java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:05:06,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:05:06,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:05:06,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:05:06,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:05:06,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:05:06,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:05:06,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:05:06,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:05:06,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:05:06,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:05:06,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:05:06,892 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:05:06,893 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:05:06,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:05:06,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:05:06,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:05:06,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:05:06,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:05:06,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:05:06,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:05:06,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:05:06,919 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 07:05:06,934 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:05:06,962 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:05:06,963 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:05:06,964 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:05:06,964 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:05:06,964 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:05:06,964 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:05:06,964 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:05:06,965 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:05:06,965 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:05:06,965 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:05:06,965 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:05:06,966 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:05:06,966 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:05:06,966 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:05:06,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:05:06,967 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:05:06,967 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:05:06,967 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:05:06,968 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:05:06,968 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:05:06,968 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:05:06,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:05:06,969 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:05:06,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:05:06,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:05:06,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:05:06,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:05:06,970 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:05:06,970 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:05:06,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:05:06,970 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:05:06,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:05:06,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:05:06,971 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:05:06,971 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:05:06,971 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:05:07,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:05:07,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:05:07,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:05:07,037 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:05:07,038 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:05:07,039 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-07 07:05:07,105 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f9b8084/9a06c9aaf98347bfbcbbf954dc19c5b3/FLAG4b1b7aa50 [2018-11-07 07:05:07,714 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:05:07,715 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-07 07:05:07,730 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f9b8084/9a06c9aaf98347bfbcbbf954dc19c5b3/FLAG4b1b7aa50 [2018-11-07 07:05:07,754 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f9b8084/9a06c9aaf98347bfbcbbf954dc19c5b3 [2018-11-07 07:05:07,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:05:07,767 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:05:07,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:05:07,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:05:07,773 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:05:07,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:05:07" (1/1) ... [2018-11-07 07:05:07,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da2af9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:07, skipping insertion in model container [2018-11-07 07:05:07,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:05:07" (1/1) ... [2018-11-07 07:05:07,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:05:07,852 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:05:08,323 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:05:08,328 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:05:08,439 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:05:08,457 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:05:08,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08 WrapperNode [2018-11-07 07:05:08,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:05:08,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:05:08,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:05:08,459 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:05:08,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:05:08,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:05:08,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:05:08,596 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:05:08,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... [2018-11-07 07:05:08,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:05:08,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:05:08,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:05:08,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:05:08,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:05:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:05:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:05:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:05:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:05:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:05:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:05:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:05:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:05:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:05:12,061 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:05:12,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:05:12 BoogieIcfgContainer [2018-11-07 07:05:12,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:05:12,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:05:12,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:05:12,067 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:05:12,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:05:07" (1/3) ... [2018-11-07 07:05:12,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5439a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:05:12, skipping insertion in model container [2018-11-07 