169 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:43,474 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:31:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 171 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-12 18:31:43,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:43,847 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:31:43,847 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-11-12 18:31:43,848 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:31:43,850 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:31:43,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:31:43,903 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:31:44,244 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:31:44,245 INFO L272 AbstractInterpreter]: Visited 130 different actions 518 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Performed 6739 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6739 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-12 18:31:44,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:44,247 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:31:44,247 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:44,247 INFO L192 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 [2018-11-12 18:31:44,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:44,258 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:31:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:44,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:31:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-12 18:31:44,801 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:31:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 246 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 18:31:45,302 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:31:45,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-12 18:31:45,303 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:31:45,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 18:31:45,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 18:31:45,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-12 18:31:45,308 INFO L87 Difference]: Start difference. First operand 6559 states and 8006 transitions. Second operand 11 states. [2018-11-12 18:31:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:49,326 INFO L93 Difference]: Finished difference Result 14771 states and 18830 transitions. [2018-11-12 18:31:49,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-12 18:31:49,327 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 340 [2018-11-12 18:31:49,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:49,345 INFO L225 Difference]: With dead ends: 14771 [2018-11-12 18:31:49,345 INFO L226 Difference]: Without dead ends: 5217 [2018-11-12 18:31:49,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 687 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-12 18:31:49,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5217 states. [2018-11-12 18:31:49,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5217 to 4406. [2018-11-12 18:31:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4406 states. [2018-11-12 18:31:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4406 states to 4406 states and 4934 transitions. [2018-11-12 18:31:49,479 INFO L78 Accepts]: Start accepts. Automaton has 4406 states and 4934 transitions. Word has length 340 [2018-11-12 18:31:49,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:49,479 INFO L480 AbstractCegarLoop]: Abstraction has 4406 states and 4934 transitions. [2018-11-12 18:31:49,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 18:31:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4406 states and 4934 transitions. [2018-11-12 18:31:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-12 18:31:49,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:49,494 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:31:49,494 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:49,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:49,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1201621420, now seen corresponding path program 1 times [2018-11-12 18:31:49,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:49,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:49,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:49,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:49,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 309 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:31:50,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:50,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:31:50,739 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-11-12 18:31:50,739 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:31:50,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:31:50,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:31:50,781 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:31:51,084 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:31:51,085 INFO L272 AbstractInterpreter]: Visited 130 different actions 510 times. Merged at 8 different actions 26 times. Never widened. Performed 5715 root evaluator evaluations with a maximum evaluation depth of 6. Performed 5715 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-12 18:31:51,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:51,090 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:31:51,090 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:51,090 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:31:51,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:51,101 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:31:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:51,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:32:02,965 WARN L179 SmtUtils]: Spent 11.50 s on a formula simplification. DAG size of input: 179 DAG size of output: 47 [2018-11-12 18:32:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 379 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-12 18:32:03,513 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:32:04,012 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-12 18:32:04,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:04,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 118 [2018-11-12 18:32:05,898 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2018-11-12 18:32:05,902 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:05,950 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:05,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,047 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,173 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,229 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,440 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,647 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,747 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,796 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:06,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:07,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:07,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:07,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:07,596 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:08,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:08,433 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:08,482 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:08,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:08,585 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:08,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:08,804 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,214 