java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:44:37,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:44:37,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:44:37,680 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:44:37,681 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:44:37,682 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:44:37,683 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:44:37,685 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:44:37,687 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:44:37,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:44:37,689 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:44:37,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:44:37,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:44:37,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:44:37,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:44:37,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:44:37,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:44:37,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:44:37,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:44:37,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:44:37,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:44:37,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:44:37,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:44:37,718 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:44:37,718 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:44:37,719 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:44:37,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:44:37,721 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:44:37,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:44:37,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:44:37,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:44:37,723 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:44:37,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:44:37,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:44:37,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:44:37,726 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:44:37,726 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:44:37,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:44:37,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:44:37,752 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:44:37,752 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:44:37,753 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:44:37,753 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:44:37,753 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:44:37,753 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:44:37,753 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:44:37,754 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:44:37,754 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:44:37,754 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:44:37,754 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:44:37,755 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:44:37,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:44:37,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:44:37,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:44:37,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:44:37,756 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:44:37,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:44:37,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:44:37,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:44:37,757 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:44:37,757 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:44:37,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:44:37,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:44:37,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:44:37,758 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:44:37,758 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:44:37,758 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:44:37,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:44:37,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:44:37,758 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:44:37,759 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:44:37,759 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:44:37,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:44:37,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:44:37,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:44:37,830 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:44:37,830 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:44:37,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-07 18:44:37,902 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f62419b/ae072f0504d145d9a69ab8acfa740496/FLAG698b36e02 [2018-11-07 18:44:38,490 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:44:38,492 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-07 18:44:38,510 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f62419b/ae072f0504d145d9a69ab8acfa740496/FLAG698b36e02 [2018-11-07 18:44:38,524 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f62419b/ae072f0504d145d9a69ab8acfa740496 [2018-11-07 18:44:38,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:44:38,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:44:38,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:44:38,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:44:38,542 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:44:38,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:44:38" (1/1) ... [2018-11-07 18:44:38,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ab8b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:38, skipping insertion in model container [2018-11-07 18:44:38,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:44:38" (1/1) ... [2018-11-07 18:44:38,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:44:38,619 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:44:39,148 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:44:39,154 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:44:39,294 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:44:39,313 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:44:39,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39 WrapperNode [2018-11-07 18:44:39,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:44:39,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:44:39,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:44:39,316 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:44:39,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:44:39,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:44:39,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:44:39,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:44:39,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... [2018-11-07 18:44:39,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:44:39,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:44:39,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:44:39,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:44:39,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:44:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:44:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:44:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:44:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:44:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:44:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:44:39,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:44:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:44:39,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:44:42,685 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:44:42,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:44:42 BoogieIcfgContainer [2018-11-07 18:44:42,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:44:42,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:44:42,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:44:42,691 