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/eca-rers2012/Problem11_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:26:14,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:26:14,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:26:14,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:26:14,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:26:14,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:26:14,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:26:14,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:26:14,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:26:14,866 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:26:14,868 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:26:14,869 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:26:14,870 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:26:14,871 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:26:14,872 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:26:14,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:26:14,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:26:14,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:26:14,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:26:14,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:26:14,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:26:14,893 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:26:14,895 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 11:26:14,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 11:26:14,895 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 11:26:14,896 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 11:26:14,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 11:26:14,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 11:26:14,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 11:26:14,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 11:26:14,900 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 11:26:14,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 11:26:14,900 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:26:14,901 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:26:14,902 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:26:14,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:26:14,903 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 [2018-09-18 11:26:14,928 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:26:14,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:26:14,929 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:26:14,929 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:26:14,929 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:26:14,932 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:26:14,932 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:26:14,932 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:26:14,933 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:26:14,933 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:26:14,933 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:26:14,933 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:26:14,934 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:26:14,935 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:26:14,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:26:14,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:26:14,936 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:26:14,936 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:26:14,936 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:26:14,936 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:26:14,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:26:14,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:26:14,937 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:26:14,937 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:26:14,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:26:14,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:26:14,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:26:14,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:26:14,940 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:26:14,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:26:14,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:26:14,940 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:26:14,941 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:26:14,941 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:26:15,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:26:15,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:26:15,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:26:15,029 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:26:15,030 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:26:15,031 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-09-18 11:26:15,404 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e21adc55/44f0a67ad5eb42f0adf63e88c83a6525/FLAGbcab769aa [2018-09-18 11:26:15,720 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:26:15,723 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-09-18 11:26:15,739 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e21adc55/44f0a67ad5eb42f0adf63e88c83a6525/FLAGbcab769aa [2018-09-18 11:26:15,761 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e21adc55/44f0a67ad5eb42f0adf63e88c83a6525 [2018-09-18 11:26:15,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:26:15,776 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:26:15,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:26:15,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:26:15,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:26:15,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:26:15" (1/1) ... [2018-09-18 11:26:15,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c36117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:15, skipping insertion in model container [2018-09-18 11:26:15,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:26:15" (1/1) ... [2018-09-18 11:26:15,804 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:26:16,454 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:26:16,472 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:26:16,639 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:26:16,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16 WrapperNode [2018-09-18 11:26:16,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:26:16,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:26:16,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:26:16,730 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:26:16,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:16,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:16,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:26:16,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:26:16,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:26:16,925 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:26:17,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:17,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:17,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:17,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:17,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:17,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:17,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (1/1) ... [2018-09-18 11:26:17,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:26:17,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:26:17,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:26:17,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:26:17,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (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 [2018-09-18 11:26:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:26:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:26:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:26:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:26:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:26:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:26:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:26:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:26:22,303 