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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:29:01,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:29:01,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:29:01,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:29:01,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:29:01,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:29:01,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:29:01,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:29:01,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:29:01,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:29:01,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:29:01,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:29:01,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:29:01,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:29:01,828 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:29:01,829 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:29:01,830 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:29:01,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:29:01,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:29:01,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:29:01,845 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:29:01,849 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:29:01,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 00:29:01,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 00:29:01,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 00:29:01,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 00:29:01,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 00:29:01,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 00:29:01,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 00:29:01,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 00:29:01,863 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 00:29:01,864 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 00:29:01,864 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 00:29:01,864 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 00:29:01,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 00:29:01,866 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 00:29:01,866 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 00:29:01,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:29:01,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:29:01,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:29:01,882 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:29:01,883 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:29:01,883 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:29:01,883 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:29:01,883 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:29:01,884 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:29:01,884 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:29:01,884 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:29:01,884 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:29:01,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:29:01,885 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:29:01,885 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:29:01,886 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:29:01,886 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:29:01,886 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:29:01,886 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:29:01,886 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:29:01,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:29:01,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:29:01,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:29:01,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:29:01,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:29:01,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:29:01,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:29:01,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:29:01,888 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:29:01,889 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:29:01,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:29:01,889 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:29:01,889 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:29:01,889 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:29:01,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:29:01,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:29:01,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:29:01,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:29:01,975 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:29:01,976 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c [2018-11-07 00:29:02,043 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a05f631/3c4ef089028743bb84ed2981674c50f8/FLAG7990f3f3d [2018-11-07 00:29:02,664 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:29:02,666 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label51_false-unreach-call.c [2018-11-07 00:29:02,688 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a05f631/3c4ef089028743bb84ed2981674c50f8/FLAG7990f3f3d [2018-11-07 00:29:02,703 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a05f631/3c4ef089028743bb84ed2981674c50f8 [2018-11-07 00:29:02,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:29:02,717 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:29:02,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:29:02,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:29:02,722 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:29:02,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:29:02" (1/1) ... [2018-11-07 00:29:02,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37539582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:02, skipping insertion in model container [2018-11-07 00:29:02,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:29:02" (1/1) ... [2018-11-07 00:29:02,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:29:02,822 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:29:03,641 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:29:03,645 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:29:03,995 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:29:04,018 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:29:04,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04 WrapperNode [2018-11-07 00:29:04,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:29:04,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:29:04,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:29:04,020 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:29:04,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:29:04,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:29:04,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:29:04,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:29:04,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (1/1) ... [2018-11-07 00:29:04,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:29:04,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:29:04,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:29:04,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:29:04,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (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 00:29:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:29:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:29:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:29:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 00:29:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 00:29:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:29:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:29:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:29:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:29:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:29:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:29:09,792 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:29:09,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:29:09 BoogieIcfgContainer [2018-11-07 00:29:09,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:29:09,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:29:09,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:29:09,797 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:29:09,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:29:02" (1/3) ... [2018-11-07 00:29:09,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a750a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:29:09, skipping insertion in model container [2018-11-07 00:29:09,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:29:04" (2/3) ... [2018-11-07 00:29:09,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a750a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:29:09, skipping insertion in model container [2018-11-07 00:29:09,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:29:09" (3/3) ... [2018-11-07 00:29:09,801 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label51_false-unreach-call.c [2018-11-07 00:29:09,811 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:29:09,820 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:29:09,835 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:29:09,876 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:29:09,877 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:29:09,877 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:29:09,877 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:29:09,877 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:29:09,877 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:29:09,877 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:29:09,878 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:29:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-11-07 00:29:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-07 00:29:09,918 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:29:09,919 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] [2018-11-07 00:29:09,922 