java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:01:17,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:01:17,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:01:17,233 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:01:17,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:01:17,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:01:17,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:01:17,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:01:17,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:01:17,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:01:17,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:01:17,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:01:17,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:01:17,244 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:01:17,245 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:01:17,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:01:17,246 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:01:17,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:01:17,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:01:17,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:01:17,253 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:01:17,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:01:17,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:01:17,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:01:17,257 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:01:17,258 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:01:17,259 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:01:17,260 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:01:17,261 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:01:17,262 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:01:17,262 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:01:17,263 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:01:17,263 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:01:17,264 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:01:17,265 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:01:17,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:01:17,266 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 20:01:17,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:01:17,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:01:17,282 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:01:17,283 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:01:17,283 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:01:17,283 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:01:17,283 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:01:17,283 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:01:17,284 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:01:17,284 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:01:17,284 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:01:17,284 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:01:17,284 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:01:17,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:01:17,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:01:17,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:01:17,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:01:17,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:01:17,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:01:17,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:01:17,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:01:17,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:01:17,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:01:17,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:01:17,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:01:17,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:01:17,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:01:17,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:01:17,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:01:17,288 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:01:17,288 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:01:17,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:01:17,288 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:01:17,289 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:01:17,289 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:01:17,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:01:17,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:01:17,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:01:17,352 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:01:17,352 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:01:17,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-07 20:01:17,417 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca93a0f5c/21c0bb113d5d439f99f435c0b9cbb153/FLAG2d4673e40 [2018-11-07 20:01:18,051 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:01:18,054 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-07 20:01:18,084 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca93a0f5c/21c0bb113d5d439f99f435c0b9cbb153/FLAG2d4673e40 [2018-11-07 20:01:18,110 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca93a0f5c/21c0bb113d5d439f99f435c0b9cbb153 [2018-11-07 20:01:18,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:01:18,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:01:18,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:18,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:01:18,127 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:01:18,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:18,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b29a96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18, skipping insertion in model container [2018-11-07 20:01:18,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:18,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:01:18,222 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:01:18,683 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:18,688 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:01:18,834 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:18,855 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:01:18,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18 WrapperNode [2018-11-07 20:01:18,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:18,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:18,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:01:18,859 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:01:18,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:18,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:18,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:18,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:01:18,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:01:18,999 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:01:19,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:19,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:19,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:19,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:19,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:19,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:19,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (1/1) ... [2018-11-07 20:01:19,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:01:19,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:01:19,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:01:19,110 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:01:19,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (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 20:01:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:01:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:01:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:01:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:01:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:01:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:01:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:01:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:01:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:01:22,692 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:01:22,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:22 