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:26:22,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:26:22 BoogieIcfgContainer [2018-09-18 11:26:22,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:26:22,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:26:22,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:26:22,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:26:22,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:26:15" (1/3) ... [2018-09-18 11:26:22,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3355e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:26:22, skipping insertion in model container [2018-09-18 11:26:22,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:16" (2/3) ... [2018-09-18 11:26:22,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3355e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:26:22, skipping insertion in model container [2018-09-18 11:26:22,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:26:22" (3/3) ... [2018-09-18 11:26:22,313 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label52_true-unreach-call.c [2018-09-18 11:26:22,323 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:26:22,333 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:26:22,397 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:26:22,398 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:26:22,398 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:26:22,399 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:26:22,399 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:26:22,399 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:26:22,399 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:26:22,399 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:26:22,399 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:26:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-18 11:26:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-18 11:26:22,443 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:22,444 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:26:22,445 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:22,451 INFO L82 PathProgramCache]: Analyzing trace with hash -684847423, now seen corresponding path program 1 times [2018-09-18 11:26:22,454 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:22,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:22,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:22,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:22,504 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:23,023 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:26:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:23,149 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:26:23,150 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:26:23,150 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:26:23,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:26:23,174 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:26:23,175 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:26:23,179 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-09-18 11:26:26,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:26:26,186 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-09-18 11:26:26,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:26:26,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-09-18 11:26:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:26:26,210 INFO L225 Difference]: With dead ends: 790 [2018-09-18 11:26:26,210 INFO L226 Difference]: Without dead ends: 495 [2018-09-18 11:26:26,219 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:26:26,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-09-18 11:26:26,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-09-18 11:26:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-09-18 11:26:26,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-09-18 11:26:26,309 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 59 [2018-09-18 11:26:26,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:26:26,310 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-09-18 11:26:26,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:26:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-09-18 11:26:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-18 11:26:26,319 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:26,319 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:26:26,320 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:26,320 INFO L82 PathProgramCache]: Analyzing trace with hash 788418208, now seen corresponding path program 1 times [2018-09-18 11:26:26,320 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:26,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:26,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:26,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:26,322 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:26,627 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:26:26,627 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:26:26,627 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:26:26,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:26:26,630 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:26:26,630 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:26:26,630 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-09-18 11:26:32,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:26:32,102 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-09-18 11:26:32,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:26:32,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-09-18 11:26:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:26:32,112 INFO L225 Difference]: With dead ends: 1731 [2018-09-18 11:26:32,113 INFO L226 Difference]: Without dead ends: 1249 [2018-09-18 11:26:32,118 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:26:32,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-09-18 11:26:32,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-09-18 11:26:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-09-18 11:26:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-09-18 11:26:32,190 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 135 [2018-09-18 11:26:32,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:26:32,191 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-09-18 11:26:32,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:26:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-09-18 11:26:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-18 11:26:32,197 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:32,197 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:26:32,197 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:32,198 INFO L82 PathProgramCache]: Analyzing trace with hash 167245263, now seen corresponding path program 1 times [2018-09-18 11:26:32,198 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:32,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:32,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:32,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:32,199 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:32,517 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:26:32,517 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:26:32,517 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:26:32,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:26:32,518 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:26:32,518 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:26:32,518 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-09-18 11:26:37,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:26:37,626 INFO L93 Difference]: Finished difference Result 3666 states and 6091 transitions. [2018-09-18 11:26:37,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:26:37,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-09-18 11:26:37,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:26:37,645 INFO L225 Difference]: With dead ends: 3666 [2018-09-18 11:26:37,646 INFO L226 Difference]: Without dead ends: 2640 [2018-09-18 11:26:37,653 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:26:37,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-09-18 11:26:37,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2605. [2018-09-18 11:26:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2018-09-18 11:26:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3731 transitions. [2018-09-18 11:26:37,730 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3731 transitions. Word has length 146 [2018-09-18 11:26:37,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:26:37,731 INFO L480 AbstractCegarLoop]: Abstraction has 2605 states and 3731 transitions. [2018-09-18 11:26:37,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:26:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3731 transitions. [2018-09-18 11:26:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-09-18 11:26:37,737 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:37,737 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:26:37,738 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:37,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2059396069, now seen corresponding path program 1 times [2018-09-18 11:26:37,738 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:37,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:37,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:37,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:37,740 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:38,226 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:26:38,226 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:26:38,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:38,235 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:26:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:38,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:26:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:38,571 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:26:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:39,026 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 11:26:39,026 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-09-18 11:26:39,027 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:26:39,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:26:39,030 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:26:39,030 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:26:39,030 INFO L87 Difference]: Start difference. First operand 2605 states and 3731 transitions. Second operand 3 states. [2018-09-18 11:26:43,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:26:43,070 INFO L93 Difference]: Finished difference Result 6000 states and 8839 transitions. [2018-09-18 11:26:43,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:26:43,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2018-09-18 11:26:43,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:26:43,097 INFO L225 Difference]: With dead ends: 6000 [2018-09-18 11:26:43,097 INFO L226 Difference]: Without dead ends: 3401 [2018-09-18 11:26:43,110 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 382 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:26:43,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2018-09-18 11:26:43,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3205. [2018-09-18 11:26:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3205 states. [2018-09-18 11:26:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4562 transitions. [2018-09-18 11:26:43,223 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4562 transitions. Word has length 191 [2018-09-18 11:26:43,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:26:43,224 INFO L480 AbstractCegarLoop]: Abstraction has 3205 states and 4562 transitions. [2018-09-18 11:26:43,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:26:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4562 transitions. [2018-09-18 11:26:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-09-18 11:26:43,233 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:43,233 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:26:43,234 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:43,234 INFO L82 PathProgramCache]: Analyzing trace with hash -558733758, now seen corresponding path program 1 times [2018-09-18 11:26:43,234 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:43,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:43,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:43,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:43,237 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:43,610 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:26:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 104 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:26:44,036 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:26:44,036 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:26:44,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:44,049 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:26:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:44,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:26:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-09-18 11:26:44,567 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:26:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 104 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:26:44,808 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:26:44,809 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-18 11:26:44,809 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:26:44,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:26:44,810 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:26:44,810 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:26:44,811 INFO L87 Difference]: Start difference. First operand 3205 states and 4562 transitions. Second operand 5 states. [2018-09-18 11:26:48,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:26:48,941 INFO L93 Difference]: Finished difference Result 10429 states and 15187 transitions. [2018-09-18 11:26:48,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:26:48,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2018-09-18 11:26:48,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:26:48,987 INFO L225 Difference]: With dead ends: 10429 [2018-09-18 11:26:48,987 INFO L226 Difference]: Without dead ends: 7230 [2018-09-18 11:26:49,005 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 427 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-09-18 11:26:49,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2018-09-18 11:26:49,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 7140. [2018-09-18 11:26:49,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7140 states. [2018-09-18 11:26:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7140 states to 7140 states and 9910 transitions. [2018-09-18 11:26:49,187 INFO L78 Accepts]: Start accepts. Automaton has 7140 states and 9910 transitions. Word has length 216 [2018-09-18 11:26:49,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:26:49,187 INFO L480 AbstractCegarLoop]: Abstraction has 7140 states and 9910 transitions. [2018-09-18 11:26:49,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:26:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 7140 states and 9910 transitions. [2018-09-18 11:26:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-09-18 11:26:49,201 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:49,201 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:26:49,201 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:49,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1790586155, now seen corresponding path program 1 times [2018-09-18 11:26:49,202 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:49,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:49,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:49,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:49,203 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:49,544 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:26:49,544 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:26:49,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:49,564 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:26:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:49,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:26:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-09-18 11:26:49,714 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:26:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-09-18 11:26:49,937 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 11:26:49,937 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-18 11:26:49,937 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:26:49,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:26:49,939 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:26:49,939 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:26:49,939 INFO L87 Difference]: Start difference. First operand 7140 states and 9910 transitions. Second operand 3 states. [2018-09-18 11:26:51,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:26:51,513 INFO L93 Difference]: Finished difference Result 18649 states and 26527 transitions. [2018-09-18 11:26:51,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:26:51,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-09-18 11:26:51,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:26:51,573 INFO L225 Difference]: With dead ends: 18649 [2018-09-18 11:26:51,573 INFO L226 Difference]: Without dead ends: 11515 [2018-09-18 11:26:51,614 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:26:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11515 states. [2018-09-18 11:26:51,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11515 to 11385. [2018-09-18 11:26:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11385 states. [2018-09-18 11:26:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11385 states to 11385 states and 15358 transitions. [2018-09-18 11:26:51,874 INFO L78 Accepts]: Start accepts. Automaton has 11385 states and 15358 transitions. Word has length 217 [2018-09-18 11:26:51,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:26:51,875 INFO L480 AbstractCegarLoop]: Abstraction has 11385 states and 15358 transitions. [2018-09-18 11:26:51,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:26:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 11385 states and 15358 transitions. [2018-09-18 11:26:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-09-18 11:26:51,893 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:51,893 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:26:51,894 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:51,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1163374894, now seen corresponding path program 1 times [2018-09-18 11:26:51,894 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:51,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:51,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:51,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:51,895 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-18 11:26:52,131 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:26:52,131 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:26:52,132 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:26:52,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:26:52,132 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:26:52,133 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:26:52,133 INFO L87 Difference]: Start difference. First operand 11385 states and 15358 transitions. Second operand 3 states. [2018-09-18 11:26:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:26:53,824 INFO L93 Difference]: Finished difference Result 23995 states and 33257 transitions. [2018-09-18 11:26:53,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:26:53,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2018-09-18 11:26:53,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:26:53,872 INFO L225 Difference]: With dead ends: 23995 [2018-09-18 11:26:53,873 INFO L226 Difference]: Without dead ends: 12616 [2018-09-18 11:26:53,904 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:26:53,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12616 states. [2018-09-18 11:26:54,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12616 to 12614. [2018-09-18 11:26:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12614 states. [2018-09-18 11:26:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12614 states to 12614 states and 16994 transitions. [2018-09-18 11:26:54,146 INFO L78 Accepts]: Start accepts. Automaton has 12614 states and 16994 transitions. Word has length 222 [2018-09-18 11:26:54,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:26:54,147 INFO L480 AbstractCegarLoop]: Abstraction has 12614 states and 16994 transitions. [2018-09-18 11:26:54,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:26:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 12614 states and 16994 transitions. [2018-09-18 11:26:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-09-18 11:26:54,175 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:26:54,176 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:26:54,176 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:26:54,176 INFO L82 PathProgramCache]: Analyzing trace with hash 985491209, now seen corresponding path program 1 times [2018-09-18 11:26:54,176 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:26:54,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:54,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:54,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:26:54,177 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:26:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:54,527 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:26:54,527 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:26:54,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:54,536 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:26:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:54,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:26:55,474 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 11 [2018-09-18 11:26:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:55,732 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:26:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:56,282 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:26:56,282 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:26:56,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:26:56,299 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:26:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:26:56,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:26:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 105 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:56,690 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:26:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:26:56,991 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:26:56,992 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8, 7, 5] total 19 [2018-09-18 11:26:56,992 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:26:56,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-18 11:26:56,993 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-18 11:26:56,993 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-09-18 11:26:56,993 INFO L87 Difference]: Start difference. First operand 12614 states and 16994 transitions. Second operand 11 states. [2018-09-18 11:27:01,175 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-09-18 11:27:02,142 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-09-18 11:27:05,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:27:05,432 INFO L93 Difference]: Finished difference Result 28851 states and 40784 transitions. [2018-09-18 11:27:05,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-09-18 11:27:05,435 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 257 [2018-09-18 11:27:05,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:27:05,504 INFO L225 Difference]: With dead ends: 28851 [2018-09-18 11:27:05,504 INFO L226 Difference]: Without dead ends: 14684 [2018-09-18 11:27:05,548 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1075 