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:29:09,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:29:09,928 INFO L82 PathProgramCache]: Analyzing trace with hash -839788423, now seen corresponding path program 1 times [2018-11-07 00:29:09,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:29:09,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:09,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:29:09,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:09,981 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:29:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:29:10,376 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-11-07 00:29:10,388 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 00:29:10,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:29:10,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 00:29:10,391 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:29:10,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 00:29:10,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 00:29:10,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:29:10,418 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-11-07 00:29:16,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:29:16,563 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-11-07 00:29:16,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:29:16,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-11-07 00:29:16,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:29:16,596 INFO L225 Difference]: With dead ends: 1558 [2018-11-07 00:29:16,596 INFO L226 Difference]: Without dead ends: 1114 [2018-11-07 00:29:16,614 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:29:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-11-07 00:29:16,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-11-07 00:29:16,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-11-07 00:29:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-11-07 00:29:16,770 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 23 [2018-11-07 00:29:16,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:29:16,771 INFO L480 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-11-07 00:29:16,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 00:29:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-11-07 00:29:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-07 00:29:16,781 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:29:16,782 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] [2018-11-07 00:29:16,782 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:29:16,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:29:16,783 INFO L82 PathProgramCache]: Analyzing trace with hash 56116685, now seen corresponding path program 1 times [2018-11-07 00:29:16,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:29:16,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:16,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:29:16,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:16,785 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:29:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:29:17,031 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 00:29:17,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:29:17,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 00:29:17,032 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:29:17,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 00:29:17,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 00:29:17,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:29:17,034 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-11-07 00:29:21,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:29:21,860 INFO L93 Difference]: Finished difference Result 2755 states and 5131 transitions. [2018-11-07 00:29:21,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:29:21,872 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-07 00:29:21,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:29:21,889 INFO L225 Difference]: With dead ends: 2755 [2018-11-07 00:29:21,889 INFO L226 Difference]: Without dead ends: 2002 [2018-11-07 00:29:21,898 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:29:21,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-11-07 00:29:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1999. [2018-11-07 00:29:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-11-07 00:29:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3228 transitions. [2018-11-07 00:29:21,980 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3228 transitions. Word has length 93 [2018-11-07 00:29:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:29:21,981 INFO L480 AbstractCegarLoop]: Abstraction has 1999 states and 3228 transitions. [2018-11-07 00:29:21,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 00:29:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3228 transitions. [2018-11-07 00:29:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-07 00:29:21,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:29:21,996 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:29:21,996 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:29:21,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:29:21,997 INFO L82 PathProgramCache]: Analyzing trace with hash 425082147, now seen corresponding path program 1 times [2018-11-07 00:29:21,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:29:21,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:21,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:29:21,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:21,998 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:29:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:29:22,241 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 00:29:22,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:29:22,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 00:29:22,242 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:29:22,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 00:29:22,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 00:29:22,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 00:29:22,244 INFO L87 Difference]: Start difference. First operand 1999 states and 3228 transitions. Second operand 5 states. [2018-11-07 00:29:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:29:31,724 INFO L93 Difference]: Finished difference Result 6002 states and 9890 transitions. [2018-11-07 00:29:31,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 00:29:31,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-11-07 00:29:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:29:31,766 INFO L225 Difference]: With dead ends: 6002 [2018-11-07 00:29:31,766 INFO L226 Difference]: Without dead ends: 4009 [2018-11-07 00:29:31,782 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:29:31,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4009 states. [2018-11-07 00:29:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4009 to 3952. [2018-11-07 00:29:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2018-11-07 00:29:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5722 transitions. [2018-11-07 00:29:31,976 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 5722 transitions. Word has length 140 [2018-11-07 00:29:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:29:31,976 INFO L480 AbstractCegarLoop]: Abstraction has 3952 states and 5722 transitions. [2018-11-07 00:29:31,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 00:29:31,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 5722 transitions. [2018-11-07 00:29:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-07 00:29:32,003 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:29:32,003 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:29:32,004 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:29:32,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:29:32,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1628164462, now seen corresponding path program 1 times [2018-11-07 00:29:32,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:29:32,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:32,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:29:32,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:29:32,008 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:29:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:29:33,051 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-11-07 00:29:33,328 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 247 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 00:29:33,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:29:33,328 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:29:33,330 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 405 with the following transitions: [2018-11-07 00:29:33,333 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 00:29:33,425 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:29:33,425 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:29:38,759 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:29:38,761 INFO L272 AbstractInterpreter]: Visited 207 different actions 207 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 00:29:38,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:29:38,775 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:29:42,063 INFO L227 lantSequenceWeakener]: Weakened 393 states. On average, predicates are now at 77.4% of their original sizes. [2018-11-07 00:29:42,064 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:29:42,742 INFO L415 sIntCurrentIteration]: We unified 403 AI predicates to 403 [2018-11-07 00:29:42,742 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:29:42,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:29:42,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2018-11-07 00:29:42,744 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:29:42,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 00:29:42,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 00:29:42,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:29:42,746 INFO L87 Difference]: Start difference. First operand 3952 states and 5722 transitions. Second operand 8 states. [2018-11-07 