07:05:12,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:05:08" (2/3) ... [2018-11-07 07:05:12,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5439a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:05:12, skipping insertion in model container [2018-11-07 07:05:12,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:05:12" (3/3) ... [2018-11-07 07:05:12,071 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label25_true-unreach-call_false-termination.c [2018-11-07 07:05:12,082 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:05:12,090 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:05:12,109 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:05:12,157 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:05:12,158 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:05:12,158 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:05:12,158 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:05:12,158 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:05:12,159 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:05:12,159 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:05:12,159 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:05:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:05:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 07:05:12,214 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:12,216 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:12,218 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:12,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:12,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1106686112, now seen corresponding path program 1 times [2018-11-07 07:05:12,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:12,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:12,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:12,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:12,271 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:12,920 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:05:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:13,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:05:13,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:05:13,084 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:13,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:05:13,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:05:13,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:05:13,113 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:05:14,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:14,734 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:05:14,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:05:14,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-07 07:05:14,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:14,759 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:05:14,760 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:05:14,766 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 [2018-11-07 07:05:14,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:05:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:05:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:05:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-07 07:05:14,841 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 126 [2018-11-07 07:05:14,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:14,842 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-07 07:05:14,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:05:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-07 07:05:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 07:05:14,849 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:14,849 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:14,850 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:14,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:14,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1635455447, now seen corresponding path program 1 times [2018-11-07 07:05:14,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:14,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:14,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:14,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:14,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:15,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:05:15,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:05:15,087 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:15,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:05:15,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:05:15,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:05:15,090 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-07 07:05:16,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:16,893 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-07 07:05:16,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:05:16,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-07 07:05:16,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:16,906 INFO L225 Difference]: With dead ends: 1079 [2018-11-07 07:05:16,906 INFO L226 Difference]: Without dead ends: 745 [2018-11-07 07:05:16,912 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 07:05:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-07 07:05:16,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-07 07:05:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-07 07:05:16,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-07 07:05:16,964 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 136 [2018-11-07 07:05:16,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:16,964 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-07 07:05:16,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:05:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-07 07:05:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 07:05:16,970 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:16,970 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:16,971 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:16,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:16,972 INFO L82 PathProgramCache]: Analyzing trace with hash 852389443, now seen corresponding path program 1 times [2018-11-07 07:05:16,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:16,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:16,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:16,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:16,975 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:17,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:17,634 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:17,635 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-11-07 07:05:17,637 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:17,693 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:17,694 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:18,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:05:18,486 INFO L272 AbstractInterpreter]: Visited 126 different actions 126 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-11-07 07:05:18,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:18,545 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:05:18,996 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 80.59% of their original sizes. [2018-11-07 07:05:18,996 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:05:19,124 INFO L415 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-11-07 07:05:19,125 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:05:19,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:05:19,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-11-07 07:05:19,127 