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:44:42,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:44:38" (1/3) ... [2018-11-07 18:44:42,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0e6645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:44:42, skipping insertion in model container [2018-11-07 18:44:42,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:44:39" (2/3) ... [2018-11-07 18:44:42,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0e6645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:44:42, skipping insertion in model container [2018-11-07 18:44:42,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:44:42" (3/3) ... [2018-11-07 18:44:42,695 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label22_true-unreach-call_false-termination.c [2018-11-07 18:44:42,706 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:44:42,715 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:44:42,733 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:44:42,770 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:44:42,770 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:44:42,770 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:44:42,770 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:44:42,770 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:44:42,771 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:44:42,771 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:44:42,771 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:44:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:44:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-07 18:44:42,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:42,817 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:42,820 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:42,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:42,826 INFO L82 PathProgramCache]: Analyzing trace with hash 2012123736, now seen corresponding path program 1 times [2018-11-07 18:44:42,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:42,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:42,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:42,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:42,890 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:43,548 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:44:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:44:43,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:44:43,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:44:43,646 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:43,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:44:43,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:44:43,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:44:43,671 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 18:44:45,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:45,796 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-11-07 18:44:45,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:44:45,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-11-07 18:44:45,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:45,818 INFO L225 Difference]: With dead ends: 626 [2018-11-07 18:44:45,819 INFO L226 Difference]: Without dead ends: 387 [2018-11-07 18:44:45,826 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:44:45,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-07 18:44:45,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-07 18:44:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 18:44:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-11-07 18:44:45,913 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 104 [2018-11-07 18:44:45,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:45,914 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-11-07 18:44:45,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:44:45,914 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-11-07 18:44:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-07 18:44:45,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:45,924 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:45,924 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:45,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:45,925 INFO L82 PathProgramCache]: Analyzing trace with hash 299374799, now seen corresponding path program 1 times [2018-11-07 18:44:45,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:45,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:45,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:45,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:45,927 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:44:46,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:44:46,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:44:46,123 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:46,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:44:46,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:44:46,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:44:46,126 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-11-07 18:44:48,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:48,174 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2018-11-07 18:44:48,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:44:48,178 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-07 18:44:48,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:48,188 INFO L225 Difference]: With dead ends: 1195 [2018-11-07 18:44:48,189 INFO L226 Difference]: Without dead ends: 818 [2018-11-07 18:44:48,196 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:44:48,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-07 18:44:48,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 799. [2018-11-07 18:44:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-11-07 18:44:48,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1290 transitions. [2018-11-07 18:44:48,255 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1290 transitions. Word has length 125 [2018-11-07 18:44:48,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:48,255 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 1290 transitions. [2018-11-07 18:44:48,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:44:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1290 transitions. [2018-11-07 18:44:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 18:44:48,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:48,262 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:48,262 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:48,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:48,263 INFO L82 PathProgramCache]: Analyzing trace with hash 837427427, now seen corresponding path program 1 times [2018-11-07 18:44:48,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:48,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:48,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:48,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:48,265 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:44:48,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:44:48,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:44:48,475 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:48,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:44:48,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:44:48,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:44:48,476 INFO L87 Difference]: Start difference. First operand 799 states and 1290 transitions. Second operand 3 states. [2018-11-07 18:44:51,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:51,266 INFO L93 Difference]: Finished difference Result 2271 states and 3774 transitions. [2018-11-07 18:44:51,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:44:51,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-07 18:44:51,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:51,288 INFO L225 Difference]: With dead ends: 2271 [2018-11-07 18:44:51,288 INFO L226 Difference]: Without dead ends: 1478 [2018-11-07 