00:29:47,275 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:30:18,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:30:18,950 INFO L93 Difference]: Finished difference Result 8208 states and 11776 transitions. [2018-11-07 00:30:18,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 00:30:18,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 404 [2018-11-07 00:30:18,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:30:18,975 INFO L225 Difference]: With dead ends: 8208 [2018-11-07 00:30:18,975 INFO L226 Difference]: Without dead ends: 4262 [2018-11-07 00:30:18,994 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 405 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 00:30:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2018-11-07 00:30:19,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 4260. [2018-11-07 00:30:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4260 states. [2018-11-07 00:30:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 4260 states and 6039 transitions. [2018-11-07 00:30:19,110 INFO L78 Accepts]: Start accepts. Automaton has 4260 states and 6039 transitions. Word has length 404 [2018-11-07 00:30:19,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:30:19,111 INFO L480 AbstractCegarLoop]: Abstraction has 4260 states and 6039 transitions. [2018-11-07 00:30:19,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 00:30:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4260 states and 6039 transitions. [2018-11-07 00:30:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2018-11-07 00:30:19,128 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:30:19,128 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:19,129 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:30:19,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:30:19,129 INFO L82 PathProgramCache]: Analyzing trace with hash 2047758871, now seen corresponding path program 1 times [2018-11-07 00:30:19,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:30:19,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:30:19,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:30:19,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:30:19,131 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:30:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:30:19,706 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 5 [2018-11-07 00:30:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-11-07 00:30:19,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:30:19,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 00:30:19,817 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:30:19,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 00:30:19,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 00:30:19,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:30:19,819 INFO L87 Difference]: Start difference. First operand 4260 states and 6039 transitions. Second operand 4 states. [2018-11-07 00:30:24,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:30:24,180 INFO L93 Difference]: Finished difference Result 15387 states and 22715 transitions. [2018-11-07 00:30:24,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:30:24,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 478 [2018-11-07 00:30:24,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:30:24,232 INFO L225 Difference]: With dead ends: 15387 [2018-11-07 00:30:24,232 INFO L226 Difference]: Without dead ends: 7646 [2018-11-07 00:30:24,297 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:30:24,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2018-11-07 00:30:24,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 7646. [2018-11-07 00:30:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7646 states. [2018-11-07 00:30:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7646 states to 7646 states and 10005 transitions. [2018-11-07 00:30:24,507 INFO L78 Accepts]: Start accepts. Automaton has 7646 states and 10005 transitions. Word has length 478 [2018-11-07 00:30:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:30:24,508 INFO L480 AbstractCegarLoop]: Abstraction has 7646 states and 10005 transitions. [2018-11-07 00:30:24,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 00:30:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7646 states and 10005 transitions. [2018-11-07 00:30:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2018-11-07 00:30:24,530 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:30:24,531 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:24,532 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:30:24,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:30:24,532 INFO L82 PathProgramCache]: Analyzing trace with hash -622847793, now seen corresponding path program 1 times [2018-11-07 00:30:24,532 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:30:24,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:30:24,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:30:24,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:30:24,534 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:30:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:30:25,534 WARN L179 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-07 00:30:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 222 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:30:26,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:30:26,239 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:30:26,240 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 509 with the following transitions: [2018-11-07 00:30:26,241 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [872], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 00:30:26,257 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:30:26,257 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:30:30,851 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:30:48,672 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:30:48,672 INFO L272 AbstractInterpreter]: Visited 284 different actions 839 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 00:30:48,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:30:48,682 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:30:53,632 INFO L227 lantSequenceWeakener]: Weakened 255 states. On average, predicates are now at 77.59% of their original sizes. [2018-11-07 00:30:53,633 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:31:10,543 INFO L415 sIntCurrentIteration]: We unified 507 AI predicates to 507 [2018-11-07 00:31:10,543 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:31:10,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:31:10,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [29] imperfect sequences [16] total 43 [2018-11-07 00:31:10,544 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:31:10,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-07 00:31:10,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-07 00:31:10,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2018-11-07 00:31:10,546 INFO L87 Difference]: Start difference. First operand 7646 states and 10005 transitions. Second operand 29 states. Received shutdown request... [2018-11-07 00:32:48,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-07 00:32:48,291 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 00:32:48,297 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 00:32:48,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:32:48 BoogieIcfgContainer [2018-11-07 00:32:48,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:32:48,298 INFO L168 Benchmark]: Toolchain (without parser) took 225582.32 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 00:32:48,299 INFO L168 Benchmark]: CDTParser took 0.20 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 00:32:48,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1300.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-11-07 00:32:48,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -897.7 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2018-11-07 00:32:48,302 INFO L168 Benchmark]: Boogie Preprocessor took 159.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-11-07 00:32:48,303 INFO L168 Benchmark]: RCFGBuilder took 5393.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 290.9 MB). Peak memory consumption was 290.9 MB. Max. memory is 7.1 GB. [2018-11-07 00:32:48,303 INFO L168 Benchmark]: TraceAbstraction took 218503.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.5 GB in the end (delta: -620.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 00:32:48,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1300.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 219.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -897.7 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5393.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 290.9 MB). Peak memory consumption was 290.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 218503.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.5 GB in the end (delta: -620.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 55). Cancelled while BasicCegarLoop was constructing difference of abstraction (7646states) and FLOYD_HOARE automaton (currently 11 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (243 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 218.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 159.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1679 SDtfs, 6604 SDslu, 904 SDs, 0 SdLazy, 9582 SolverSat, 2120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 944 GetRequests, 890 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7646occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 27.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9971273291925464 AbsIntWeakeningRatio, 0.07032967032967033 AbsIntAvgWeakeningVarsNumRemoved, 653.7307692307693 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 417 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1646 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1640 ConstructedInterpolants, 0 QuantifiedInterpolants, 3545151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 834/989 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown