java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:11:24,637 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:11:24,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:11:24,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:11:24,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:11:24,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:11:24,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:11:24,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:11:24,662 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:11:24,663 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:11:24,663 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:11:24,664 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:11:24,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:11:24,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:11:24,667 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:11:24,668 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:11:24,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:11:24,670 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:11:24,672 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:11:24,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:11:24,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:11:24,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:11:24,679 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:11:24,679 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:11:24,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:11:24,680 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:11:24,681 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:11:24,682 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:11:24,683 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:11:24,684 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:11:24,684 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:11:24,685 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:11:24,685 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:11:24,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:11:24,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:11:24,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:11:24,688 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 06:11:24,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:11:24,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:11:24,705 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 06:11:24,705 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 06:11:24,706 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 06:11:24,706 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 06:11:24,706 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 06:11:24,706 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 06:11:24,706 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 06:11:24,707 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 06:11:24,707 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 06:11:24,707 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 06:11:24,707 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 06:11:24,707 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 06:11:24,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:11:24,708 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:11:24,708 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:11:24,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 06:11:24,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 06:11:24,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 06:11:24,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:11:24,709 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 06:11:24,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:11:24,710 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:11:24,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 06:11:24,710 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 06:11:24,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:11:24,711 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:11:24,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 06:11:24,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 06:11:24,711 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 06:11:24,711 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 06:11:24,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 06:11:24,712 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 06:11:24,712 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 06:11:24,712 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 06:11:24,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:11:24,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:11:24,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:11:24,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:11:24,806 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:11:24,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-27 06:11:24,875 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d3d6ebe69/4c30adba6c294cbf8e0dd2a96e1392dd/FLAGaa3c9b0fd [2018-10-27 06:11:25,436 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:11:25,437 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-27 06:11:25,451 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d3d6ebe69/4c30adba6c294cbf8e0dd2a96e1392dd/FLAGaa3c9b0fd [2018-10-27 06:11:25,471 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d3d6ebe69/4c30adba6c294cbf8e0dd2a96e1392dd [2018-10-27 06:11:25,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:11:25,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 06:11:25,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:25,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:11:25,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:11:25,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cedf44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:25, skipping insertion in model container [2018-10-27 06:11:25,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:25" (1/1) ... [2018-10-27 06:11:25,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:11:25,596 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:11:26,088 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:26,094 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:11:26,251 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:26,272 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:11:26,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26 WrapperNode [2018-10-27 06:11:26,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:26,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:26,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:11:26,275 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:11:26,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:26,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:11:26,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:11:26,498 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:11:26,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... [2018-10-27 06:11:26,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:11:26,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:11:26,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:11:26,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:11:26,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:11:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 06:11:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 06:11:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 06:11:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 06:11:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:11:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:11:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 06:11:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 06:11:29,725 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:11:29,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:29 BoogieIcfgContainer [2018-10-27 06:11:29,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:11:29,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 06:11:29,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 06:11:29,731 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 06:11:29,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:11:25" (1/3) ... [2018-10-27 06:11:29,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aacbb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:11:29, skipping insertion in model container [2018-10-27 06:11:29,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:26" (2/3) ... [2018-10-27 