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:19,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:05:19,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:05:19,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:05:19,130 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 6 states. [2018-11-07 07:05:26,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:26,855 INFO L93 Difference]: Finished difference Result 1598 states and 2531 transitions. [2018-11-07 07:05:26,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 07:05:26,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-11-07 07:05:26,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:26,862 INFO L225 Difference]: With dead ends: 1598 [2018-11-07 07:05:26,862 INFO L226 Difference]: Without dead ends: 871 [2018-11-07 07:05:26,865 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:05:26,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-11-07 07:05:26,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 869. [2018-11-07 07:05:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-07 07:05:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1308 transitions. [2018-11-07 07:05:26,901 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1308 transitions. Word has length 146 [2018-11-07 07:05:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:26,901 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1308 transitions. [2018-11-07 07:05:26,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:05:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1308 transitions. [2018-11-07 07:05:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 07:05:26,906 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:26,907 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:26,907 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:26,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:26,908 INFO L82 PathProgramCache]: Analyzing trace with hash -768658678, now seen corresponding path program 1 times [2018-11-07 07:05:26,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:26,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:26,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:26,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:26,910 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:27,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:27,439 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:27,439 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-07 07:05:27,440 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:27,446 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:27,447 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:27,692 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:27,692 INFO L272 AbstractInterpreter]: Visited 131 different actions 254 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:05:27,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:27,718 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:27,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:27,718 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:05:27,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:27,732 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:27,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:05:28,017 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:05:28,265 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:05:28,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-07 07:05:28,266 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:28,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:05:28,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:05:28,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:05:28,267 INFO L87 Difference]: Start difference. First operand 869 states and 1308 transitions. Second operand 3 states. [2018-11-07 07:05:30,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:30,271 INFO L93 Difference]: Finished difference Result 2085 states and 3262 transitions. [2018-11-07 07:05:30,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:05:30,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-07 07:05:30,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:30,288 INFO L225 Difference]: With dead ends: 2085 [2018-11-07 07:05:30,289 INFO L226 Difference]: Without dead ends: 1358 [2018-11-07 07:05:30,292 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 294 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:05:30,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2018-11-07 07:05:30,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1358. [2018-11-07 07:05:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1358 states. [2018-11-07 07:05:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1985 transitions. [2018-11-07 07:05:30,345 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1985 transitions. Word has length 148 [2018-11-07 07:05:30,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:30,345 INFO L480 AbstractCegarLoop]: Abstraction has 1358 states and 1985 transitions. [2018-11-07 07:05:30,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:05:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1985 transitions. [2018-11-07 07:05:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-07 07:05:30,352 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:30,353 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:30,354 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:30,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:30,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1323457638, now seen corresponding path program 1 times [2018-11-07 07:05:30,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:30,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:30,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:30,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:30,358 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:30,654 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 07:05:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:30,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:30,752 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:30,753 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-07 07:05:30,753 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:30,760 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:30,760 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:31,094 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:05:31,095 INFO L272 AbstractInterpreter]: Visited 130 different actions 254 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:05:31,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:31,137 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:05:31,425 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 82.04% of their original sizes. [2018-11-07 07:05:31,426 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:05:32,157 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-07 07:05:32,158 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:05:32,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:05:32,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-07 07:05:32,158 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:32,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:05:32,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:05:32,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:05:32,160 INFO L87 Difference]: Start difference. First operand 1358 states and 1985 transitions. Second operand 10 states. [2018-11-07 07:05:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:37,117 INFO L93 Difference]: Finished difference Result 2715 states and 4008 transitions. [2018-11-07 07:05:37,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:05:37,118 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2018-11-07 07:05:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:37,126 