BoogieIcfgContainer [2018-11-07 20:01:22,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:01:22,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:01:22,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:01:22,698 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:01:22,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:01:18" (1/3) ... [2018-11-07 20:01:22,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe028fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:22, skipping insertion in model container [2018-11-07 20:01:22,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:18" (2/3) ... [2018-11-07 20:01:22,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe028fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:22, skipping insertion in model container [2018-11-07 20:01:22,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:22" (3/3) ... [2018-11-07 20:01:22,702 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label13_true-unreach-call.c [2018-11-07 20:01:22,712 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:01:22,719 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:01:22,738 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:01:22,778 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:01:22,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:01:22,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:01:22,779 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:01:22,779 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:01:22,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:01:22,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:01:22,780 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:01:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 20:01:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-07 20:01:22,817 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:22,819 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] [2018-11-07 20:01:22,821 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:22,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:22,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1833590460, now seen corresponding path program 1 times [2018-11-07 20:01:22,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:22,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:22,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:22,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:22,888 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:23,363 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:01:23,483 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 20:01:23,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:23,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:01:23,487 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:23,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:01:23,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:01:23,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:23,515 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 20:01:25,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:25,266 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 20:01:25,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:01:25,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-07 20:01:25,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:25,288 INFO L225 Difference]: With dead ends: 574 [2018-11-07 20:01:25,288 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 20:01:25,296 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 20:01:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 20:01:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 20:01:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 20:01:25,380 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 62 [2018-11-07 20:01:25,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:25,381 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 20:01:25,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:01:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 20:01:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-07 20:01:25,392 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:25,393 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:01:25,393 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:25,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:25,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1187218136, now seen corresponding path program 1 times [2018-11-07 20:01:25,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:25,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:25,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:25,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:25,396 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:25,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:25,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 20:01:25,977 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:25,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 20:01:25,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 20:01:25,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 20:01:25,981 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-07 20:01:28,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:28,687 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-11-07 20:01:28,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:01:28,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2018-11-07 20:01:28,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:28,703 INFO L225 Difference]: With dead ends: 1140 [2018-11-07 20:01:28,704 INFO L226 Difference]: Without dead ends: 790 [2018-11-07 20:01:28,707 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 20:01:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-07 20:01:28,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-11-07 20:01:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-07 20:01:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-11-07 20:01:28,768 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 182 [2018-11-07 20:01:28,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:28,769 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-11-07 20:01:28,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 20:01:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-11-07 20:01:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-07 20:01:28,776 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:28,777 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:01:28,777 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:28,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:28,778 INFO L82 PathProgramCache]: Analyzing trace with hash 853127875, now seen corresponding path program 1 times [2018-11-07 20:01:28,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:28,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:28,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:28,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:28,779 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:29,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:29,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:01:29,126 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:29,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:01:29,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:01:29,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:01:29,127 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-11-07 20:01:32,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:32,779 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-11-07 20:01:32,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:01:32,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-11-07 20:01:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:32,795 INFO L225 Difference]: With dead ends: 1975 [2018-11-07 20:01:32,796 INFO L226 Difference]: Without dead ends: 1197 [2018-11-07 20:01:32,801 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:01:32,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-11-07 20:01:32,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-11-07 20:01:32,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-07 20:01:32,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-11-07 20:01:32,870 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 189 [2018-11-07 