18:44:51,295 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:44:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2018-11-07 18:44:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1478. [2018-11-07 18:44:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2018-11-07 18:44:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2197 transitions. [2018-11-07 18:44:51,381 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2197 transitions. Word has length 126 [2018-11-07 18:44:51,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:51,382 INFO L480 AbstractCegarLoop]: Abstraction has 1478 states and 2197 transitions. [2018-11-07 18:44:51,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:44:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2197 transitions. [2018-11-07 18:44:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-07 18:44:51,387 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:51,389 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:51,389 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:51,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:51,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1699638498, now seen corresponding path program 1 times [2018-11-07 18:44:51,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:51,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:51,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:51,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:51,391 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:44:51,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:51,853 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:51,854 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-11-07 18:44:51,856 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:51,909 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:51,909 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:52,783 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:44:52,785 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:44:52,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:52,832 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:44:53,433 INFO L227 lantSequenceWeakener]: Weakened 110 states. On average, predicates are now at 80.97% of their original sizes. [2018-11-07 18:44:53,433 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:44:54,487 INFO L415 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2018-11-07 18:44:54,488 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:44:54,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:44:54,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 18:44:54,489 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:54,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:44:54,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:44:54,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:44:54,491 INFO L87 Difference]: Start difference. First operand 1478 states and 2197 transitions. Second operand 14 states. [2018-11-07 18:45:11,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:11,094 INFO L93 Difference]: Finished difference Result 3250 states and 4877 transitions. [2018-11-07 18:45:11,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:45:11,095 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 134 [2018-11-07 18:45:11,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:11,105 INFO L225 Difference]: With dead ends: 3250 [2018-11-07 18:45:11,106 INFO L226 Difference]: Without dead ends: 1778 [2018-11-07 18:45:11,112 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 18:45:11,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2018-11-07 18:45:11,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1625. [2018-11-07 18:45:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1625 states. [2018-11-07 18:45:11,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2355 transitions. [2018-11-07 18:45:11,162 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2355 transitions. Word has length 134 [2018-11-07 18:45:11,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:11,163 INFO L480 AbstractCegarLoop]: Abstraction has 1625 states and 2355 transitions. [2018-11-07 18:45:11,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:45:11,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2355 transitions. [2018-11-07 18:45:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 18:45:11,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:11,168 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:45:11,168 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:11,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:11,169 INFO L82 PathProgramCache]: Analyzing trace with hash -999667050, now seen corresponding path program 1 times [2018-11-07 18:45:11,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:11,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:11,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:11,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:11,170 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:45:11,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:11,405 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:11,405 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-07 18:45:11,406 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:11,411 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:11,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:11,925 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:11,926 INFO L272 AbstractInterpreter]: Visited 108 different actions 212 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:45:11,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:11,932 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:12,316 INFO L227 lantSequenceWeakener]: Weakened 48 states. On average, predicates are now at 80.65% of their original sizes. [2018-11-07 18:45:12,317 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:12,861 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-07 18:45:12,861 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:12,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:12,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:45:12,862 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:12,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:45:12,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:45:12,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:45:12,864 INFO L87 Difference]: Start difference. First operand 1625 states and 2355 transitions. Second operand 18 states. [2018-11-07 18:45:24,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:24,869 INFO L93 Difference]: Finished difference Result 3856 states and 5843 transitions. [2018-11-07 18:45:24,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:45:24,869 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 139 [2018-11-07 18:45:24,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:24,881 INFO L225 Difference]: With dead ends: 3856 [2018-11-07 18:45:24,882 INFO L226 Difference]: Without dead ends: 2237 [2018-11-07 18:45:24,889 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 18:45:24,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2018-11-07 18:45:24,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2225. [2018-11-07 18:45:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2225 states. [2018-11-07 18:45:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 3095 transitions. [2018-11-07 18:45:24,951 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 3095 transitions. Word has length 139 [2018-11-07 18:45:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:24,951 INFO L480 AbstractCegarLoop]: Abstraction has 2225 states and 3095 transitions. [2018-11-07 18:45:24,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:45:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 3095 transitions. [2018-11-07 18:45:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-07 18:45:24,957 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:24,958 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:45:24,958 