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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:27:48,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:27:48,704 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:27:48,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:27:48,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:27:48,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:27:48,725 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:27:48,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:27:48,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:27:48,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:27:48,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:27:48,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:27:48,742 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:27:48,743 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:27:48,744 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:27:48,748 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:27:48,749 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:27:48,754 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:27:48,759 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:27:48,760 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:27:48,763 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:27:48,765 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:27:48,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:27:48,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:27:48,769 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:27:48,771 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:27:48,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:27:48,773 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:27:48,774 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:27:48,776 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:27:48,776 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:27:48,777 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:27:48,777 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:27:48,778 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:27:48,779 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:27:48,779 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:27:48,782 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:27:48,796 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:27:48,796 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:27:48,797 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:27:48,797 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:27:48,798 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:27:48,798 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:27:48,798 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:27:48,798 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:27:48,798 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:27:48,799 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:27:48,799 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:27:48,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:27:48,800 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:27:48,800 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:27:48,800 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:27:48,800 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:27:48,801 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:27:48,801 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:27:48,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:27:48,801 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:27:48,801 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:27:48,802 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:27:48,802 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:27:48,802 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:27:48,802 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:27:48,802 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:27:48,803 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:27:48,803 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:27:48,803 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:27:48,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:27:48,803 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:27:48,804 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:27:48,804 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:27:48,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:27:48,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:27:48,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:27:48,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:27:48,873 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:27:48,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-14 18:27:49,221 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9949685e/24e262399a1c46d8a12575989512fb7a/FLAG88936c668 [2018-09-14 18:27:49,400 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:27:49,400 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-14 18:27:49,412 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9949685e/24e262399a1c46d8a12575989512fb7a/FLAG88936c668 [2018-09-14 18:27:49,432 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9949685e/24e262399a1c46d8a12575989512fb7a [2018-09-14 18:27:49,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:27:49,447 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:27:49,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:27:49,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:27:49,456 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:27:49,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317fc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49, skipping insertion in model container [2018-09-14 18:27:49,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,473 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:27:49,716 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:27:49,747 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:27:49,800 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:27:49,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49 WrapperNode [2018-09-14 18:27:49,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:27:49,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:27:49,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:27:49,849 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:27:49,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:27:49,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:27:49,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:27:49,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:27:49,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (1/1) ... [2018-09-14 18:27:49,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:27:49,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:27:49,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:27:49,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:27:49,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (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 [2018-09-14 18:27:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:27:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:27:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:27:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:27:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:27:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:27:51,005 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:27:51,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:27:51 BoogieIcfgContainer [2018-09-14 18:27:51,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:27:51,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:27:51,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:27:51,010 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:27:51,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:27:49" (1/3) ... [2018-09-14 18:27:51,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbecf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:27:51, skipping insertion in model container [2018-09-14 18:27:51,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:27:49" (2/3) ... [2018-09-14 18:27:51,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbecf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:27:51, skipping insertion in model container [2018-09-14 18:27:51,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:27:51" (3/3) ... [2018-09-14 18:27:51,014 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_security_true-unreach-call_false-termination.c [2018-09-14 18:27:51,024 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:27:51,034 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:27:51,083 