GetRequests, 1025 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=597, Invalid=1953, Unknown=0, NotChecked=0, Total=2550 [2018-09-18 11:27:05,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14684 states. [2018-09-18 11:27:05,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14684 to 13720. [2018-09-18 11:27:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13720 states. [2018-09-18 11:27:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13720 states to 13720 states and 16456 transitions. [2018-09-18 11:27:05,817 INFO L78 Accepts]: Start accepts. Automaton has 13720 states and 16456 transitions. Word has length 257 [2018-09-18 11:27:05,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:27:05,818 INFO L480 AbstractCegarLoop]: Abstraction has 13720 states and 16456 transitions. [2018-09-18 11:27:05,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-18 11:27:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 13720 states and 16456 transitions. [2018-09-18 11:27:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-09-18 11:27:05,853 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:27:05,853 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:27:05,853 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:27:05,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1202515472, now seen corresponding path program 1 times [2018-09-18 11:27:05,854 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:27:05,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:05,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:05,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:05,855 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:27:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:06,502 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-18 11:27:06,843 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-09-18 11:27:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:27:06,939 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:27:06,939 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:27:06,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:06,947 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:27:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:07,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:27:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-09-18 11:27:07,385 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:27:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:27:07,870 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:27:07,870 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 11 [2018-09-18 11:27:07,871 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:27:07,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:27:07,871 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:27:07,872 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:27:07,872 INFO L87 Difference]: Start difference. First operand 13720 states and 16456 transitions. Second operand 5 states. [2018-09-18 11:27:10,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:27:10,410 INFO L93 Difference]: Finished difference Result 29033 states and 34806 transitions. [2018-09-18 11:27:10,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:27:10,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 300 [2018-09-18 11:27:10,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:27:10,447 INFO L225 Difference]: With dead ends: 29033 [2018-09-18 11:27:10,447 INFO L226 Difference]: Without dead ends: 15508 [2018-09-18 11:27:10,471 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 597 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-09-18 11:27:10,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15508 states. [2018-09-18 11:27:10,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15508 to 14451. [2018-09-18 11:27:10,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14451 states. [2018-09-18 11:27:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14451 states to 14451 states and 17304 transitions. [2018-09-18 11:27:10,691 INFO L78 Accepts]: Start accepts. Automaton has 14451 states and 17304 transitions. Word has length 300 [2018-09-18 11:27:10,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:27:10,692 INFO L480 AbstractCegarLoop]: Abstraction has 14451 states and 17304 transitions. [2018-09-18 11:27:10,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:27:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 14451 states and 17304 transitions. [2018-09-18 11:27:10,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-09-18 11:27:10,727 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:27:10,728 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 11:27:10,728 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:27:10,729 INFO L82 PathProgramCache]: Analyzing trace with hash 997672691, now seen corresponding path program 1 times [2018-09-18 11:27:10,729 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:27:10,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:10,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:10,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:10,730 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:27:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:11,750 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-18 11:27:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:12,248 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:27:12,248 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:27:12,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:12,256 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:27:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:12,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:27:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:13,317 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:27:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:14,131 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:27:14,131 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:27:14,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:14,149 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:27:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:14,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:27:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:14,517 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:27:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:14,869 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:27:14,870 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 8, 5, 5] total 27 [2018-09-18 11:27:14,870 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:27:14,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-18 11:27:14,871 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-18 11:27:14,871 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2018-09-18 11:27:14,872 INFO L87 Difference]: Start difference. First operand 14451 states and 17304 transitions. Second operand 17 states. [2018-09-18 11:27:17,327 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-09-18 11:27:17,497 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2018-09-18 11:27:20,954 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-09-18 11:27:23,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:27:23,058 INFO L93 Difference]: Finished difference Result 31435 states and 37941 transitions. [2018-09-18 11:27:23,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-18 11:27:23,059 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 343 [2018-09-18 11:27:23,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:27:23,096 INFO L225 Difference]: With dead ends: 31435 [2018-09-18 11:27:23,097 INFO L226 Difference]: Without dead ends: 17179 [2018-09-18 11:27:23,125 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1413 GetRequests, 1362 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=628, Invalid=1922, Unknown=0, NotChecked=0, Total=2550 [2018-09-18 11:27:23,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17179 states. [2018-09-18 11:27:23,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17179 to 16099. [2018-09-18 11:27:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16099 