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:24,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash -226595325, now seen corresponding path program 1 times [2018-11-07 18:45:24,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:24,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:24,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:24,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:24,960 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:45:25,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:25,170 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:25,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-11-07 18:45:25,171 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:25,176 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:25,177 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:25,666 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:25,666 INFO L272 AbstractInterpreter]: Visited 109 different actions 326 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:45:25,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:25,675 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:25,920 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 80.72% of their original sizes. [2018-11-07 18:45:25,921 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:26,328 INFO L415 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-11-07 18:45:26,329 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:26,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:26,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:45:26,329 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:26,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:45:26,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:45:26,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:45:26,330 INFO L87 Difference]: Start difference. First operand 2225 states and 3095 transitions. Second operand 10 states. [2018-11-07 18:45:33,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:33,583 INFO L93 Difference]: Finished difference Result 5743 states and 8240 transitions. [2018-11-07 18:45:33,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:45:33,584 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2018-11-07 18:45:33,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:33,601 INFO L225 Difference]: With dead ends: 5743 [2018-11-07 18:45:33,601 INFO L226 Difference]: Without dead ends: 3524 [2018-11-07 18:45:33,611 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:45:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2018-11-07 18:45:33,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3467. [2018-11-07 18:45:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3467 states. [2018-11-07 18:45:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3467 states and 4579 transitions. [2018-11-07 18:45:33,919 INFO L78 Accepts]: Start accepts. Automaton has 3467 states and 4579 transitions. Word has length 144 [2018-11-07 18:45:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:33,919 INFO L480 AbstractCegarLoop]: Abstraction has 3467 states and 4579 transitions. [2018-11-07 18:45:33,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:45:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 4579 transitions. [2018-11-07 18:45:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-07 18:45:33,928 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:33,928 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:45:33,929 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:33,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:33,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1519815478, now seen corresponding path program 1 times [2018-11-07 18:45:33,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:33,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:33,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:33,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:33,931 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 18:45:34,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:34,114 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:34,114 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-11-07 18:45:34,115 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:34,120 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:34,121 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:34,684 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:45:34,684 INFO L272 AbstractInterpreter]: Visited 110 different actions 441 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:45:34,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:34,686 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:45:34,912 INFO L227 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 80.77% of their original sizes. [2018-11-07 18:45:34,912 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:45:35,067 INFO L415 sIntCurrentIteration]: We unified 157 AI predicates to 157 [2018-11-07 18:45:35,067 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:45:35,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:45:35,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:45:35,068 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:35,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:45:35,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:45:35,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:45:35,069 INFO L87 Difference]: Start difference. First operand 3467 states and 4579 transitions. Second operand 10 states. [2018-11-07 18:45:42,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:42,487 INFO L93 Difference]: Finished difference Result 7798 states and 10604 transitions. [2018-11-07 18:45:42,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:45:42,487 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2018-11-07 18:45:42,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:42,506 INFO L225 Difference]: With dead ends: 7798 [2018-11-07 18:45:42,506 INFO L226 Difference]: Without dead ends: 4337 [2018-11-07 18:45:42,517 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 132 SyntacticMatches, 17 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:45:42,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2018-11-07 18:45:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4297. [2018-11-07 18:45:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4297 states. [2018-11-07 18:45:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 4297 states and 5608 transitions. [2018-11-07 18:45:42,621 INFO L78 Accepts]: Start accepts. Automaton has 4297 states and 5608 transitions. Word has length 158 [2018-11-07 18:45:42,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:42,622 INFO L480 AbstractCegarLoop]: Abstraction has 4297 states and 5608 transitions. [2018-11-07 18:45:42,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:45:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4297 states and 5608 transitions. [2018-11-07 18:45:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-07 18:45:42,634 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:42,634 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:45:42,634 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:42,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:42,635 INFO L82 PathProgramCache]: Analyzing trace with hash 180656757, now seen corresponding path program 1 times [2018-11-07 18:45:42,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:42,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:42,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:42,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:42,636 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 109 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-07 18:45:43,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:43,057 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:43,057 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-11-07 18:45:43,058 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [59], [63], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:43,061 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:43,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:43,684 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:45:43,685 INFO L272 AbstractInterpreter]: Visited 114 different actions 449 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-07 18:45:43,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:43,693 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:45:43,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:43,693 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:45:43,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:43,703 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:45:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:43,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:45:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-07 18:45:44,068 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:45:44,238 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 1 [2018-11-07 18:45:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-07 18:45:44,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-07 18:45:44,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-11-07 18:45:44,663 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:45:44,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:45:44,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:45:44,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-07 18:45:44,664 INFO L87 Difference]: Start difference. First operand 4297 states and 5608 transitions. Second operand 3 states. [2018-11-07 18:45:46,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:46,701 INFO L93 Difference]: Finished difference Result 10069 states and 13357 transitions. [2018-11-07 18:45:46,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:45:46,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2018-11-07 18:45:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:46,726 INFO L225 Difference]: With dead ends: 10069 [2018-11-07 18:45:46,726 INFO L226 Difference]: Without dead ends: 5778 [2018-11-07 18:45:46,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-07 18:45:46,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5778 states. [2018-11-07 18:45:46,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5778 to 5759. [2018-11-07 18:45:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5759 states. [2018-11-07 18:45:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5759 states to 5759 states and 6994 transitions. [2018-11-07 18:45:46,889 INFO L78 Accepts]: Start accepts. Automaton has 5759 states and 6994 transitions. Word has length 184 [2018-11-07 18:45:46,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:46,890 INFO L480 AbstractCegarLoop]: Abstraction has 5759 states and 6994 transitions. [2018-11-07 18:45:46,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:45:46,890 INFO L276 IsEmpty]: Start isEmpty. Operand 5759 states and 6994 transitions. [2018-11-07 18:45:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-07 18:45:46,906 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:45:46,906 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:45:46,907 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:45:46,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:46,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1752375974, now seen corresponding path program 1 times [2018-11-07 18:45:46,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:45:46,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:46,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:46,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:45:46,909 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:45:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:47,196 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 18:45:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 108 proven. 53 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-07 18:45:47,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:47,604 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:45:47,605 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-11-07 18:45:47,605 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:45:47,609 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:45:47,609 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:45:48,449 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:45:48,449 INFO L272 AbstractInterpreter]: Visited 113 different actions 339 times. Merged at 9 different actions 28 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:45:48,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:45:48,487 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:45:48,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:45:48,487 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:45:48,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:45:48,640 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:45:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:45:48,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:45:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 18:45:49,206 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:45:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 123 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-07 18:45:49,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:45:49,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-07 18:45:49,823 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:45:49,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:45:49,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:45:49,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-07 18:45:49,825 INFO L87 Difference]: Start difference. First operand 5759 states and 6994 transitions. Second operand 15 states. [2018-11-07 18:45:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:45:53,961 INFO L93 Difference]: Finished difference Result 13193 states and 16311 transitions. [2018-11-07 18:45:53,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 18:45:53,961 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 193 [2018-11-07 18:45:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:45:53,961 INFO L225 Difference]: With dead ends: 13193 [2018-11-07 18:45:53,961 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:45:53,992 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 396 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:45:53,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:45:53,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:45:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:45:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:45:53,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2018-11-07 18:45:53,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:45:53,994 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:45:53,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:45:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:45:53,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:45:53,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:45:54,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,361 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 142 [2018-11-07 18:45:54,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:45:54,623 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 147 [2018-11-07 18:45:55,559 WARN L179 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2018-11-07 18:45:56,447 WARN L179 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-11-07 18:45:58,132 WARN L179 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 279 DAG size of output: 79 [2018-11-07 18:45:58,480 WARN L179 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 82 [2018-11-07 18:45:58,906 WARN L179 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 82 [2018-11-07 18:45:58,910 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:45:58,910 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-07 18:45:58,910 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:45:58,910 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,910 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,910 