INFO L225 Difference]: With dead ends: 2715 [2018-11-07 07:05:37,127 INFO L226 Difference]: Without dead ends: 1499 [2018-11-07 07:05:37,131 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:05:37,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2018-11-07 07:05:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1496. [2018-11-07 07:05:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2018-11-07 07:05:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2131 transitions. [2018-11-07 07:05:37,172 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2131 transitions. Word has length 155 [2018-11-07 07:05:37,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:37,173 INFO L480 AbstractCegarLoop]: Abstraction has 1496 states and 2131 transitions. [2018-11-07 07:05:37,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:05:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2131 transitions. [2018-11-07 07:05:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-07 07:05:37,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:37,179 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:37,179 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:37,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:37,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1998384054, now seen corresponding path program 1 times [2018-11-07 07:05:37,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:37,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:37,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:37,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:37,181 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:37,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:37,370 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:37,370 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-11-07 07:05:37,370 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:37,374 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:37,374 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:37,557 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:37,558 INFO L272 AbstractInterpreter]: Visited 131 different actions 254 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:05:37,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:37,563 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:37,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:37,563 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:05:37,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:37,573 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:37,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:37,801 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:05:38,185 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:38,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-07 07:05:38,185 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:38,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:05:38,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:05:38,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-07 07:05:38,186 INFO L87 Difference]: Start difference. First operand 1496 states and 2131 transitions. Second operand 9 states. [2018-11-07 07:05:43,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:43,289 INFO L93 Difference]: Finished difference Result 5966 states and 9201 transitions. [2018-11-07 07:05:43,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 07:05:43,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2018-11-07 07:05:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:43,315 INFO L225 Difference]: With dead ends: 5966 [2018-11-07 07:05:43,316 INFO L226 Difference]: Without dead ends: 4235 [2018-11-07 07:05:43,329 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=235, Invalid=821, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 07:05:43,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2018-11-07 07:05:43,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 4168. [2018-11-07 07:05:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4168 states. [2018-11-07 07:05:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 5369 transitions. [2018-11-07 07:05:43,462 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 5369 transitions. Word has length 158 [2018-11-07 07:05:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:43,463 INFO L480 AbstractCegarLoop]: Abstraction has 4168 states and 5369 transitions. [2018-11-07 07:05:43,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:05:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 5369 transitions. [2018-11-07 07:05:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-07 07:05:43,476 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:43,476 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:43,477 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:43,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:43,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1044915987, now seen corresponding path program 1 times [2018-11-07 07:05:43,477 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:43,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:43,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:43,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:43,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-07 07:05:43,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:43,603 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:43,603 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-07 07:05:43,604 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:43,606 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:43,606 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:43,775 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:43,775 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:05:43,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:43,781 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:43,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:43,781 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 07:05:43,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:43,791 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:43,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 07:05:43,985 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 07:05:44,082 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:05:44,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-07 07:05:44,083 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:05:44,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:05:44,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:05:44,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:05:44,084 INFO L87 Difference]: Start difference. First operand 4168 states and 5369 transitions. Second operand 3 states. [2018-11-07 07:05:45,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:45,343 INFO L93 Difference]: Finished difference Result 11620 states and 15302 transitions. [2018-11-07 07:05:45,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:05:45,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-11-07 07:05:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:45,381 INFO L225 Difference]: With dead ends: 11620 [2018-11-07 07:05:45,381 INFO L226 Difference]: Without dead ends: 7638 [2018-11-07 07:05:45,400 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:05:45,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7638 states. [2018-11-07 07:05:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7638 to 7599. [2018-11-07 07:05:45,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7599 states. [2018-11-07 07:05:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 9663 transitions. [2018-11-07 07:05:45,605 INFO L78 Accepts]: Start accepts. Automaton has 7599 states and 9663 transitions. Word