06:11:29,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aacbb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:11:29, skipping insertion in model container [2018-10-27 06:11:29,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:29" (3/3) ... [2018-10-27 06:11:29,735 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-10-27 06:11:29,746 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 06:11:29,755 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 06:11:29,772 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 06:11:29,812 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 06:11:29,812 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 06:11:29,813 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 06:11:29,813 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:11:29,813 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:11:29,813 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 06:11:29,813 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:11:29,814 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 06:11:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 06:11:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 06:11:29,852 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:29,853 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:29,856 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:29,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:29,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1835137400, now seen corresponding path program 1 times [2018-10-27 06:11:29,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:29,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:29,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:29,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:29,918 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:30,579 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-27 06:11:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:30,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:11:30,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 06:11:30,865 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:30,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 06:11:30,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 06:11:30,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 06:11:30,892 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-10-27 06:11:33,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:33,687 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-10-27 06:11:33,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 06:11:33,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-27 06:11:33,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:33,714 INFO L225 Difference]: With dead ends: 788 [2018-10-27 06:11:33,714 INFO L226 Difference]: Without dead ends: 545 [2018-10-27 06:11:33,723 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 06:11:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-10-27 06:11:33,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-10-27 06:11:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-27 06:11:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-10-27 06:11:33,841 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 100 [2018-10-27 06:11:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:33,842 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-10-27 06:11:33,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 06:11:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-10-27 06:11:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 06:11:33,850 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:33,850 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:33,851 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:33,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:33,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1881867499, now seen corresponding path program 1 times [2018-10-27 06:11:33,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:33,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:33,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:33,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:33,854 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:34,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:11:34,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:11:34,061 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:34,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:11:34,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:11:34,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:11:34,066 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-10-27 06:11:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:35,240 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-10-27 06:11:35,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:11:35,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-10-27 06:11:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:35,250 INFO L225 Difference]: With dead ends: 1060 [2018-10-27 06:11:35,250 INFO L226 Difference]: Without dead ends: 683 [2018-10-27 06:11:35,257 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:11:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-10-27 06:11:35,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-10-27 06:11:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-10-27 06:11:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-10-27 06:11:35,296 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 109 [2018-10-27 06:11:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:35,297 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-10-27 06:11:35,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:11:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-10-27 06:11:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 06:11:35,304 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:35,305 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:35,305 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:35,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:35,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1492540793, now seen corresponding path program 1 times [2018-10-27 06:11:35,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:35,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:35,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:35,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:35,307 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 06:11:35,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:35,501 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:35,503 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-10-27 06:11:35,505 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:11:35,557 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:35,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:36,137 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:36,139 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-27 06:11:36,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:36,169 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:36,721 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 80.65% of their original sizes. [2018-10-27 06:11:36,722 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:37,081 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-10-27 06:11:37,081 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:37,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:37,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-27 06:11:37,083 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:37,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 06:11:37,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 06:11:37,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 06:11:37,085 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 7 states. [2018-10-27 06:11:46,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:46,576 INFO L93 Difference]: Finished difference Result 1500 states and 2408 transitions. [2018-10-27 06:11:46,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:11:46,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-10-27 06:11:46,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:46,582 INFO L225 Difference]: With dead ends: 1500 [2018-10-27 06:11:46,582 INFO L226 Difference]: Without dead ends: 828 [2018-10-27 06:11:46,585 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-27 06:11:46,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-10-27 06:11:46,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 