20:01:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:32,871 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-11-07 20:01:32,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:01:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-11-07 20:01:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-07 20:01:32,880 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:32,881 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 20:01:32,882 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:32,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:32,883 INFO L82 PathProgramCache]: Analyzing trace with hash 751323799, now seen corresponding path program 1 times [2018-11-07 20:01:32,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:32,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:32,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:32,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:32,885 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:33,448 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:01:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:33,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:01:33,995 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:01:33,996 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-11-07 20:01:33,998 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:01:34,050 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:01:34,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:01:34,433 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:01:35,288 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:01:35,290 INFO L272 AbstractInterpreter]: Visited 128 different actions 371 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:01:35,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:35,336 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:01:36,281 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 75.53% of their original sizes. [2018-11-07 20:01:36,281 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:01:38,107 INFO L415 sIntCurrentIteration]: We unified 252 AI predicates to 252 [2018-11-07 20:01:38,107 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:01:38,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:01:38,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-11-07 20:01:38,108 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:38,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 20:01:38,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 20:01:38,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-11-07 20:01:38,110 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 21 states. [2018-11-07 20:02:03,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:03,674 INFO L93 Difference]: Finished difference Result 2877 states and 4372 transitions. [2018-11-07 20:02:03,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-07 20:02:03,674 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 253 [2018-11-07 20:02:03,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:03,684 INFO L225 Difference]: With dead ends: 2877 [2018-11-07 20:02:03,684 INFO L226 Difference]: Without dead ends: 1706 [2018-11-07 20:02:03,689 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 273 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 20:02:03,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2018-11-07 20:02:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1693. [2018-11-07 20:02:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1693 states. [2018-11-07 20:02:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2299 transitions. [2018-11-07 20:02:03,739 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2299 transitions. Word has length 253 [2018-11-07 20:02:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:03,740 INFO L480 AbstractCegarLoop]: Abstraction has 1693 states and 2299 transitions. [2018-11-07 20:02:03,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 20:02:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2299 transitions. [2018-11-07 20:02:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-07 20:02:03,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:03,748 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:03,748 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:03,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:03,748 INFO L82 PathProgramCache]: Analyzing trace with hash 802766300, now seen corresponding path program 1 times [2018-11-07 20:02:03,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:03,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:03,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:03,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:03,750 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:04,012 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:02:04,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:04,603 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:04,603 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-07 20:02:04,604 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:04,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:04,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:04,701 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:05,573 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:05,573 INFO L272 AbstractInterpreter]: Visited 128 different actions 738 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:05,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:05,579 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:05,890 INFO L227 lantSequenceWeakener]: Weakened 259 states. On average, predicates are now at 73.44% of their original sizes. [2018-11-07 20:02:05,890 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:06,593 INFO L415 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-11-07 20:02:06,594 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:06,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:06,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-07 20:02:06,594 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:06,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:02:06,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:02:06,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:02:06,596 INFO L87 Difference]: Start difference. First operand 1693 states and 2299 transitions. Second operand 10 states. [2018-11-07 20:02:17,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:17,482 INFO L93 Difference]: Finished difference Result 4042 states and 5755 transitions. [2018-11-07 20:02:17,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:02:17,482 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 262 [2018-11-07 20:02:17,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:17,496 INFO L225 Difference]: With dead ends: 4042 [2018-11-07 20:02:17,496 INFO L226 Difference]: Without dead ends: 2651 [2018-11-07 20:02:17,502 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:02:17,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2651 states. [2018-11-07 20:02:17,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2651 to 2549. [2018-11-07 20:02:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2549 states. [2018-11-07 20:02:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3363 transitions. [2018-11-07 20:02:17,568 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3363 transitions. Word has length 262 [2018-11-07 20:02:17,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:17,568 INFO L480 AbstractCegarLoop]: Abstraction has 2549 states and 3363 transitions. [2018-11-07 20:02:17,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:02:17,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3363 transitions. [2018-11-07 20:02:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-07 20:02:17,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:17,580 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:02:17,580 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:17,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:17,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2092924844, now seen corresponding path program 1 times [2018-11-07 20:02:17,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:17,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:17,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:17,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:17,582 