has length 168 [2018-11-07 07:05:45,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:45,605 INFO L480 AbstractCegarLoop]: Abstraction has 7599 states and 9663 transitions. [2018-11-07 07:05:45,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:05:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 7599 states and 9663 transitions. [2018-11-07 07:05:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-07 07:05:45,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:45,630 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:45,631 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:45,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:45,631 INFO L82 PathProgramCache]: Analyzing trace with hash -28989870, now seen corresponding path program 1 times [2018-11-07 07:05:45,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:45,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:45,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:45,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:45,633 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-07 07:05:46,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:46,096 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:46,096 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-07 07:05:46,097 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:46,100 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:46,100 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:46,292 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:46,293 INFO L272 AbstractInterpreter]: Visited 133 different actions 258 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:05:46,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:46,298 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:46,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:46,298 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 07:05:46,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:46,308 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:46,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:46,612 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-07 07:05:46,613 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-07 07:05:46,747 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:46,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 07:05:46,748 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:46,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:05:46,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:05:46,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-07 07:05:46,749 INFO L87 Difference]: Start difference. First operand 7599 states and 9663 transitions. Second operand 9 states. [2018-11-07 07:05:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:50,080 INFO L93 Difference]: Finished difference Result 16578 states and 21415 transitions. [2018-11-07 07:05:50,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 07:05:50,088 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2018-11-07 07:05:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:50,131 INFO L225 Difference]: With dead ends: 16578 [2018-11-07 07:05:50,131 INFO L226 Difference]: Without dead ends: 9259 [2018-11-07 07:05:50,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2018-11-07 07:05:50,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9259 states. [2018-11-07 07:05:50,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9259 to 8081. [2018-11-07 07:05:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8081 states. [2018-11-07 07:05:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8081 states to 8081 states and 9684 transitions. [2018-11-07 07:05:50,396 INFO L78 Accepts]: Start accepts. Automaton has 8081 states and 9684 transitions. Word has length 194 [2018-11-07 07:05:50,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:50,396 INFO L480 AbstractCegarLoop]: Abstraction has 8081 states and 9684 transitions. [2018-11-07 07:05:50,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:05:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 8081 states and 9684 transitions. [2018-11-07 07:05:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-07 07:05:50,419 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:50,419 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:50,419 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:50,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:50,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1647638206, now seen corresponding path program 1 times [2018-11-07 07:05:50,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:50,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:50,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:50,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:50,421 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-07 07:05:50,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:50,882 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:50,882 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-07 07:05:50,882 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:50,886 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:50,887 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:51,096 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:51,096 INFO L272 AbstractInterpreter]: Visited 133 different actions 258 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:05:51,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:51,137 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:51,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:51,137 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:05:51,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:51,150 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:51,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 07:05:51,440 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-07 07:05:51,581 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:51,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 07:05:51,582 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:51,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:05:51,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:05:51,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 07:05:51,583 INFO L87 Difference]: Start difference. First operand 8081 states and 9684 transitions. Second operand 9 states. [2018-11-07 07:05:55,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:55,170 INFO L93 Difference]: Finished difference Result 16865 states and 20651 transitions. [2018-11-07 07:05:55,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 07:05:55,172 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 202 [2018-11-07 07:05:55,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:55,203 INFO L225 Difference]: With dead ends: 16865 [2018-11-07 07:05:55,203 INFO L226 Difference]: Without dead ends: 9064 [2018-11-07 07:05:55,226 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2018-11-07 07:05:55,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9064 states. [2018-11-07 07:05:55,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9064 to 8813. [2018-11-07 07:05:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8813 states. [2018-11-07 07:05:55,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8813 states to 8813 states and 9979 transitions. [2018-11-07 07:05:55,431 INFO L78 Accepts]: Start accepts. Automaton has 8813 states and 9979 transitions. Word has length 202 [2018-11-07 07:05:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:55,432 INFO L480 AbstractCegarLoop]: Abstraction has 8813 states and 9979 transitions. [2018-11-07 07:05:55,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:05:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 8813 states and 9979 