java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:45:10,041 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:45:10,043 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:45:10,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:45:10,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:45:10,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:45:10,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:45:10,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:45:10,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:45:10,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:45:10,075 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:45:10,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:45:10,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:45:10,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:45:10,083 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:45:10,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:45:10,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:45:10,097 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:45:10,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:45:10,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:45:10,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:45:10,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:45:10,115 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 22:45:10,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:45:10,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:45:10,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:45:10,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:45:10,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 22:45:10,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:45:10,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:45:10,160 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:45:10,161 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:45:10,161 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:45:10,161 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:45:10,164 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:45:10,164 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:45:10,165 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:45:10,165 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:45:10,165 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:45:10,166 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:45:10,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:45:10,167 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:45:10,167 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:45:10,168 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:45:10,168 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:45:10,168 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:45:10,168 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:45:10,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:45:10,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:45:10,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:45:10,169 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:45:10,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:45:10,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:45:10,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:45:10,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:45:10,171 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:45:10,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:45:10,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:45:10,172 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:45:10,172 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:45:10,172 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:45:10,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:45:10,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:45:10,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:45:10,257 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:45:10,258 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:45:10,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-07-23 22:45:10,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a06e408/8cee567791a3430bb52160688f32aae5/FLAGf014a8932 [2018-07-23 22:45:11,057 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:45:11,058 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-07-23 22:45:11,084 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a06e408/8cee567791a3430bb52160688f32aae5/FLAGf014a8932 [2018-07-23 22:45:11,101 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a06e408/8cee567791a3430bb52160688f32aae5 [2018-07-23 22:45:11,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:45:11,115 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:45:11,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:45:11,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:45:11,126 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:45:11,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:45:11" (1/1) ... [2018-07-23 22:45:11,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7228777e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:11, skipping insertion in model container [2018-07-23 22:45:11,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:45:11" (1/1) ... [2018-07-23 22:45:11,380 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:45:12,108 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:45:12,126 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:45:12,433 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:45:12,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12 WrapperNode [2018-07-23 22:45:12,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:45:12,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:45:12,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:45:12,579 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:45:12,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:12,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:12,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:45:12,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:45:12,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:45:12,840 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:45:13,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:13,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:13,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:13,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:13,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:13,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:13,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (1/1) ... [2018-07-23 22:45:13,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:45:13,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:45:13,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:45:13,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:45:13,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (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 [2018-07-23 22:45:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:45:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:45:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:45:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:45:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:45:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:45:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:45:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:45:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:45:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:45:22,129 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:45:22,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:45:22 BoogieIcfgContainer [2018-07-23 22:45:22,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:45:22,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:45:22,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:45:22,136 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:45:22,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:45:11" (1/3) ... [2018-07-23 22:45:22,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c43b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:45:22, skipping insertion in model container [2018-07-23 22:45:22,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:45:12" (2/3) ... [2018-07-23 