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:27:51,084 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:27:51,084 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:27:51,084 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:27:51,084 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:27:51,084 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:27:51,085 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:27:51,085 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:27:51,085 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:27:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-14 18:27:51,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-14 18:27:51,111 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:51,114 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:51,115 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:51,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1921368221, now seen corresponding path program 1 times [2018-09-14 18:27:51,122 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:51,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:51,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:51,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:51,170 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:51,254 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:51,254 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-14 18:27:51,255 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:51,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-14 18:27:51,270 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-14 18:27:51,271 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-14 18:27:51,273 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-09-14 18:27:51,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:51,306 INFO L93 Difference]: Finished difference Result 160 states and 298 transitions. [2018-09-14 18:27:51,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-14 18:27:51,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-09-14 18:27:51,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:51,321 INFO L225 Difference]: With dead ends: 160 [2018-09-14 18:27:51,321 INFO L226 Difference]: Without dead ends: 78 [2018-09-14 18:27:51,325 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-14 18:27:51,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-09-14 18:27:51,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-09-14 18:27:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-09-14 18:27:51,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 113 transitions. [2018-09-14 18:27:51,369 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 113 transitions. Word has length 13 [2018-09-14 18:27:51,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:51,370 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 113 transitions. [2018-09-14 18:27:51,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-14 18:27:51,370 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2018-09-14 18:27:51,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-14 18:27:51,371 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:51,371 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:51,372 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:51,372 INFO L82 PathProgramCache]: Analyzing trace with hash -34635363, now seen corresponding path program 1 times [2018-09-14 18:27:51,372 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:51,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:51,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:51,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:51,374 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:51,453 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:51,453 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:51,453 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:51,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:51,457 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:51,458 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:51,459 INFO L87 Difference]: Start difference. First operand 78 states and 113 transitions. Second operand 3 states. [2018-09-14 18:27:51,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:51,635 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2018-09-14 18:27:51,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:51,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-14 18:27:51,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:51,637 INFO L225 Difference]: With dead ends: 153 [2018-09-14 18:27:51,637 INFO L226 Difference]: Without dead ends: 81 [2018-09-14 18:27:51,639 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:51,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-14 18:27:51,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-14 18:27:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-14 18:27:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2018-09-14 18:27:51,649 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 14 [2018-09-14 18:27:51,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:51,649 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2018-09-14 18:27:51,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2018-09-14 18:27:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-14 18:27:51,650 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:51,651 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:51,651 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:51,651 INFO L82 PathProgramCache]: Analyzing trace with hash -304388480, now seen corresponding path program 1 times [2018-09-14 18:27:51,651 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:51,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:51,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:51,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:51,653 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:51,705 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:51,705 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:51,705 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:51,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:51,706 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:51,706 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:51,706 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand 3 states. [2018-09-14 18:27:51,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:51,993 INFO L93 Difference]: Finished difference Result 146 states and 213 transitions. [2018-09-14 18:27:51,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:51,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-14 18:27:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:51,995 INFO L225 Difference]: With dead ends: 146 [2018-09-14 18:27:51,995 INFO L226 Difference]: Without dead ends: 72 [2018-09-14 18:27:51,996 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:51,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-09-14 18:27:52,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-09-14 18:27:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-09-14 18:27:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 102 transitions. [2018-09-14 18:27:52,008 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 102 transitions. Word has length 19 [2018-09-14 18:27:52,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:52,008 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 102 transitions. [2018-09-14 18:27:52,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2018-09-14 18:27:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-14 18:27:52,010 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:52,010 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:52,011 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:52,011 INFO L82 PathProgramCache]: Analyzing trace with hash -512664072, now seen corresponding path program 1 times [2018-09-14 18:27:52,013 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:52,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:52,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,015 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:52,124 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:52,124 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:52,124 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:52,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:52,125 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:52,125 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:52,125 INFO L87 Difference]: Start difference. First operand 72 states and 102 transitions. Second operand 3 states. [2018-09-14 18:27:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:52,406 INFO L93 Difference]: Finished difference Result 192 states and 280 transitions. [2018-09-14 