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,910 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:45:58,911 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:45:58,912 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:45:58,912 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:45:58,912 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:45:58,912 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:45:58,912 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:45:58,912 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:45:58,912 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:45:58,913 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:45:58,914 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:45:58,915 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:45:58,916 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:45:58,917 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:45:58,918 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:45:58,919 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:45:58,920 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,921 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:45:58,922 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:45:58,923 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,924 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:45:58,925 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:45:58,926 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:45:58,927 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:45:58,928 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:45:58,928 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:45:58,928 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,928 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,928 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,928 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,928 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse14 (= 1 |old(~a19~0)|)) (.cse12 (= |old(~a28~0)| ~a28~0)) (.cse17 (= 7 ~a17~0)) (.cse13 (= |old(~a25~0)| ~a25~0))) (let ((.cse15 (not (= 1 ~a19~0))) (.cse10 (= 8 |old(~a28~0)|)) (.cse9 (and .cse12 .cse17 .cse13)) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse1 (not (= 1 ~a21~0))) (.cse2 (< |old(~a25~0)| 0)) (.cse3 (< |old(~a28~0)| 7)) (.cse4 (not .cse14)) (.cse5 (< 1 |old(~a25~0)|)) (.cse6 (< 11 |old(~a28~0)|)) (.cse7 (not (= |old(~a17~0)| 8))) (.cse8 (< |calculate_output_#in~input| 1)) (.cse11 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (and (<= 0 ~a11~0) (<= ~a11~0 1) (= ~a19~0 1)) (< 1 |old(~a11~0)|) .cse2 .cse3 (< |old(~a11~0)| 0) .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (= 1 |old(~a25~0)|) .cse11) (or (and .cse12 (= ~a17~0 |old(~a17~0)|) .cse13) .cse7) (or .cse14 .cse10 .cse15 .cse11) (or .cse14 .cse15 .cse7) (or .cse14 .cse10 .cse9 .cse11) (or .cse0 (let ((.cse16 (not (= 0 |old(~a11~0)|)))) (and (or .cse1 .cse16 (not (= 0 |old(~a25~0)|))) (or .cse1 (< |old(~a28~0)| 8) .cse16))) .cse2 .cse3 .cse4 .cse5 (= ~a11~0 0) .cse6 .cse7 .cse8) (or (and .cse17 .cse13 (= ~a28~0 7)) (not (= 7 |old(~a28~0)|)) .cse11)))) [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:45:58,929 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:45:58,930 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:45:58,931 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:45:58,932 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:58,933 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:45:58,934 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:45:58,935 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:45:58,936 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 18:45:58,936 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:45:58,936 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:45:58,936 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)) (not (= 7 |old(~a28~0)|))) [2018-11-07 18:45:58,936 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:45:58,936 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 8))) (.cse0 (= 7 ~a17~0))) (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (not (= ~a25~0 1)) .cse0 .cse1) (not (= ~a21~0 1)) (not (= ~y~0 25)) (= |old(~a17~0)| ~a17~0) (not (= 3 ~c~0)) (and .cse0 .cse1 (not (= 1 ~a19~0))) (not (= |old(~a25~0)| 0)) (not (= ~a~0 1)) (and (= ~a28~0 7) .cse0) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)) (not (= 7 |old(~a28~0)|)))) [2018-11-07 18:45:58,937 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:45:58,937 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:45:58,937 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 8))) (.cse0 (= 7 ~a17~0))) (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (not (= ~a25~0 1)) .cse0 .cse1) (not (= ~a21~0 1)) (not (= ~y~0 25)) (= |old(~a17~0)| ~a17~0) (not (= 3 ~c~0)) (and .cse0 .cse1 (not (= 1 ~a19~0))) (not (= |old(~a25~0)| 0)) (not (= ~a~0 1)) (and (= ~a28~0 7) .cse0) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)) (not (= 7 |old(~a28~0)|)))) [2018-11-07 18:45:58,937 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:45:58,937 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:45:58,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:45:58 BoogieIcfgContainer [2018-11-07 18:45:58,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:45:58,952 INFO L168 Benchmark]: Toolchain (without parser) took 80415.75 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 18:45:58,953 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:45:58,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:45:58,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:45:58,955 INFO L168 Benchmark]: Boogie Preprocessor took 111.83 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:45:58,956 INFO L168 Benchmark]: RCFGBuilder took 3115.46 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: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2018-11-07 18:45:58,956 INFO L168 Benchmark]: TraceAbstraction took 76263.06 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -553.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-07 18:45:58,961 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 776.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 143.60 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.83 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 3115.46 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: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 76263.06 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -553.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(\old(a11) == 0) || !(v == 22)) || !(u == 21)) || ((!(a25 == 1) && 7 == a17) && !(a28 == 8))) || !(a21 == 1)) || !(y == 25)) || \old(a17) == a17) || !(3 == c)) || ((7 == a17 && !(a28 == 8)) && !(1 == a19))) || !(\old(a25) == 0)) || !(a == 1)) || (a28 == 7 && 7 == a17)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23)) || !(7 == \old(a28)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 76.1s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 56.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1840 SDtfs, 7272 SDslu, 2607 SDs, 0 SdLazy, 10866 SolverSat, 2098 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1437 GetRequests, 1280 SyntacticMatches, 23 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5759occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9963817192518128 AbsIntWeakeningRatio, 0.26970227670753066 AbsIntAvgWeakeningVarsNumRemoved, 25.04028021015762 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 304 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 162 PreInvPairs, 248 NumberOfFragments, 576 HoareAnnotationTreeSize, 162 FomulaSimplifications, 10688 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7398 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1684 NumberOfCodeBlocks, 1684 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2048 ConstructedInterpolants, 0 QuantifiedInterpolants, 594235 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1071 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 1149/1289 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...