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,380 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,429 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,483 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,588 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,698 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,927 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:09,993 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,038 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,082 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,132 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,180 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,274 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,325 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,369 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,415 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:10,597 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,031 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,139 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,247 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,313 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,361 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,408 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,459 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,524 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,785 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,882 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:11,976 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,025 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,073 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,122 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,253 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,348 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,396 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,442 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:12,584 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:13,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:13,392 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:13,440 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:13,486 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:13,531 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:13,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:13,912 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,100 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,188 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,330 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,597 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,724 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,788 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,916 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:14,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:15,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:15,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:15,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:32:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 171 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 18:32:15,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:32:15,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-12 18:32:15,836 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:32:15,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-12 18:32:15,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-12 18:32:15,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-11-12 18:32:15,839 INFO L87 Difference]: Start difference. First operand 4406 states and 4934 transitions. Second operand 23 states. [2018-11-12 18:32:17,552 WARN L179 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2018-11-12 18:32:31,343 WARN L179 SmtUtils]: Spent 12.19 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-11-12 18:32:32,435 WARN L179 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2018-11-12 18:32:37,827 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-11-12 18:32:38,782 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-11-12 18:32:42,904 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2018-11-12 18:32:43,540 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2018-11-12 18:32:44,666 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 37 [2018-11-12 18:32:45,818 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2018-11-12 18:32:47,314 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2018-11-12 18:32:49,583 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-11-12 18:32:57,245 WARN L179 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-12 18:32:57,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:32:57,771 INFO L93 Difference]: Finished difference Result 11664 states and 14380 transitions. [2018-11-12 18:32:57,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-11-12 18:32:57,772 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 376 [2018-11-12 18:32:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:32:57,773 INFO L225 Difference]: With dead ends: 11664 [2018-11-12 18:32:57,773 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 18:32:57,794 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 652 SyntacticMatches, 113 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8972 ImplicationChecksByTransitivity, 44.5s TimeCoverageRelationStatistics Valid=2798, Invalid=16108, Unknown=0, NotChecked=0, Total=18906 [2018-11-12 18:32:57,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 18:32:57,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 18:32:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 18:32:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 18:32:57,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2018-11-12 18:32:57,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:32:57,795 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 18:32:57,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-12 18:32:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 18:32:57,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 18:32:57,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 18:32:58,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:58,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,152 WARN L179 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 245 [2018-11-12 18:32:59,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:32:59,699 WARN L179 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 215 [2018-11-12 18:33:00,330 WARN L179 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-11-12 18:33:01,901 WARN L179 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2018-11-12 18:33:04,043 WARN L179 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 358 DAG size of output: 73 [2018-11-12 18:33:05,074 WARN L179 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 260 DAG size of output: 62 [2018-11-12 18:33:06,113 WARN L179 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 237 DAG size of output: 70 [2018-11-12 18:33:06,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:33:06,117 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-12 18:33:06,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:33:06,117 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-12 18:33:06,117 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,117 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,117 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-12 18:33:06,118 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,119 