825. [2018-10-27 06:11:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-10-27 06:11:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1233 transitions. [2018-10-27 06:11:46,619 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1233 transitions. Word has length 139 [2018-10-27 06:11:46,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:46,620 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 1233 transitions. [2018-10-27 06:11:46,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 06:11:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1233 transitions. [2018-10-27 06:11:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 06:11:46,625 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:46,625 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:46,625 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:46,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:46,626 INFO L82 PathProgramCache]: Analyzing trace with hash -989712890, now seen corresponding path program 1 times [2018-10-27 06:11:46,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:46,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:46,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:46,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:46,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 06:11:46,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:46,995 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:46,995 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-10-27 06:11:46,996 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:11:47,002 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:47,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:47,369 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:47,369 INFO L272 AbstractInterpreter]: Visited 105 different actions 314 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 06:11:47,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:47,403 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:47,597 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 84.29% of their original sizes. [2018-10-27 06:11:47,597 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:47,952 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-10-27 06:11:47,952 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:47,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:47,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-10-27 06:11:47,953 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:47,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:11:47,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:11:47,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:11:47,954 INFO L87 Difference]: Start difference. First operand 825 states and 1233 transitions. Second operand 9 states. [2018-10-27 06:11:53,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:11:53,816 INFO L93 Difference]: Finished difference Result 2460 states and 3842 transitions. [2018-10-27 06:11:53,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:11:53,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2018-10-27 06:11:53,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:11:53,825 INFO L225 Difference]: With dead ends: 2460 [2018-10-27 06:11:53,826 INFO L226 Difference]: Without dead ends: 1641 [2018-10-27 06:11:53,830 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-10-27 06:11:53,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2018-10-27 06:11:53,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1610. [2018-10-27 06:11:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2018-10-27 06:11:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2201 transitions. [2018-10-27 06:11:53,882 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2201 transitions. Word has length 149 [2018-10-27 06:11:53,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:11:53,882 INFO L481 AbstractCegarLoop]: Abstraction has 1610 states and 2201 transitions. [2018-10-27 06:11:53,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:11:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2201 transitions. [2018-10-27 06:11:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-27 06:11:53,889 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:11:53,890 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:53,890 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:11:53,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:53,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1110345706, now seen corresponding path program 1 times [2018-10-27 06:11:53,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:11:53,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:53,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:53,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:53,892 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:11:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:54,166 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:11:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 06:11:54,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:11:54,511 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:11:54,512 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-10-27 06:11:54,512 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:11:54,517 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:11:54,517 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:11:54,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:11:54,667 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 06:11:54,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:54,710 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:11:54,966 INFO L227 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 80.68% of their original sizes. [2018-10-27 06:11:54,966 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:11:55,109 INFO L415 sIntCurrentIteration]: We unified 203 AI predicates to 203 [2018-10-27 06:11:55,109 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:11:55,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:11:55,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:11:55,110 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:11:55,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:11:55,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:11:55,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:11:55,112 INFO L87 Difference]: Start difference. First operand 1610 states and 2201 transitions. Second operand 10 states. [2018-10-27 06:12:01,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:01,052 INFO L93 Difference]: Finished difference Result 3513 states and 4795 transitions. [2018-10-27 06:12:01,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 06:12:01,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2018-10-27 06:12:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:01,063 INFO L225 Difference]: With dead ends: 3513 [2018-10-27 06:12:01,063 INFO L226 Difference]: Without dead ends: 1909 [2018-10-27 06:12:01,069 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-27 06:12:01,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2018-10-27 06:12:01,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1905. [2018-10-27 06:12:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1905 states. [2018-10-27 06:12:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2544 transitions. [2018-10-27 06:12:01,131 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2544 transitions. Word has length 204 [2018-10-27 06:12:01,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:01,132 INFO L481 AbstractCegarLoop]: Abstraction has 1905 states and 2544 transitions. [2018-10-27 06:12:01,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:12:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2544 transitions. [2018-10-27 06:12:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-27 06:12:01,141 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:01,141 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:01,142 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:01,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:01,142 INFO L82 PathProgramCache]: Analyzing trace with hash -345059058, now seen corresponding path program 1 times [2018-10-27 06:12:01,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:01,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:01,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:01,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:01,144 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:12:01,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:01,473 