18:27:52,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:52,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-09-14 18:27:52,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:52,409 INFO L225 Difference]: With dead ends: 192 [2018-09-14 18:27:52,409 INFO L226 Difference]: Without dead ends: 122 [2018-09-14 18:27:52,410 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-09-14 18:27:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 108. [2018-09-14 18:27:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-14 18:27:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2018-09-14 18:27:52,421 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 22 [2018-09-14 18:27:52,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:52,421 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2018-09-14 18:27:52,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2018-09-14 18:27:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-14 18:27:52,423 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:52,423 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:52,423 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:52,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1940953662, now seen corresponding path program 1 times [2018-09-14 18:27:52,424 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:52,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:52,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,425 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:52,507 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:52,507 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:52,507 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:52,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:52,508 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:52,508 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:52,508 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 3 states. [2018-09-14 18:27:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:52,612 INFO L93 Difference]: Finished difference Result 183 states and 260 transitions. [2018-09-14 18:27:52,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:52,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-14 18:27:52,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:52,614 INFO L225 Difference]: With dead ends: 183 [2018-09-14 18:27:52,614 INFO L226 Difference]: Without dead ends: 87 [2018-09-14 18:27:52,615 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-14 18:27:52,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-09-14 18:27:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-14 18:27:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 117 transitions. [2018-09-14 18:27:52,624 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 117 transitions. Word has length 23 [2018-09-14 18:27:52,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:52,624 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 117 transitions. [2018-09-14 18:27:52,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2018-09-14 18:27:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-14 18:27:52,626 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:52,626 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:52,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:52,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1172052595, now seen corresponding path program 1 times [2018-09-14 18:27:52,627 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:52,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:52,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,628 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-14 18:27:52,676 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:52,676 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:52,677 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:52,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:52,677 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:52,677 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:52,678 INFO L87 Difference]: Start difference. First operand 85 states and 117 transitions. Second operand 3 states. [2018-09-14 18:27:52,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:52,726 INFO L93 Difference]: Finished difference Result 134 states and 190 transitions. [2018-09-14 18:27:52,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:52,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-09-14 18:27:52,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:52,729 INFO L225 Difference]: With dead ends: 134 [2018-09-14 18:27:52,729 INFO L226 Difference]: Without dead ends: 70 [2018-09-14 18:27:52,731 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:52,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-09-14 18:27:52,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-09-14 18:27:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-09-14 18:27:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2018-09-14 18:27:52,738 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 29 [2018-09-14 18:27:52,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:52,738 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2018-09-14 18:27:52,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2018-09-14 18:27:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-14 18:27:52,740 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:52,740 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:52,741 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:52,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1320221367, now seen corresponding path program 1 times [2018-09-14 18:27:52,741 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:52,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:52,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:52,743 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-14 18:27:52,810 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:52,810 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:52,810 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:52,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:52,811 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:52,811 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:52,811 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand 3 states. [2018-09-14 18:27:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:53,193 INFO L93 Difference]: Finished difference Result 158 states and 228 transitions. [2018-09-14 18:27:53,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:53,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-14 18:27:53,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:53,198 INFO L225 Difference]: With dead ends: 158 [2018-09-14 18:27:53,198 INFO L226 Difference]: Without dead ends: 111 [2018-09-14 18:27:53,199 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-09-14 18:27:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2018-09-14 18:27:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-09-14 18:27:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2018-09-14 18:27:53,208 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 30 [2018-09-14 18:27:53,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:53,208 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2018-09-14 18:27:53,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2018-09-14 18:27:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-14 18:27:53,210 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:53,210 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:53,210 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:53,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1121323394, now seen corresponding path program 1 times [2018-09-14 18:27:53,211 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:53,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:53,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,212 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-14 18:27:53,257 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:53,258 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:53,258 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:53,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:53,258 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:53,259 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,259 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand 3 states. [2018-09-14 18:27:53,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:53,410 INFO L93 Difference]: Finished difference Result 166 states and 232 transitions. [2018-09-14 18:27:53,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:53,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-14 18:27:53,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:53,415 INFO L225 Difference]: With dead ends: 166 [2018-09-14 18:27:53,415 INFO L226 Difference]: Without dead ends: 92 [2018-09-14 18:27:53,416 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-09-14 18:27:53,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-09-14 18:27:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-09-14 18:27:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 120 transitions. [2018-09-14 18:27:53,424 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 120 transitions. Word has length 31 [2018-09-14 18:27:53,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:53,425 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 120 transitions. [2018-09-14 18:27:53,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2018-09-14 18:27:53,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-14 18:27:53,427 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:53,427 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:53,427 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:53,428 INFO L82 PathProgramCache]: Analyzing trace with hash -984969239, now seen corresponding path program 1 times [2018-09-14 18:27:53,428 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:53,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:53,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,429 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-14 18:27:53,478 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:53,479 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:53,479 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:53,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:53,479 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:53,480 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,480 INFO L87 Difference]: Start difference. First operand 92 states and 120 transitions. Second operand 3 states. [2018-09-14 18:27:53,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:53,556 INFO L93 Difference]: Finished difference Result 139 states and 184 transitions. [2018-09-14 18:27:53,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:53,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-14 18:27:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:53,558 INFO L225 Difference]: With dead ends: 139 [2018-09-14 18:27:53,558 INFO L226 Difference]: Without dead ends: 72 [2018-09-14 18:27:53,559 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-09-14 18:27:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-09-14 18:27:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-09-14 18:27:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2018-09-14 18:27:53,565 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 31 [2018-09-14 18:27:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:53,566 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2018-09-14 18:27:53,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2018-09-14 18:27:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-14 18:27:53,567 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:53,567 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:53,568 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:53,568 INFO L82 PathProgramCache]: Analyzing trace with hash 885900628, now seen corresponding path program 1 times [2018-09-14 18:27:53,568 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:53,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:53,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,570 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-14 18:27:53,654 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:53,654 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:53,654 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:53,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:53,655 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:53,655 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,655 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand 3 states. [2018-09-14 18:27:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:53,795 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2018-09-14 18:27:53,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:53,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-09-14 18:27:53,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:53,796 INFO L225 Difference]: With dead ends: 74 [2018-09-14 18:27:53,796 INFO L226 Difference]: Without dead ends: 70 [2018-09-14 18:27:53,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-09-14 18:27:53,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-09-14 18:27:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-09-14 18:27:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2018-09-14 18:27:53,803 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 32 [2018-09-14 18:27:53,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:53,804 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2018-09-14 18:27:53,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2018-09-14 18:27:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-14 18:27:53,805 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:53,805 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:27:53,806 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:53,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1704565915, now seen corresponding path program 1 times [2018-09-14 18:27:53,806 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:53,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:53,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:53,807 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-14 18:27:53,865 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:53,865 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:27:53,865 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:53,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:27:53,866 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:27:53,866 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,867 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand 3 states. [2018-09-14 18:27:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:53,938 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2018-09-14 18:27:53,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:27:53,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-09-14 18:27:53,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:53,940 INFO L225 Difference]: With dead ends: 111 [2018-09-14 18:27:53,940 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 18:27:53,941 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:27:53,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 18:27:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 18:27:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 18:27:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 18:27:53,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-09-14 18:27:53,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:53,942 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 18:27:53,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:27:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 18:27:53,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 18:27:53,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 18:27:54,186 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2018-09-14 18:27:54,220 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 18:27:54,220 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-14 18:27:54,220 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 18:27:54,220 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 18:27:54,220 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-14 18:27:54,220 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L316(lines 316 331) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 382) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 261) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 13 390) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L184(lines 184 199) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L118(lines 118 129) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 377) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2018-09-14 18:27:54,221 INFO L426 ceAbstractionStarter]: For program point L234(lines 234 245) no Hoare annotation was computed. [2018-09-14 18:27:54,222 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-09-14 18:27:54,222 INFO L426 ceAbstractionStarter]: For program point L350(lines 350 361) no Hoare annotation was computed. [2018-09-14 18:27:54,222 INFO L426 ceAbstractionStarter]: For program point L284(lines 284 299) no Hoare annotation was computed. [2018-09-14 18:27:54,222 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 229) no Hoare annotation was computed. [2018-09-14 18:27:54,222 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 