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-12 18:33:06,120 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,121 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-12 18:33:06,122 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,123 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-12 18:33:06,124 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,125 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-12 18:33:06,126 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-12 18:33:06,127 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,128 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-12 18:33:06,129 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,130 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-12 18:33:06,131 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-12 18:33:06,132 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-12 18:33:06,132 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-12 18:33:06,132 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-12 18:33:06,132 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse15 (= |old(~a19~0)| ~a19~0)) (.cse2 (= |old(~a10~0)| ~a10~0)) (.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse13 (< 6 |calculate_output_#in~input|)) (.cse14 (< |calculate_output_#in~input| 2)) (.cse6 (= 1 |old(~a10~0)|)) (.cse8 (not (= 14 ~a4~0))) (.cse9 (not (= 0 ~a12~0))) (.cse12 (= 9 |old(~a19~0)|))) (let ((.cse0 (or .cse13 .cse14 (let ((.cse16 (not .cse12))) (and (or .cse8 .cse9 .cse16 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) (or (not .cse6) .cse8 .cse9 .cse16))))) (.cse5 (and .cse15 .cse2 .cse1)) (.cse3 (< 8 |old(~a19~0)|)) (.cse10 (and .cse7 .cse2 .cse1)) (.cse4 (= 6 |old(~a19~0)|)) (.cse11 (= 8 |old(~a19~0)|))) (and (or .cse0 (and .cse1 (= 9 ~a19~0))) (or .cse2 .cse0) (or .cse3 .cse4 .cse5 .cse6) (or (and .cse1 .cse7 .cse2) .cse8 .cse9 .cse6 (< |old(~a19~0)| 9)) (or .cse10 .cse8 .cse9 (< 33 |old(~a1~0)|) .cse6) (or .cse5 .cse3 .cse4 .cse11) (or .cse8 .cse9 .cse10 .cse12 .cse4 .cse11) (or .cse13 (< |old(~a1~0)| 23) .cse14 .cse8 (< |old(~a19~0)| 7) (and .cse1 .cse15 .cse2) (< 2147483647 |old(~a1~0)|) .cse9)))) [2018-11-12 18:33:06,132 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-12 18:33:06,132 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-12 18:33:06,133 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-12 18:33:06,134 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-12 18:33:06,135 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,136 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-12 18:33:06,137 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:33:06,138 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4) (= 9 ~a19~0)) [2018-11-12 18:33:06,138 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 18:33:06,138 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:33:06,139 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0))) [2018-11-12 18:33:06,139 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-12 18:33:06,139 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse1 (<= main_~input~0 6)) (.cse2 (<= 2 main_~input~0)) (.cse3 (not (= ~a10~0 1)))) (or (and .cse0 (not (= ~a19~0 8)) (not (= ~a19~0 9))) (not (= |old(~a1~0)| 23)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) .cse1 (<= ~a1~0 2147483647) (<= 7 ~a19~0) .cse2) (and .cse0 .cse3) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (and (and .cse1 .cse2) (= 9 ~a19~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a1~0 33) .cse3))) [2018-11-12 18:33:06,139 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-12 18:33:06,139 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-12 18:33:06,139 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-12 18:33:06,139 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse1 (not (= ~a10~0 1)))) (or (and .cse0 (not (= ~a19~0 8))) (not (= |old(~a1~0)| 23)) (and (<= 23 ~a1~0) (<= ~a1~0 2147483647) (<= 7 ~a19~0)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (and .cse0 .cse1) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a1~0 33) .cse1))) [2018-11-12 18:33:06,140 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-12 18:33:06,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:33:06 BoogieIcfgContainer [2018-11-12 18:33:06,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 18:33:06,158 INFO L168 Benchmark]: Toolchain (without parser) took 183535.37 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2018-11-12 18:33:06,159 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 18:33:06,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.77 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. [2018-11-12 18:33:06,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.33 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 726.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-12 18:33:06,161 INFO L168 Benchmark]: Boogie Preprocessor took 110.58 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. [2018-11-12 18:33:06,161 INFO L168 Benchmark]: RCFGBuilder took 2974.84 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: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. [2018-11-12 18:33:06,162 INFO L168 Benchmark]: TraceAbstraction took 179623.05 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -697.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-11-12 18:33:06,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 708.77 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 113.33 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 726.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.58 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 2974.84 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: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 179623.05 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -697.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((!(a19 == 6) && !(a19 == 8)) || !(\old(a1) == 23)) || ((23 <= a1 && a1 <= 2147483647) && 7 <= a19)) || !(inputF == 6)) || !(\old(a10) == 0)) || (!(a19 == 6) && !(a10 == 1))) || !(a12 == 0)) || !(4 == inputD)) || !(inputE == 5)) || !(14 == a4)) || !(3 == inputC)) || !(2 == inputB)) || !(\old(a19) == 9)) || (a1 <= 33 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 179.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 123.8s AutomataDifference, 0.0s DeadEndRemovalTime, 8.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1373 SDtfs, 22431 SDslu, 3008 SDs, 0 SdLazy, 24379 SolverSat, 5356 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 46.5s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3187 GetRequests, 2743 SyntacticMatches, 121 SemanticMatches, 323 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10414 ImplicationChecksByTransitivity, 51.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6559occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.7s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9971055863876707 AbsIntWeakeningRatio, 0.09646739130434782 AbsIntAvgWeakeningVarsNumRemoved, 18.815217391304348 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1134 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 208 PreInvPairs, 438 NumberOfFragments, 538 HoareAnnotationTreeSize, 208 FomulaSimplifications, 28876 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 27359 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 32.9s InterpolantComputationTime, 3342 NumberOfCodeBlocks, 3342 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 4044 ConstructedInterpolants, 126 QuantifiedInterpolants, 11877358 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 3217/3995 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...