22:45:22,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c43b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:45:22, skipping insertion in model container [2018-07-23 22:45:22,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:45:22" (3/3) ... [2018-07-23 22:45:22,140 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label59_true-unreach-call.c [2018-07-23 22:45:22,151 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:45:22,160 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:45:22,218 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:45:22,219 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:45:22,219 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:45:22,219 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:45:22,219 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:45:22,220 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:45:22,220 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:45:22,220 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:45:22,220 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:45:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-07-23 22:45:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 22:45:22,263 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:45:22,264 INFO L353 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] [2018-07-23 22:45:22,265 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:45:22,271 INFO L82 PathProgramCache]: Analyzing trace with hash -511197975, now seen corresponding path program 1 times [2018-07-23 22:45:22,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:45:22,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:22,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:45:22,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:22,321 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:45:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:45:22,796 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-23 22:45:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:45:22,904 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:45:22,905 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 22:45:22,905 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:45:22,916 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 22:45:22,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 22:45:22,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:45:22,940 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-07-23 22:45:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:45:30,520 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-07-23 22:45:30,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 22:45:30,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-07-23 22:45:30,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:45:30,553 INFO L225 Difference]: With dead ends: 1558 [2018-07-23 22:45:30,553 INFO L226 Difference]: Without dead ends: 1114 [2018-07-23 22:45:30,564 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 22:45:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-07-23 22:45:30,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-07-23 22:45:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-07-23 22:45:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-07-23 22:45:30,681 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 61 [2018-07-23 22:45:30,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:45:30,682 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-07-23 22:45:30,682 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 22:45:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-07-23 22:45:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 22:45:30,695 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:45:30,695 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:45:30,695 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:45:30,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1113551139, now seen corresponding path program 1 times [2018-07-23 22:45:30,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:45:30,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:30,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:45:30,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:30,698 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:45:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:45:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:45:31,064 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:45:31,065 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:45:31,065 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:45:31,067 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:45:31,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:45:31,067 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:45:31,068 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 5 states. [2018-07-23 22:45:44,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:45:44,120 INFO L93 Difference]: Finished difference Result 2506 states and 4577 transitions. [2018-07-23 22:45:44,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:45:44,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-07-23 22:45:44,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:45:44,144 INFO L225 Difference]: With dead ends: 2506 [2018-07-23 22:45:44,144 INFO L226 Difference]: Without dead ends: 1753 [2018-07-23 22:45:44,149 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-23 22:45:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2018-07-23 22:45:44,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1733. [2018-07-23 22:45:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-07-23 22:45:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 3007 transitions. [2018-07-23 22:45:44,238 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 3007 transitions. Word has length 131 [2018-07-23 22:45:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:45:44,239 INFO L471 AbstractCegarLoop]: Abstraction has 1733 states and 3007 transitions. [2018-07-23 22:45:44,239 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:45:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 3007 transitions. [2018-07-23 22:45:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 22:45:44,247 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:45:44,248 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:45:44,248 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:45:44,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1225089816, now seen corresponding path program 1 times [2018-07-23 22:45:44,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:45:44,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:44,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:45:44,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:44,250 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:45:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:45:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:45:44,452 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:45:44,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:45:44,453 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:45:44,453 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:45:44,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:45:44,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:45:44,454 INFO L87 Difference]: Start difference. First operand 1733 states and 3007 transitions. Second operand 6 states. [2018-07-23 22:45:50,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:45:50,371 INFO L93 Difference]: Finished difference Result 4810 states and 8533 transitions. [2018-07-23 22:45:50,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 22:45:50,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-07-23 22:45:50,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:45:50,396 INFO L225 Difference]: With dead ends: 4810 [2018-07-23 22:45:50,396 INFO L226 Difference]: Without dead ends: 3083 [2018-07-23 22:45:50,404 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-23 22:45:50,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3083 states. [2018-07-23 22:45:50,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3083 to 2951. [2018-07-23 22:45:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2018-07-23 22:45:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 4527 transitions. [2018-07-23 22:45:50,495 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 4527 transitions. Word has length 132 [2018-07-23 22:45:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:45:50,496 INFO L471 AbstractCegarLoop]: Abstraction has 2951 states and 4527 transitions. [2018-07-23 22:45:50,496 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:45:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 4527 transitions. [2018-07-23 22:45:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 22:45:50,499 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:45:50,499 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:45:50,499 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:45:50,500 INFO L82 PathProgramCache]: Analyzing trace with hash 10237216, now seen corresponding path program 1 times [2018-07-23 22:45:50,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:45:50,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:50,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:45:50,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:50,501 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:45:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:45:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:45:50,686 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:45:50,686 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:45:50,686 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:45:50,686 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:45:50,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:45:50,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:45:50,687 INFO L87 Difference]: Start difference. First operand 2951 states and 4527 transitions. Second operand 6 states. [2018-07-23 22:45:56,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:45:56,331 INFO L93 Difference]: Finished difference Result 8979 states and 14291 transitions. [2018-07-23 22:45:56,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:45:56,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-07-23 22:45:56,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:45:56,366 INFO L225 Difference]: With dead ends: 8979 [2018-07-23 22:45:56,366 INFO L226 Difference]: Without dead ends: 6034 [2018-07-23 22:45:56,390 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 22:45:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6034 states. [2018-07-23 22:45:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6034 to 5729. [2018-07-23 22:45:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5729 states. [2018-07-23 22:45:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5729 states to 5729 states and 8161 transitions. [2018-07-23 22:45:56,539 INFO L78 Accepts]: Start accepts. Automaton has 5729 states and 8161 transitions. Word has length 136 [2018-07-23 22:45:56,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:45:56,541 INFO L471 AbstractCegarLoop]: Abstraction has 5729 states and 8161 transitions. [2018-07-23 22:45:56,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:45:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 5729 states and 8161 transitions. [2018-07-23 22:45:56,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 22:45:56,546 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:45:56,546 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:45:56,546 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:45:56,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1284000927, now seen corresponding path program 1 times [2018-07-23 22:45:56,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:45:56,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:56,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:45:56,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:45:56,548 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:45:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:45:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:45:57,118 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:45:57,118 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:45:57,119 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-07-23 22:45:57,121 INFO L201 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [619], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:45:57,185 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:45:57,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:46:02,203 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:46:15,762 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:46:15,764 INFO L272 AbstractInterpreter]: Visited 103 different actions 393 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:46:15,775 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:46:18,019 INFO L232 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 78.66% of their original sizes. [2018-07-23 22:46:18,019 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:46:19,783 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:46:19,784 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:46:19,784 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-07-23 22:46:19,784 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:46:19,785 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 22:46:19,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 22:46:19,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-07-23 22:46:19,785 INFO L87 Difference]: Start difference. First operand 5729 states and 8161 transitions. Second operand 12 states. [2018-07-23 22:47:30,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:30,932 INFO L93 Difference]: Finished difference Result 12654 states and 17909 transitions. [2018-07-23 22:47:30,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 22:47:30,932 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2018-07-23 22:47:30,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:30,963 INFO L225 Difference]: With dead ends: 12654 [2018-07-23 22:47:30,963 INFO L226 Difference]: Without dead ends: 6931 [2018-07-23 22:47:30,985 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 116 SyntacticMatches, 30 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2018-07-23 22:47:30,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6931 states. [2018-07-23 22:47:31,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6931 to 6605. [2018-07-23 22:47:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6605 states. [2018-07-23 22:47:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6605 states to 6605 states and 9024 transitions. [2018-07-23 22:47:31,139 INFO L78 Accepts]: Start accepts. Automaton has 6605 states and 9024 transitions. Word has length 157 [2018-07-23 22:47:31,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:31,140 INFO L471 AbstractCegarLoop]: Abstraction has 6605 states and 9024 transitions. [2018-07-23 22:47:31,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 22:47:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 6605 states and 9024 transitions. [2018-07-23 22:47:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-07-23 22:47:31,146 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:31,146 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:47:31,147 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:47:31,147 INFO L82 PathProgramCache]: Analyzing trace with hash 967230828, now seen corresponding path program 1 times [2018-07-23 22:47:31,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:31,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:31,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:31,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:31,149 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:31,773 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-07-23 22:47:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:32,213 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:47:32,214 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:47:32,214 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-07-23 22:47:32,214 INFO L201 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1306], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:47:32,226 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:47:32,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:47:45,780 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:47:59,402 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:47:59,403 INFO L272 AbstractInterpreter]: Visited 245 different actions 722 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 22:47:59,408 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:48:01,850 INFO L232 lantSequenceWeakener]: Weakened 297 states. On average, predicates are now at 78% of their original sizes. [2018-07-23 22:48:01,851 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:48:03,402 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:48:03,402 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:48:03,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-07-23 22:48:03,403 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:48:03,403 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 22:48:03,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 22:48:03,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-07-23 22:48:03,407 INFO L87 Difference]: Start difference. First operand 6605 states and 9024 transitions. Second operand 12 states. [2018-07-23 22:48:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:48:44,853 INFO L93 Difference]: Finished difference Result 12623 states and 17620 transitions. [2018-07-23 22:48:44,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 22:48:44,853 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 299 [2018-07-23 22:48:44,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:48:44,881 INFO L225 Difference]: With dead ends: 12623 [2018-07-23 22:48:44,881 INFO L226 Difference]: Without dead ends: 7229 [2018-07-23 22:48:44,899 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 306 GetRequests, 239 SyntacticMatches, 49 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-07-23 22:48:44,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7229 states. [2018-07-23 22:48:45,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7229 to 7224. [2018-07-23 22:48:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7224 states. [2018-07-23 22:48:45,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 9665 transitions. [2018-07-23 22:48:45,071 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 9665 transitions. Word has length 299 [2018-07-23 22:48:45,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:48:45,072 INFO L471 AbstractCegarLoop]: Abstraction has 7224 states and 9665 transitions. [2018-07-23 22:48:45,072 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 22:48:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 9665 transitions. [2018-07-23 22:48:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 22:48:45,079 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:48:45,079 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:48:45,079 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:48:45,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1315664533, now seen corresponding path program 1 times [2018-07-23 22:48:45,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:48:45,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:48:45,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:48:45,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:48:45,081 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:48:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:48:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:48:45,804 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:48:45,804 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:48:45,804 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-07-23 22:48:45,805 INFO L201 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [510], [514], [518], [522], [526], [530], [534], [538], [542], [546], [550], [554], [558], [569], [573], [577], [581], [585], [596], [600], [604], [608], [612], [616], [620], [624], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [726], [737], [741], [752], [763], [767], [778], [782], [793], [797], [801], [805], [809], [813], [824], [828], [832], [836], [840], [844], [848], [852], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [930], [934], [938], [942], [946], [957], [961], [965], [969], [973], [977], [981], [985], [989], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1119], [1130], [1134], [1138], [1142], [1146], [1157], [1161], [1165], [1169], [1173], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1295], [1299], [1303], [1307], [1310], [1563], [1567], [1571], [1577], [1581], [1583], [1662], [1663], [1664], [1666], [1667] [2018-07-23 22:48:45,813 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:48:45,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:48:59,376 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:49:07,513 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 22:49:07,513 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 22:49:07,515 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 22:49:07,515 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:49:07,515 INFO L191 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 [2018-07-23 22:49:07,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:49:07,526 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 22:49:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:49:07,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 22:49:07,704 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 22:49:07,905 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 22:49:07,905 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:49:07,911 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:49:07,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:49:07 BoogieIcfgContainer [2018-07-23 22:49:07,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:49:07,912 INFO L168 Benchmark]: Toolchain (without parser) took 236798.18 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 956.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:49:07,913 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-07-23 22:49:07,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1462.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:49:07,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:49:07,915 INFO L168 Benchmark]: Boogie Preprocessor took 703.33 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 863.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-07-23 22:49:07,916 INFO L168 Benchmark]: RCFGBuilder took 8587.66 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 315.4 MB). Peak memory consumption was 315.4 MB. Max. memory is 7.1 GB. [2018-07-23 22:49:07,917 INFO L168 Benchmark]: TraceAbstraction took 225779.76 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 640.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:49:07,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1462.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 260.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 703.33 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 863.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8587.66 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 315.4 MB). Peak memory consumption was 315.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225779.76 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 640.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 169]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 169). Cancelled while BasicCegarLoop was analyzing trace of length 301 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 225.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 145.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1544 SDtfs, 10997 SDslu, 1263 SDs, 0 SdLazy, 12224 SolverSat, 2844 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 508 GetRequests, 367 SyntacticMatches, 80 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7224occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 67.5s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.99592989848688 AbsIntWeakeningRatio, 0.0881057268722467 AbsIntAvgWeakeningVarsNumRemoved, 629.2687224669603 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 1143 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 916 NumberOfCodeBlocks, 916 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 910 ConstructedInterpolants, 0 QuantifiedInterpolants, 663721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 162/270 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label59_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-49-07-942.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label59_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-49-07-942.csv Completed graceful shutdown