states. [2018-09-18 11:27:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16099 states to 16099 states and 18721 transitions. [2018-09-18 11:27:23,371 INFO L78 Accepts]: Start accepts. Automaton has 16099 states and 18721 transitions. Word has length 343 [2018-09-18 11:27:23,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:27:23,372 INFO L480 AbstractCegarLoop]: Abstraction has 16099 states and 18721 transitions. [2018-09-18 11:27:23,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-18 11:27:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 16099 states and 18721 transitions. [2018-09-18 11:27:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-09-18 11:27:23,404 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:27:23,404 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 11:27:23,404 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:27:23,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1470194130, now seen corresponding path program 1 times [2018-09-18 11:27:23,405 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:27:23,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:23,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:23,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:23,406 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:27:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 5 proven. 106 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-09-18 11:27:24,036 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:27:24,036 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:27:24,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:24,044 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:27:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:24,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:27:25,482 WARN L1001 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_2 Int)) (let ((.cse1 (+ v_prenex_2 69157))) (let ((.cse0 (mod .cse1 299861))) (and (<= c_~a29~0 (+ .cse0 277)) (< .cse1 0) (<= |c_old(~a29~0)| v_prenex_2) (not (= .cse0 0)))))) (exists ((v_~a29~0_618 Int)) (let ((.cse2 (mod (+ v_~a29~0_618 69157) 299861))) (and (<= c_~a29~0 (+ .cse2 300138)) (= .cse2 0) (<= |c_old(~a29~0)| v_~a29~0_618)))) (exists ((v_prenex_1 Int)) (let ((.cse3 (+ v_prenex_1 69157))) (and (<= 0 .cse3) (<= |c_old(~a29~0)| v_prenex_1) (<= c_~a29~0 (+ (mod .cse3 299861) 300138)))))) is different from true [2018-09-18 11:27:26,323 WARN L1001 $PredicateComparison]: unable to prove that (or (exists ((v_~a29~0_618 Int)) (let ((.cse0 (mod (+ v_~a29~0_618 69157) 299861))) (and (<= c_~a29~0 (+ .cse0 300138)) (= .cse0 0) (<= 130 v_~a29~0_618)))) (exists ((v_prenex_1 Int)) (let ((.cse1 (+ v_prenex_1 69157))) (and (<= 0 .cse1) (<= c_~a29~0 (+ (mod .cse1 299861) 300138)) (<= 130 v_prenex_1)))) (exists ((v_prenex_2 Int)) (let ((.cse3 (+ v_prenex_2 69157))) (let ((.cse2 (mod .cse3 299861))) (and (<= c_~a29~0 (+ .cse2 277)) (< .cse3 0) (<= 130 v_prenex_2) (not (= .cse2 0))))))) is different from true [2018-09-18 11:27:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2018-09-18 11:27:27,376 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:27:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:27,843 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:27:27,843 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:27:27,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:27,860 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:27:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:28,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:27:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 5 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:28,621 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:27:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:29,123 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:27:29,123 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 6, 9, 6] total 20 [2018-09-18 11:27:29,123 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:27:29,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-18 11:27:29,124 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-18 11:27:29,125 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=222, Unknown=2, NotChecked=66, Total=380 [2018-09-18 11:27:29,125 INFO L87 Difference]: Start difference. First operand 16099 states and 18721 transitions. Second operand 13 states. [2018-09-18 11:27:36,113 WARN L178 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2018-09-18 11:27:45,284 WARN L178 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 41 DAG size of output: 17 [2018-09-18 11:27:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:27:50,485 INFO L93 Difference]: Finished difference Result 50403 states and 64414 transitions. [2018-09-18 11:27:50,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-18 11:27:50,486 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 374 [2018-09-18 11:27:50,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:27:50,608 INFO L225 Difference]: With dead ends: 50403 [2018-09-18 11:27:50,608 INFO L226 Difference]: Without dead ends: 33680 [2018-09-18 11:27:50,671 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1525 GetRequests, 1481 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=329, Invalid=931, Unknown=8, NotChecked=138, Total=1406 [2018-09-18 11:27:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33680 states. [2018-09-18 11:27:51,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33680 to 33106. [2018-09-18 11:27:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33106 states. [2018-09-18 11:27:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33106 states to 33106 states and 39473 transitions. [2018-09-18 11:27:51,497 INFO L78 Accepts]: Start accepts. Automaton has 33106 states and 39473 transitions. Word has length 374 [2018-09-18 11:27:51,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:27:51,498 INFO L480 AbstractCegarLoop]: Abstraction has 33106 states and 39473 transitions. [2018-09-18 11:27:51,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-18 11:27:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 33106 states and 39473 transitions. [2018-09-18 11:27:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-09-18 11:27:51,538 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:27:51,538 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:27:51,538 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:27:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1221459068, now seen corresponding path program 1 times [2018-09-18 11:27:51,539 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:27:51,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:51,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:51,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:27:51,540 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:27:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:52,228 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-18 11:27:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 275 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:27:53,286 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:27:53,286 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:27:53,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:53,295 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:27:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:53,421 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:27:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 341 proven. 109 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-09-18 11:27:54,606 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:27:54,764 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-18 11:27:54,880 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-09-18 11:27:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 162 proven. 336 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:27:56,182 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:27:56,182 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:27:56,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:27:56,198 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:27:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:27:56,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:27:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 341 proven. 