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:01,474 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-10-27 06:12:01,474 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:12:01,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:01,478 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:01,673 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:12:01,674 INFO L272 AbstractInterpreter]: Visited 108 different actions 316 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:12:01,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:01,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:12:01,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:01,679 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:12:01,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:01,688 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:12:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:01,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:12:02,168 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:12:02,333 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-27 06:12:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:12:02,894 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:12:02,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 06:12:02,895 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:12:02,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:12:02,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:12:02,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:12:02,896 INFO L87 Difference]: Start difference. First operand 1905 states and 2544 transitions. Second operand 9 states. [2018-10-27 06:12:08,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:08,948 INFO L93 Difference]: Finished difference Result 6886 states and 9863 transitions. [2018-10-27 06:12:08,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 06:12:08,948 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-10-27 06:12:08,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:08,963 INFO L225 Difference]: With dead ends: 6886 [2018-10-27 06:12:08,963 INFO L226 Difference]: Without dead ends: 2818 [2018-10-27 06:12:08,980 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-10-27 06:12:08,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2018-10-27 06:12:09,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2672. [2018-10-27 06:12:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2018-10-27 06:12:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3126 transitions. [2018-10-27 06:12:09,055 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3126 transitions. Word has length 208 [2018-10-27 06:12:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:09,055 INFO L481 AbstractCegarLoop]: Abstraction has 2672 states and 3126 transitions. [2018-10-27 06:12:09,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:12:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3126 transitions. [2018-10-27 06:12:09,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 06:12:09,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:12:09,064 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:12:09,064 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:12:09,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:09,065 INFO L82 PathProgramCache]: Analyzing trace with hash 591052778, now seen corresponding path program 1 times [2018-10-27 06:12:09,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:12:09,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:09,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:09,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:09,066 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:12:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 117 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 06:12:09,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:09,819 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:12:09,819 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-10-27 06:12:09,819 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:12:09,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:12:09,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:12:10,218 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:12:10,219 INFO L272 AbstractInterpreter]: Visited 108 different actions 421 times. Merged at 8 different actions 29 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:12:10,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:10,256 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:12:10,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:12:10,257 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:12:10,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:10,272 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:12:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:10,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 06:12:10,961 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:12:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 128 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 06:12:11,205 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:12:11,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-10-27 06:12:11,205 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:12:11,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 06:12:11,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 06:12:11,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-27 06:12:11,207 INFO L87 Difference]: Start difference. First operand 2672 states and 3126 transitions. Second operand 13 states. [2018-10-27 06:12:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:12:13,959 INFO L93 Difference]: Finished difference Result 5294 states and 6329 transitions. [2018-10-27 06:12:13,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-27 06:12:13,960 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 222 [2018-10-27 06:12:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:12:13,961 INFO L225 Difference]: With dead ends: 5294 [2018-10-27 06:12:13,961 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 06:12:13,974 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=394, Invalid=1012, Unknown=0, NotChecked=0, Total=1406 [2018-10-27 06:12:13,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 06:12:13,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 06:12:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 06:12:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:12:13,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2018-10-27 06:12:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:12:13,976 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:13,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 06:12:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:12:13,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 06:12:13,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 06:12:14,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:14,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:14,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:14,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:14,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:12:14,254 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2018-10-27 06:12:15,532 WARN L179 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2018-10-27 06:12:15,763 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2018-10-27 06:12:16,089 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2018-10-27 06:12:16,093 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:12:16,093 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-10-27 06:12:16,093 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:12:16,093 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,093 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,094 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,094 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,094 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,094 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-27 06:12:16,094 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-27 06:12:16,094 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-27 06:12:16,094 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:12:16,095 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:12:16,096 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-27 06:12:16,096 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,096 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,096 