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:18,058 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 20:02:18,227 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:02:18,469 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-11-07 20:02:18,853 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-11-07 20:02:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 224 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:02:20,073 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:20,073 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:20,074 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 299 with the following transitions: [2018-11-07 20:02:20,074 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:20,078 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:20,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:20,180 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:20,303 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:20,303 INFO L272 AbstractInterpreter]: Visited 128 different actions 252 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:20,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:20,323 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:20,765 INFO L227 lantSequenceWeakener]: Weakened 110 states. On average, predicates are now at 76.88% of their original sizes. [2018-11-07 20:02:20,766 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:21,251 INFO L415 sIntCurrentIteration]: We unified 297 AI predicates to 297 [2018-11-07 20:02:21,251 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:21,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:21,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [15] total 36 [2018-11-07 20:02:21,252 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:21,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 20:02:21,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 20:02:21,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:02:21,253 INFO L87 Difference]: Start difference. First operand 2549 states and 3363 transitions. Second operand 23 states. [2018-11-07 20:02:38,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:38,408 INFO L93 Difference]: Finished difference Result 6130 states and 8489 transitions. [2018-11-07 20:02:38,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-07 20:02:38,408 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 298 [2018-11-07 20:02:38,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:38,429 INFO L225 Difference]: With dead ends: 6130 [2018-11-07 20:02:38,429 INFO L226 Difference]: Without dead ends: 3883 [2018-11-07 20:02:38,441 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 322 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2018-11-07 20:02:38,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2018-11-07 20:02:38,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 3832. [2018-11-07 20:02:38,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3832 states. [2018-11-07 20:02:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 4851 transitions. [2018-11-07 20:02:38,554 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 4851 transitions. Word has length 298 [2018-11-07 20:02:38,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:38,555 INFO L480 AbstractCegarLoop]: Abstraction has 3832 states and 4851 transitions. [2018-11-07 20:02:38,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 20:02:38,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 4851 transitions. [2018-11-07 20:02:38,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-07 20:02:38,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:38,573 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 20:02:38,574 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:38,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:38,574 INFO L82 PathProgramCache]: Analyzing trace with hash 117336083, now seen corresponding path program 1 times [2018-11-07 20:02:38,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:38,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:38,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:38,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:38,576 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 303 proven. 72 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 20:02:39,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:39,421 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:39,422 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 330 with the following transitions: [2018-11-07 20:02:39,422 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:39,426 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:39,426 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:39,479 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:39,787 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:39,788 INFO L272 AbstractInterpreter]: Visited 129 different actions 503 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:39,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:39,797 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:40,156 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 75.53% of their original sizes. [2018-11-07 20:02:40,156 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:41,170 INFO L415 sIntCurrentIteration]: We unified 328 AI predicates to 328 [2018-11-07 20:02:41,171 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:41,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:41,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-11-07 20:02:41,172 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:41,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 20:02:41,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 20:02:41,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-11-07 20:02:41,174 INFO L87 Difference]: Start difference. First operand 3832 states and 4851 transitions. Second operand 21 states. [2018-11-07 20:02:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:52,396 INFO L93 Difference]: Finished difference Result 8291 states and 10727 transitions. [2018-11-07 20:02:52,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-07 20:02:52,397 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 329 [2018-11-07 20:02:52,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:52,419 INFO L225 Difference]: With dead ends: 8291 [2018-11-07 20:02:52,420 INFO L226 Difference]: Without dead ends: 5059 [2018-11-07 20:02:52,431 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 352 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=355, Invalid=1625, Unknown=0, NotChecked=0, Total=1980 [2018-11-07 20:02:52,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2018-11-07 20:02:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 4707. [2018-11-07 20:02:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4707 states. [2018-11-07 20:02:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 5827 transitions. [2018-11-07 20:02:52,562 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 5827 transitions. Word has length 329 [2018-11-07 20:02:52,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:52,563 INFO L480 AbstractCegarLoop]: Abstraction has 4707 states and 5827 transitions. [2018-11-07 20:02:52,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 20:02:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 5827 transitions. [2018-11-07 20:02:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-07 20:02:52,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:52,582 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:52,583 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:52,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:52,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1208182657, now seen corresponding path program 1 times [2018-11-07 20:02:52,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:52,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:52,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:52,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:52,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:53,023 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:02:53,374 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 241 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:02:53,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:53,375 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:53,375 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-11-07 20:02:53,375 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:53,378 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:53,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:53,421 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:54,011 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:54,012 INFO L272 AbstractInterpreter]: Visited 129 different actions 635 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:02:54,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:54,017 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:54,281 INFO L227 lantSequenceWeakener]: Weakened 332 states. On average, predicates are now at 73.31% of their original sizes. [2018-11-07 20:02:54,282 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:54,392 INFO L415 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2018-11-07 20:02:54,392 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:54,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:54,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-07 20:02:54,393 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:54,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:02:54,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:02:54,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:02:54,394 INFO L87 Difference]: Start difference. First operand 4707 states and 5827 transitions. Second operand 10 states. [2018-11-07 20:03:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:00,421 INFO L93 Difference]: Finished difference Result 10821 states and 13815 transitions. [2018-11-07 20:03:00,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:03:00,421 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 335 [2018-11-07 20:03:00,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:00,451 INFO L225 Difference]: With dead ends: 10821 [2018-11-07 20:03:00,451 INFO L226 Difference]: Without dead ends: 7014 [2018-11-07 20:03:00,464 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 342 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:03:00,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7014 states. [2018-11-07 20:03:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7014 to 6945. [2018-11-07 20:03:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6945 states. [2018-11-07 20:03:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 8484 transitions. [2018-11-07 20:03:00,617 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 8484 transitions. Word has length 335 [2018-11-07 20:03:00,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:00,617 INFO L480 AbstractCegarLoop]: Abstraction has 6945 states and 8484 transitions. [2018-11-07 20:03:00,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:03:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 8484 transitions. [2018-11-07 20:03:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-07 20:03:00,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:00,639 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:03:00,639 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:00,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:00,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1190754612, now seen corresponding path program 1 times [2018-11-07 20:03:00,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:00,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:00,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:00,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:00,641 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 171 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-07 20:03:00,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:00,919 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:00,919 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-11-07 20:03:00,920 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:00,921 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:00,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:00,973 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:01,305 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:01,305 INFO L272 AbstractInterpreter]: Visited 130 different actions 514 times. Merged at 8 different actions 30 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:03:01,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:01,312 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:01,312 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:01,312 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 20:03:01,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:01,323 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:01,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-07 20:03:01,854 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:02,159 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 20:03:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 246 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:03:03,230 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:03,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 20:03:03,231 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:03,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:03:03,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:03:03,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 20:03:03,232 INFO L87 Difference]: Start difference. First operand 6945 states and 8484 transitions. Second operand 11 states. [2018-11-07 20:03:08,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:08,215 INFO L93 Difference]: Finished difference Result 14009 states and 17896 transitions. [2018-11-07 20:03:08,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 20:03:08,216 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 340 [2018-11-07 20:03:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:08,235 INFO L225 Difference]: With dead ends: 14009 [2018-11-07 20:03:08,235 INFO L226 Difference]: Without dead ends: 5059 [2018-11-07 20:03:08,287 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 687 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-07 20:03:08,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2018-11-07 20:03:08,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 4248. [2018-11-07 20:03:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4248 states. [2018-11-07 20:03:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 4248 states and 4762 transitions. [2018-11-07 20:03:08,415 INFO L78 Accepts]: Start accepts. Automaton has 4248 states and 4762 transitions. Word has length 340 [2018-11-07 20:03:08,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:08,416 INFO L480 AbstractCegarLoop]: Abstraction has 4248 states and 4762 transitions. [2018-11-07 20:03:08,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:03:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4248 states and 4762 transitions. [2018-11-07 20:03:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-07 20:03:08,431 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:08,431 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:03:08,431 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:08,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:08,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1201621420, now seen corresponding path program 1 times [2018-11-07 20:03:08,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:08,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:08,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:08,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:08,433 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:09,521 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:03:10,025 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-07 20:03:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 309 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:03:10,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:10,603 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:10,603 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-11-07 20:03:10,603 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:10,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:10,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:10,682 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:11,475 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:11,475 