88) no Hoare annotation was computed. [2018-09-14 18:27:54,222 INFO L426 ceAbstractionStarter]: For program point L334(lines 334 345) no Hoare annotation was computed. [2018-09-14 18:27:54,222 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 213) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 72) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 329) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 197) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 56) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L302(lines 302 313) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 13 390) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L170(lines 170 172) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 297) no Hoare annotation was computed. [2018-09-14 18:27:54,223 INFO L426 ceAbstractionStarter]: For program point L154(lines 154 156) no Hoare annotation was computed. [2018-09-14 18:27:54,224 INFO L422 ceAbstractionStarter]: At program point L22-3(lines 22 385) the Hoare annotation is: (or (and (<= main_~this_state~0 0) (= main_~q~0 0)) (and (= main_~this_state~0 3) (<= 4 main_~q~0))) [2018-09-14 18:27:54,224 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 385) no Hoare annotation was computed. [2018-09-14 18:27:54,224 INFO L426 ceAbstractionStarter]: For program point L270(lines 270 272) no Hoare annotation was computed. [2018-09-14 18:27:54,224 INFO L426 ceAbstractionStarter]: For program point L138(lines 138 140) no Hoare annotation was computed. [2018-09-14 18:27:54,224 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 256) no Hoare annotation was computed. [2018-09-14 18:27:54,224 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 124) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 372) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 240) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 108) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 356) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L222(lines 222 224) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L422 ceAbstractionStarter]: At program point L371(lines 13 390) the Hoare annotation is: false [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L338(lines 338 340) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L206(lines 206 208) no Hoare annotation was computed. [2018-09-14 18:27:54,225 INFO L426 ceAbstractionStarter]: For program point L322(lines 322 324) no Hoare annotation was computed. [2018-09-14 18:27:54,226 INFO L426 ceAbstractionStarter]: For program point L190(lines 190 192) no Hoare annotation was computed. [2018-09-14 18:27:54,226 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 308) no Hoare annotation was computed. [2018-09-14 18:27:54,226 INFO L426 ceAbstractionStarter]: For program point L290(lines 290 292) no Hoare annotation was computed. [2018-09-14 18:27:54,226 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2018-09-14 18:27:54,226 INFO L426 ceAbstractionStarter]: For program point L28(lines 28 43) no Hoare annotation was computed. [2018-09-14 18:27:54,226 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 41) no Hoare annotation was computed. [2018-09-14 18:27:54,226 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 13 390) the Hoare annotation is: true [2018-09-14 18:27:54,226 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 95) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 98) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 79) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 389) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 63) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point L164(lines 164 179) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 163) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 93) no Hoare annotation was computed. [2018-09-14 18:27:54,227 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 279) no Hoare annotation was computed. [2018-09-14 18:27:54,228 INFO L426 ceAbstractionStarter]: For program point L132(lines 132 147) no Hoare annotation was computed. [2018-09-14 18:27:54,228 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 182) no Hoare annotation was computed. [2018-09-14 18:27:54,228 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 77) no Hoare annotation was computed. [2018-09-14 18:27:54,228 INFO L426 ceAbstractionStarter]: For program point L248(lines 248 263) no Hoare annotation was computed. [2018-09-14 18:27:54,228 INFO L426 ceAbstractionStarter]: For program point L116(lines 116 131) no Hoare annotation was computed. [2018-09-14 18:27:54,228 INFO L426 ceAbstractionStarter]: For program point L50(lines 50 61) no Hoare annotation was computed. [2018-09-14 18:27:54,229 INFO L426 ceAbstractionStarter]: For program point L364(lines 364 379) no Hoare annotation was computed. [2018-09-14 18:27:54,229 INFO L426 ceAbstractionStarter]: For program point L232(lines 232 247) no Hoare annotation was computed. [2018-09-14 18:27:54,229 INFO L426 ceAbstractionStarter]: For program point L166(lines 166 177) no Hoare annotation was computed. [2018-09-14 18:27:54,229 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 115) no Hoare annotation was computed. [2018-09-14 18:27:54,229 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2018-09-14 18:27:54,229 INFO L422 ceAbstractionStarter]: At program point L381(lines 22 385) the Hoare annotation is: (let ((.cse0 (<= main_~this_state~0 0))) (or (and .cse0 (= main_~q~0 2)) (and (= main_~q~0 3) (= main_~this_state~0 2)) (and .cse0 (= main_~q~0 0)) (and (= main_~this_state~0 3) (<= 4 main_~q~0)))) [2018-09-14 18:27:54,230 INFO L426 ceAbstractionStarter]: For program point L348(lines 348 363) no Hoare annotation was computed. [2018-09-14 18:27:54,230 INFO L426 ceAbstractionStarter]: For program point L216(lines 216 231) no Hoare annotation was computed. [2018-09-14 18:27:54,230 INFO L426 ceAbstractionStarter]: For program point L183(lines 183 282) no Hoare annotation was computed. [2018-09-14 18:27:54,230 INFO L426 ceAbstractionStarter]: For program point L150(lines 150 161) no Hoare annotation was computed. [2018-09-14 18:27:54,230 INFO L426 ceAbstractionStarter]: For program point L332(lines 332 347) no Hoare annotation was computed. [2018-09-14 18:27:54,230 INFO L426 ceAbstractionStarter]: For program point L266(lines 266 277) no Hoare annotation was computed. [2018-09-14 18:27:54,230 INFO L426 ceAbstractionStarter]: For program point L200(lines 200 215) no Hoare annotation was computed. [2018-09-14 18:27:54,231 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 145) no Hoare annotation was computed. [2018-09-14 18:27:54,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:27:54 BoogieIcfgContainer [2018-09-14 18:27:54,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:27:54,246 INFO L168 Benchmark]: Toolchain (without parser) took 4801.55 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -579.9 MB). Peak memory consumption was 142.1 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:54,247 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-14 18:27:54,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.41 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:54,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:27:54,249 INFO L168 Benchmark]: Boogie Preprocessor took 70.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:27:54,250 INFO L168 Benchmark]: RCFGBuilder took 1045.97 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:54,251 INFO L168 Benchmark]: TraceAbstraction took 3238.27 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 167.4 MB). Peak memory consumption was 167.4 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:54,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 399.41 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1045.97 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3238.27 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 167.4 MB). Peak memory consumption was 167.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 389]: 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: 22]: Loop Invariant Derived loop invariant: (((this_state <= 0 && q == 2) || (q == 3 && this_state == 2)) || (this_state <= 0 && q == 0)) || (this_state == 3 && 4 <= q) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (this_state <= 0 && q == 0) || (this_state == 3 && 4 <= q) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1008 SDtfs, 337 SDslu, 455 SDs, 0 SdLazy, 217 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 49 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 10566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 55/55 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-27-54-271.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-27-54-271.csv Received shutdown request...