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,096 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,096 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-27 06:12:16,096 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,097 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-27 06:12:16,097 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-27 06:12:16,097 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-27 06:12:16,097 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-27 06:12:16,097 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-27 06:12:16,097 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-27 06:12:16,097 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:12:16,098 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-27 06:12:16,099 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,099 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,099 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,099 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,099 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,100 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-10-27 06:12:16,100 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:12:16,100 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-27 06:12:16,100 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:12:16,100 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-27 06:12:16,100 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-27 06:12:16,100 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-27 06:12:16,101 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-27 06:12:16,101 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-27 06:12:16,101 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-27 06:12:16,101 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-27 06:12:16,101 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-27 06:12:16,101 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,101 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-27 06:12:16,102 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,103 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-27 06:12:16,104 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,105 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,106 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-27 06:12:16,107 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-27 06:12:16,108 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,109 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-27 06:12:16,110 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-27 06:12:16,111 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,112 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,112 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,112 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (= 1 |old(~a11~0)|))) (let ((.cse15 (< 7 |old(~a17~0)|)) (.cse4 (= ~a19~0 1)) (.cse16 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (not .cse17)) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (= 1 ~a11~0)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse2 (= 0 |old(~a28~0)|)) (.cse12 (= 8 |old(~a28~0)|)) (.cse13 (< 8 |old(~a17~0)|)) (.cse10 (= 1 ~a25~0)) (.cse0 (not (= 1 ~a21~0))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse6 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 (and (not (= ~a28~0 0)) .cse3 (= ~a17~0 8) .cse4) .cse5 .cse6 .cse7) (or .cse8 (and .cse3 .cse9 .cse10 .cse11) .cse12 .cse13 .cse7) (or .cse8 (and .cse14 .cse3 .cse10) .cse7 .cse15) (or .cse0 .cse1 .cse2 .cse12 .cse5 .cse6 .cse4) (or .cse16 .cse8 .cse10 .cse7) (or .cse12 (and .cse3 .cse9 .cse11) .cse7 .cse15) (or .cse0 .cse8 .cse1 .cse4 .cse2 .cse5 .cse6) (or .cse16 .cse7 (and .cse14 .cse3 (not (= 1 ~a19~0)))) (or .cse17 .cse13 (and (= ~a11~0 |old(~a11~0)|) .cse9 .cse11)) (or .cse0 .cse1 .cse2 (= ~a25~0 0) .cse12 (not (= 0 |old(~a11~0)|)) .cse5 .cse6 (not (= 0 |old(~a25~0)|))) (or .cse10 .cse13 (or .cse17 .cse8)) (or .cse10 .cse0 .cse8 .cse5 .cse6)))) [2018-10-27 06:12:16,112 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,112 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,112 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,112 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,113 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-27 06:12:16,114 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-27 06:12:16,115 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:12:16,116 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-27 06:12:16,117 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-27 06:12:16,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:12:16,117 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-10-27 06:12:16,117 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 06:12:16,117 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:12:16,117 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-10-27 06:12:16,117 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-27 06:12:16,117 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and (not (= ~a28~0 0)) .cse0 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse3 (not (= ~a28~0 8))) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-10-27 06:12:16,117 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:12:16,117 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:12:16,118 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a11~0)) (.cse1 (= 1 ~a25~0)) (.cse5 (not (= ~a28~0 8))) (.cse4 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse2 .cse3) (and (= ~a11~0 |old(~a11~0)|) .cse4) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) .cse2 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3) (and .cse2 .cse1 .cse5 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-10-27 06:12:16,118 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-27 06:12:16,118 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-27 06:12:16,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:12:16 BoogieIcfgContainer [2018-10-27 06:12:16,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 06:12:16,132 INFO L168 Benchmark]: Toolchain (without parser) took 50642.81 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-27 06:12:16,133 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-10-27 06:12:16,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.42 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:16,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 224.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -818.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:16,136 INFO L168 Benchmark]: Boogie Preprocessor took 97.39 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:12:16,136 INFO L168 Benchmark]: RCFGBuilder took 3130.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. [2018-10-27 06:12:16,137 INFO L168 Benchmark]: TraceAbstraction took 46403.67 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 795.3 MB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -805.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-27 06:12:16,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 780.42 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 224.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -818.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.39 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3130.79 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46403.67 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 795.3 MB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -805.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 46.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 34.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1427 SDtfs, 7296 SDslu, 1554 SDs, 0 SdLazy, 8965 SolverSat, 2297 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1465 GetRequests, 1358 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2672occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9966457198541232 AbsIntWeakeningRatio, 0.2392638036809816 AbsIntAvgWeakeningVarsNumRemoved, 26.186094069529652 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 351 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 154 NumberOfFragments, 549 HoareAnnotationTreeSize, 88 FomulaSimplifications, 3176 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2191 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1980 ConstructedInterpolants, 0 QuantifiedInterpolants, 844539 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1036 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1085/1224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...