INFO L272 AbstractInterpreter]: Visited 130 different actions 514 times. Merged at 8 different actions 30 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:03:11,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:11,501 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:11,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:11,501 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 20:03:11,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:11,515 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:11,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:24,653 WARN L179 SmtUtils]: Spent 11.86 s on a formula simplification. DAG size of input: 179 DAG size of output: 47 [2018-11-07 20:03:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 379 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-07 20:03:25,765 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:26,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:27,194 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 118 [2018-11-07 20:03:28,692 WARN L177 XnfTransformerHelper]: Simplifying conjuction of 5378 disjunctions. This might take some time... [2018-11-07 20:03:28,749 INFO L193 XnfTransformerHelper]: Simplified to conjuction of 22 disjunctions. [2018-11-07 20:03:29,040 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2018-11-07 20:03:29,043 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,106 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,174 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,242 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,867 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,915 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:29,964 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,012 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,170 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,270 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,406 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,482 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:30,595 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,034 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,108 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,159 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,211 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,328 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,380 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,480 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,529 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,583 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,679 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,857 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,906 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:31,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,105 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,155 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,313 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,363 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,410 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,471 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,518 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,566 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,660 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,708 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,760 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,915 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:32,964 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,014 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,169 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,652 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,720 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,768 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,814 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,913 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:33,962 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,057 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,154 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,324 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,438 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,499 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,611 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,660 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,744 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,795 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,954 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,002 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,050 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,100 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,193 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,277 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,326 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,631 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,679 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,775 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,822 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,918 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,010 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,057 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,153 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,606 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,897 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,992 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,159 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 171 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 20:03:37,904 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:37,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-07 20:03:37,904 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:37,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 20:03:37,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 20:03:37,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-11-07 20:03:37,907 INFO L87 Difference]: Start difference. First operand 4248 states and 4762 transitions. Second operand 23 states. [2018-11-07 20:03:39,314 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2018-11-07 20:03:53,228 WARN L179 SmtUtils]: Spent 12.19 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-11-07 20:03:53,617 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2018-11-07 20:03:57,250 WARN L179 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2018-11-07 20:03:57,540 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-11-07 20:04:00,676 WARN L179 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-11-07 20:04:01,527 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2018-11-07 20:04:02,831 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 37 [2018-11-07 20:04:03,361 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-11-07 20:04:04,537 WARN L179 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2018-11-07 20:04:06,326 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2018-11-07 20:04:16,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:04:16,310 INFO L93 Difference]: Finished difference Result 11647 states and 14372 transitions. [2018-11-07 20:04:16,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-11-07 20:04:16,311 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 376 [2018-11-07 20:04:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:04:16,312 INFO L225 Difference]: With dead ends: 11647 [2018-11-07 20:04:16,312 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:04:16,334 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 652 SyntacticMatches, 113 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8969 ImplicationChecksByTransitivity, 44.5s TimeCoverageRelationStatistics Valid=2798, Invalid=16108, Unknown=0, NotChecked=0, Total=18906 [2018-11-07 20:04:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:04:16,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:04:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:04:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:04:16,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2018-11-07 20:04:16,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:04:16,336 