109 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-09-18 11:27:57,107 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:27:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 269 proven. 109 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-09-18 11:27:57,997 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:27:57,997 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 8, 8, 8, 5] total 39 [2018-09-18 11:27:57,998 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:27:57,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-09-18 11:27:57,999 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-09-18 11:27:57,999 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1343, Unknown=0, NotChecked=0, Total=1482 [2018-09-18 11:27:57,999 INFO L87 Difference]: Start difference. First operand 33106 states and 39473 transitions. Second operand 26 states. [2018-09-18 11:27:59,255 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2018-09-18 11:28:00,380 WARN L178 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2018-09-18 11:28:03,312 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2018-09-18 11:28:05,090 WARN L178 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2018-09-18 11:28:05,833 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-09-18 11:28:07,865 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2018-09-18 11:28:11,388 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2018-09-18 11:28:12,786 WARN L178 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2018-09-18 11:28:13,245 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2018-09-18 11:28:14,315 WARN L178 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2018-09-18 11:28:17,813 WARN L178 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2018-09-18 11:28:25,682 WARN L178 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2018-09-18 11:28:26,585 WARN L178 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2018-09-18 11:28:29,034 WARN L178 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2018-09-18 11:28:31,457 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2018-09-18 11:28:32,455 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2018-09-18 11:28:34,223 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2018-09-18 11:28:39,173 WARN L178 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2018-09-18 11:28:39,557 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-09-18 11:28:41,870 WARN L178 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-09-18 11:28:44,142 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-09-18 11:28:46,199 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-09-18 11:28:47,210 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-09-18 11:28:51,383 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2018-09-18 11:28:53,275 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-09-18 11:28:54,957 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-09-18 11:28:55,313 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2018-09-18 11:28:56,022 WARN L178 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2018-09-18 11:28:57,838 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-09-18 11:29:01,732 WARN L178 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-09-18 11:29:06,104 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-09-18 11:29:17,635 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2018-09-18 11:29:18,279 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-09-18 11:29:18,529 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-09-18 11:29:20,746 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2018-09-18 11:29:25,908 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2018-09-18 11:29:36,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:29:36,706 INFO L93 Difference]: Finished difference Result 83649 states and 107188 transitions. [2018-09-18 11:29:36,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-09-18 11:29:36,706 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 463 [2018-09-18 11:29:36,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:29:36,707 INFO L225 Difference]: With dead ends: 83649 [2018-09-18 11:29:36,707 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 11:29:36,871 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2097 GetRequests, 1863 SyntacticMatches, 6 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20121 ImplicationChecksByTransitivity, 36.2s TimeCoverageRelationStatistics Valid=7363, Invalid=45307, Unknown=0, NotChecked=0, Total=52670 [2018-09-18 11:29:36,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 11:29:36,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 11:29:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 11:29:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 11:29:36,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 463 [2018-09-18 11:29:36,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:29:36,873 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 11:29:36,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-09-18 11:29:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 11:29:36,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 11:29:36,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 11:29:38,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:38,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:39,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:40,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,413 WARN L178 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 675 DAG size of output: 455 [2018-09-18 11:29:41,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:41,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:42,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:29:43,711 WARN L178 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 675 DAG size of output: 455 [2018-09-18 11:29:46,369 WARN L178 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 520 DAG size of output: 71 [2018-09-18 11:30:07,351 WARN L178 SmtUtils]: Spent 20.96 s on a formula simplification. DAG size of input: 453 DAG size of output: 84 Received shutdown request... [2018-09-18 11:30:13,559 WARN L186 SmtUtils]: Removed 16 from assertion stack [2018-09-18 11:30:13,559 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2018-09-18 11:30:13,560 INFO L168 Benchmark]: Toolchain (without parser) took 237786.89 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-18 11:30:13,561 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 11:30:13,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 951.92 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-18 11:30:13,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-18 11:30:13,563 INFO L168 Benchmark]: Boogie Preprocessor took 388.74 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.2 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -929.2 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-18 11:30:13,564 INFO L168 Benchmark]: RCFGBuilder took 4990.42 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 7.1 GB. [2018-09-18 11:30:13,564 INFO L168 Benchmark]: TraceAbstraction took 231254.04 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -925.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-18 11:30:13,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 951.92 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 194.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 388.74 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.2 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -929.2 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4990.42 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231254.04 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -925.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 162]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 453. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label52_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-30-13-582.csv Completed graceful shutdown