transitions. [2018-11-07 07:05:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-07 07:05:55,455 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:05:55,455 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:05:55,455 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:05:55,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:55,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1787333195, now seen corresponding path program 1 times [2018-11-07 07:05:55,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:05:55,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:55,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:55,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:05:55,457 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:05:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:55,985 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 07:05:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-07 07:05:56,071 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:56,071 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:05:56,071 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-07 07:05:56,072 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:05:56,075 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:05:56,075 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:05:56,249 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:05:56,249 INFO L272 AbstractInterpreter]: Visited 134 different actions 260 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:05:56,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:05:56,254 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:05:56,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:05:56,254 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 07:05:56,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:05:56,263 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:05:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:05:56,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:05:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 105 proven. 59 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 07:05:56,464 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:05:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 160 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 07:05:56,735 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:05:56,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-11-07 07:05:56,735 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:05:56,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 07:05:56,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 07:05:56,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:05:56,737 INFO L87 Difference]: Start difference. First operand 8813 states and 9979 transitions. Second operand 8 states. [2018-11-07 07:05:58,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:05:58,286 INFO L93 Difference]: Finished difference Result 13994 states and 15903 transitions. [2018-11-07 07:05:58,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:05:58,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 233 [2018-11-07 07:05:58,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:05:58,287 INFO L225 Difference]: With dead ends: 13994 [2018-11-07 07:05:58,287 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:05:58,310 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 467 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-11-07 07:05:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:05:58,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:05:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:05:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:05:58,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2018-11-07 07:05:58,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:05:58,312 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:05:58,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 07:05:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:05:58,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:05:58,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:05:58,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,709 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 114 [2018-11-07 07:05:58,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:05:58,916 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 115 [2018-11-07 07:05:59,369 WARN L179 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 [2018-11-07 07:05:59,714 WARN L179 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-11-07 07:06:03,200 WARN L179 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 187 DAG size of output: 110 [2018-11-07 07:06:03,955 WARN L179 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2018-11-07 07:06:04,730 WARN L179 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2018-11-07 07:06:04,734 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:06:04,734 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (<= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-07 07:06:04,735 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:06:04,735 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:06:04,735 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:06:04,735 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,735 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,735 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,735 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:06:04,736 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,737 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:06:04,738 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:06:04,739 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:06:04,740 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:06:04,741 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:06:04,742 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:06:04,743 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,744 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:06:04,745 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:06:04,746 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:06:04,747 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:06:04,748 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:06:04,748 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:06:04,748 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:06:04,748 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:06:04,748 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:06:04,748 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:06:04,748 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:06:04,749 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (<= 6 ~a16~0)) (.cse9 (<= ~a17~0 0)) (.cse20 (= ~a7~0 |old(~a7~0)|)) (.cse23 (= 1 ~a21~0)) (.cse11 (= 1 ~a7~0)) (.cse12 (= |old(~a8~0)| ~a8~0)) (.cse21 (<= |old(~a16~0)| ~a16~0)) (.cse22 (not (= ~a16~0 6))) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse15 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (and .cse11 .cse12 .cse21 .cse22 .cse13 .cse15)) (.cse24 (and .cse9 .cse20 .cse12 .cse21 .cse22 .cse23 .cse13)) (.cse18 (and .cse20 .cse12 .cse22)) (.cse28 (not (= 0 |old(~a7~0)|))) (.cse29 (not (= 15 |old(~a8~0)|))) (.cse30 (not (= 5 |old(~a16~0)|))) (.cse31 (not (= 8 ~a12~0))) (.cse25 (= |calculate_output_#in~input| 0)) (.cse26 (= ~a17~0 1)) (.cse27 (= ~a16~0 5)) (.cse32 (not (= 1 |old(~a17~0)|))) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse19 (< 14 |old(~a8~0)|)) (.cse33 (and .cse20 .cse12 .cse13 .cse14 .cse15)) (.cse6 (= 13 |old(~a8~0)|)) (.cse16 (< |old(~a16~0)| 6)) (.cse4 (not (= 1 |old(~a7~0)|))) (.cse17 (< |old(~a8~0)| 15)) (.cse1 (< 13 |old(~a8~0)|)) (.cse34 (<= ~a20~0 0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse7 (< 0 |old(~a7~0)|)) (.cse8 (< 0 |old(~a17~0)|)) (.cse10 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse2 .cse4 .cse8 (and .cse11 .cse12 .cse13 .cse14 .cse15) .cse16) (or (and .cse11 .cse12 .cse9) .cse4 .cse8 .cse17) (or .cse0 .cse5 .cse2 .cse18 .cse19 .cse7) (or .cse0 .cse5 (and .cse20 .cse12 .cse21 .cse22 .cse23 .cse13) .cse7 .cse10) (or .cse0 .cse3 .cse1 .cse4 .cse10) (or .cse0 .cse5 .cse2 .cse24 .cse7 .cse8) (or .cse25 (and .cse26 .cse27) (or .cse28 .cse5 .cse29 (not (= 0 |old(~a20~0)|)) .cse30 .cse31 .cse32)) (or .cse0 (and .cse11 .cse12 .cse22) .cse4 .cse17) (or .cse0 .cse5 .cse2 .cse4 .cse19 .cse24 .cse8) (or .cse5 .cse2 .cse7 .cse21 .cse16) (or .cse5 .cse2 .cse6 .cse7 .cse8 .cse9) (or .cse5 .cse33 .cse2 .cse7 .cse16) (or .cse0 (= |old(~a7~0)| 1) .cse1 .cse18) (or .cse0 .cse5 .cse6 .cse4 (and .cse11 .cse12 .cse21 .cse22 .cse9 .cse13 .cse15) .cse8 .cse10) (or .cse28 .cse5 .cse2 .cse29 .cse30 .cse31 .cse25 (and .cse26 .cse20 .cse12 .cse23 .cse13 .cse27) .cse32) (or .cse1 .cse2 .cse4 .cse8 .cse9) (or .cse5 (and .cse21 .cse13 .cse15) .cse2 .cse19 .cse7) (or .cse5 .cse33 .cse6 .cse7 .cse16 .cse10) (or (and .cse11 .cse12 .cse34) .cse4 .cse17 .cse10) (or .cse0 .cse1 .cse34 .cse10) (or .cse0 .cse5 .cse7 .cse8 .cse10 .cse9)))) [2018-11-07 07:06:04,749 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:06:04,749 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,749 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,749 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,749 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,749 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,749 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:06:04,750 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,751 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:06:04,752 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:06:04,753 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:06:04,754 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 07:06:04,755 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:06:04,755 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:06:04,755 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-07 07:06:04,755 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:06:04,755 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (<= ~a7~0 0)) (.cse0 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse4 (<= ~a8~0 |old(~a8~0)|)) (.cse10 (<= 15 ~a8~0)) (.cse8 (<= ~a17~0 0)) (.cse9 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse11 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and (not (= main_~input~0 0)) (= ~a17~0 1) .cse4 .cse5 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (and .cse6 .cse0 .cse7 .cse8 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1 (<= 6 ~a16~0) .cse3) (not (= 5 |old(~a16~0)|)) (and .cse9 .cse6 .cse0 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse6 .cse10 .cse7) (and .cse1 (not (= ~a8~0 13)) .cse11 .cse3) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse1 .cse11 .cse3) (and .cse9 .cse6 .cse0 .cse8) (and .cse6 .cse7 .cse8 .cse1 .cse11) (and .cse9 .cse5 .cse7) (and .cse4 .cse6 .cse10 .cse11) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse6 .cse10 .cse8) (and .cse9 .cse6 .cse7 .cse11))) [2018-11-07 07:06:04,755 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:06:04,756 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:06:04,756 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:06:04,756 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (<= ~a7~0 0)) (.cse0 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse4 (<= ~a8~0 |old(~a8~0)|)) (.cse10 (<= 15 ~a8~0)) (.cse8 (<= ~a17~0 0)) (.cse9 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse11 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~a17~0 1) .cse4 .cse5 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 8 ~a12~0)) (and .cse6 .cse0 .cse7 .cse8 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1 (<= 6 ~a16~0) .cse3) (not (= 5 |old(~a16~0)|)) (and .cse9 .cse6 .cse0 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse6 .cse10 .cse7) (and .cse1 (not (= ~a8~0 13)) .cse11 .cse3) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse1 .cse11 .cse3) (and .cse9 .cse6 .cse0 .cse8) (and .cse6 .cse7 .cse8 .cse1 .cse11) (and .cse9 .cse5 .cse7) (and .cse4 .cse6 .cse10 .cse11) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse6 .cse10 .cse8) (and .cse9 .cse6 .cse7 .cse11))) [2018-11-07 07:06:04,756 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:06:04,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:06:04 BoogieIcfgContainer [2018-11-07 07:06:04,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:06:04,773 INFO L168 Benchmark]: Toolchain (without parser) took 57006.99 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 07:06:04,774 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:06:04,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 07:06:04,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -818.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:06:04,777 INFO L168 Benchmark]: Boogie Preprocessor took 116.18 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:06:04,777 INFO L168 Benchmark]: RCFGBuilder took 3349.67 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:06:04,778 INFO L168 Benchmark]: TraceAbstraction took 52708.92 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 772.8 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -681.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 07:06:04,783 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 689.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 136.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -818.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.18 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3349.67 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52708.92 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 772.8 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -681.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(1 == \old(a21)) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || !(8 == a12)) || (((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a8 <= 14)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 6))) || (((1 == a21 && !(a8 == 13)) && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((!(a16 == 6) && 1 == a21) && a20 <= 0) && a7 <= 0)) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a20 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a17 <= 0)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 52.6s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 33.3s AutomataDifference, 0.0s DeadEndRemovalTime, 6.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1582 SDtfs, 8513 SDslu, 1706 SDs, 0 SdLazy, 12620 SolverSat, 2404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2668 GetRequests, 2524 SyntacticMatches, 13 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8813occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9979444417850574 AbsIntWeakeningRatio, 0.2140468227424749 AbsIntAvgWeakeningVarsNumRemoved, 29.755852842809364 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 1552 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 246 PreInvPairs, 338 NumberOfFragments, 1294 HoareAnnotationTreeSize, 246 FomulaSimplifications, 9653 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3532 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 2769 NumberOfCodeBlocks, 2769 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3850 ConstructedInterpolants, 0 QuantifiedInterpolants, 1394784 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3258 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1765/1967 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...