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:04:16,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 20:04:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:04:16,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:04:16,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:04:16,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:16,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:16,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:16,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:17,925 WARN L179 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 269 [2018-11-07 20:04:18,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:18,634 WARN L179 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 230 [2018-11-07 20:04:19,285 WARN L179 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-11-07 20:04:20,830 WARN L179 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2018-11-07 20:04:23,691 WARN L179 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 377 DAG size of output: 67 [2018-11-07 20:04:24,855 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 283 DAG size of output: 62 [2018-11-07 20:04:25,972 WARN L179 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 252 DAG size of output: 70 [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:04:25,976 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,976 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:04:25,977 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:04:25,978 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,979 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:04:25,980 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,981 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:04:25,982 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,983 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:04:25,984 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:04:25,985 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:04:25,986 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:04:25,987 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:04:25,988 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:04:25,989 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:04:25,990 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= |old(~a19~0)| ~a19~0)) (.cse6 (= |old(~a10~0)| ~a10~0)) (.cse4 (= ~a1~0 |old(~a1~0)|))) (let ((.cse9 (< 6 |calculate_output_#in~input|)) (.cse10 (< |calculate_output_#in~input| 2)) (.cse3 (= 1 |old(~a10~0)|)) (.cse2 (and .cse11 .cse6 .cse4)) (.cse0 (< 8 |old(~a19~0)|)) (.cse7 (not (= 14 ~a4~0))) (.cse8 (not (= 0 ~a12~0))) (.cse13 (and .cse5 .cse6 .cse4)) (.cse12 (= 9 |old(~a19~0)|)) (.cse1 (= 6 |old(~a19~0)|)) (.cse14 (= 8 |old(~a19~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse7 .cse8 .cse3 (< |old(~a19~0)| 9)) (or .cse9 (< |old(~a1~0)| 23) .cse10 .cse7 (and .cse4 .cse11 .cse6) (< 2147483647 |old(~a1~0)|) .cse8 (< |old(~a19~0)| 8)) (or (or .cse9 .cse10 (or (not .cse3) .cse7 .cse8 (not .cse12))) (and (and (= ~a10~0 1) .cse4) (= 9 ~a19~0))) (or .cse13 .cse7 .cse8 (< 33 |old(~a1~0)|) .cse3) (or .cse2 .cse0 .cse1 .cse14) (or .cse7 .cse8 .cse13 .cse12 .cse1 .cse14)))) [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,991 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:04:25,992 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:04:25,993 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:04:25,994 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:04:25,995 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:04:25,996 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4) (= 9 ~a19~0)) [2018-11-07 20:04:25,996 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:04:25,997 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:04:25,997 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0))) [2018-11-07 20:04:25,997 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:04:25,997 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse2 (<= main_~input~0 6)) (.cse3 (<= 2 main_~input~0)) (.cse1 (not (= ~a10~0 1)))) (or (and .cse0 (not (= ~a19~0 8)) (not (= ~a19~0 9))) (not (= |old(~a1~0)| 23)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (and .cse0 .cse1) (not (= ~a12~0 0)) (and (<= 23 ~a1~0) .cse2 (<= ~a1~0 2147483647) (<= 7 ~a19~0) .cse3) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (and (and .cse2 .cse3) (= 9 ~a19~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a1~0 33) .cse1))) [2018-11-07 20:04:25,997 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:04:25,997 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:04:25,997 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:04:25,997 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse1 (not (= ~a10~0 1)))) (or (and (<= 23 ~a1~0) (<= ~a1~0 2147483647) (<= 7 ~a19~0)) (and .cse0 (not (= ~a19~0 8))) (not (= |old(~a1~0)| 23)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (and .cse0 .cse1) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a1~0 33) .cse1))) [2018-11-07 20:04:25,997 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:04:26,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:04:26 BoogieIcfgContainer [2018-11-07 20:04:26,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:04:26,011 INFO L168 Benchmark]: Toolchain (without parser) took 187890.52 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -353.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-11-07 20:04:26,012 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:04:26,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.21 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 20:04:26,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 20:04:26,014 INFO L168 Benchmark]: Boogie Preprocessor took 110.79 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 20:04:26,015 INFO L168 Benchmark]: RCFGBuilder took 3584.12 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: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. [2018-11-07 20:04:26,015 INFO L168 Benchmark]: TraceAbstraction took 183315.65 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 328.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-07 20:04:26,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.21 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 139.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.79 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 3584.12 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: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 183315.65 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 328.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((((23 <= a1 && a1 <= 2147483647) && 7 <= a19) || (!(a19 == 6) && !(a19 == 8))) || !(\old(a1) == 23)) || !(inputF == 6)) || !(\old(a10) == 0)) || (!(a19 == 6) && !(a10 == 1))) || !(a12 == 0)) || !(4 == inputD)) || !(inputE == 5)) || !(14 == a4)) || !(3 == inputC)) || !(2 == inputB)) || !(\old(a19) == 9)) || (a1 <= 33 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 183.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 122.6s AutomataDifference, 0.0s DeadEndRemovalTime, 9.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1382 SDtfs, 19772 SDslu, 3034 SDs, 0 SdLazy, 26976 SolverSat, 4882 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 44.5s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3197 GetRequests, 2743 SyntacticMatches, 121 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10556 ImplicationChecksByTransitivity, 52.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6945occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.8s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9971114681870309 AbsIntWeakeningRatio, 0.09646739130434782 AbsIntAvgWeakeningVarsNumRemoved, 18.668478260869566 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1424 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 209 PreInvPairs, 431 NumberOfFragments, 468 HoareAnnotationTreeSize, 209 FomulaSimplifications, 31022 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 30017 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 35.6s InterpolantComputationTime, 3342 NumberOfCodeBlocks, 3342 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 4044 ConstructedInterpolants, 126 QuantifiedInterpolants, 11877358 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 3217/3995 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...