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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:11:16,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:11:16,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:11:16,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:11:16,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:11:16,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:11:16,468 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:11:16,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:11:16,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:11:16,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:11:16,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:11:16,473 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:11:16,474 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:11:16,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:11:16,476 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:11:16,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:11:16,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:11:16,480 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:11:16,482 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:11:16,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:11:16,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:11:16,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:11:16,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 03:11:16,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 03:11:16,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 03:11:16,490 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 03:11:16,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 03:11:16,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 03:11:16,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 03:11:16,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 03:11:16,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 03:11:16,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 03:11:16,495 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:11:16,495 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:11:16,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:11:16,497 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:11:16,497 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:11:16,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:11:16,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:11:16,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:11:16,515 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:11:16,516 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:11:16,516 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:11:16,516 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:11:16,516 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:11:16,516 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:11:16,517 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:11:16,517 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:11:16,518 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:11:16,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:11:16,519 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:11:16,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:11:16,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:11:16,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:11:16,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:11:16,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:11:16,521 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:11:16,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:11:16,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:11:16,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:11:16,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:11:16,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:11:16,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:11:16,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:11:16,523 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:11:16,523 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:11:16,523 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:11:16,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:11:16,523 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:11:16,524 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:11:16,524 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:11:16,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:11:16,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:11:16,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:11:16,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:11:16,606 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:11:16,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label46_true-unreach-call.c [2018-11-07 03:11:16,676 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd799929/b3c99a10d24d48d9848a7781286926cf/FLAG8eb77b404 [2018-11-07 03:11:17,537 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:11:17,541 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label46_true-unreach-call.c [2018-11-07 03:11:17,582 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd799929/b3c99a10d24d48d9848a7781286926cf/FLAG8eb77b404 [2018-11-07 03:11:17,598 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd799929/b3c99a10d24d48d9848a7781286926cf [2018-11-07 03:11:17,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:11:17,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:11:17,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:11:17,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:11:17,618 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:11:17,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:11:17" (1/1) ... [2018-11-07 03:11:17,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b7df7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:17, skipping insertion in model container [2018-11-07 03:11:17,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:11:17" (1/1) ... [2018-11-07 03:11:17,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:11:17,819 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:11:19,258 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:11:19,263 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:11:19,861 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:11:19,899 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:11:19,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19 WrapperNode [2018-11-07 03:11:19,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:11:19,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:11:19,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:11:19,902 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:11:19,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:11:20,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:11:20,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:11:20,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:11:20,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (1/1) ... [2018-11-07 03:11:20,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:11:20,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:11:20,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:11:20,492 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:11:20,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (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 03:11:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:11:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:11:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:11:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 03:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 03:11:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 03:11:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 03:11:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:11:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:11:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:11:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:11:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:11:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:11:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:11:30,505 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:11:30,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:11:30 BoogieIcfgContainer [2018-11-07 03:11:30,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:11:30,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:11:30,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:11:30,511 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:11:30,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:11:17" (1/3) ... [2018-11-07 03:11:30,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1035b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:11:30, skipping insertion in model container [2018-11-07 03:11:30,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:11:19" (2/3) ... [2018-11-07 03:11:30,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1035b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:11:30, skipping insertion in model container [2018-11-07 03:11:30,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:11:30" (3/3) ... [2018-11-07 03:11:30,515 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label46_true-unreach-call.c [2018-11-07 03:11:30,525 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:11:30,536 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:11:30,555 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:11:30,610 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:11:30,611 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:11:30,611 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:11:30,611 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:11:30,611 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:11:30,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:11:30,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:11:30,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:11:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-07 03:11:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-07 03:11:30,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:11:30,804 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:11:30,808 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:11:30,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:11:30,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1952423036, now seen corresponding path program 1 times [2018-11-07 03:11:30,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:11:30,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:11:30,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:11:30,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:11:30,891 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:11:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:11:31,450 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-11-07 03:11:31,475 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 03:11:31,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:11:31,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:11:31,478 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:11:31,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:11:31,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:11:31,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:11:31,505 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 4 states. [2018-11-07 03:11:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:11:44,053 INFO L93 Difference]: Finished difference Result 3234 states and 6255 transitions. [2018-11-07 03:11:44,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:11:44,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-11-07 03:11:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:11:44,106 INFO L225 Difference]: With dead ends: 3234 [2018-11-07 03:11:44,106 INFO L226 Difference]: Without dead ends: 2388 [2018-11-07 03:11:44,124 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:11:44,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2018-11-07 03:11:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2018-11-07 03:11:44,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-11-07 03:11:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 4022 transitions. [2018-11-07 03:11:44,295 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 4022 transitions. Word has length 68 [2018-11-07 03:11:44,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:11:44,296 INFO L480 AbstractCegarLoop]: Abstraction has 2388 states and 4022 transitions. [2018-11-07 03:11:44,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:11:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 4022 transitions. [2018-11-07 03:11:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-07 03:11:44,306 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:11:44,307 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, 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] [2018-11-07 03:11:44,307 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:11:44,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:11:44,308 INFO L82 PathProgramCache]: Analyzing trace with hash 43116078, now seen corresponding path program 1 times [2018-11-07 03:11:44,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:11:44,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:11:44,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:11:44,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:11:44,310 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:11:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:11:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:11:44,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:11:44,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:11:44,698 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:11:44,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:11:44,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:11:44,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:11:44,701 INFO L87 Difference]: Start difference. First operand 2388 states and 4022 transitions. Second operand 6 states. [2018-11-07 03:11:57,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:11:57,650 INFO L93 Difference]: Finished difference Result 9453 states and 16261 transitions. [2018-11-07 03:11:57,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:11:57,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-07 03:11:57,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:11:57,715 INFO L225 Difference]: With dead ends: 9453 [2018-11-07 03:11:57,715 INFO L226 Difference]: Without dead ends: 7071 [2018-11-07 03:11:57,729 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 03:11:57,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-11-07 03:11:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 7023. [2018-11-07 03:11:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2018-11-07 03:11:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 10536 transitions. [2018-11-07 03:11:57,923 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 10536 transitions. Word has length 168 [2018-11-07 03:11:57,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:11:57,924 INFO L480 AbstractCegarLoop]: Abstraction has 7023 states and 10536 transitions. [2018-11-07 03:11:57,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:11:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 10536 transitions. [2018-11-07 03:11:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-07 03:11:57,931 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:11:57,932 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, 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] [2018-11-07 03:11:57,932 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:11:57,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:11:57,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1020213398, now seen corresponding path program 1 times [2018-11-07 03:11:57,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:11:57,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:11:57,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:11:57,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:11:57,934 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:11:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:11:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:11:58,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:11:58,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:11:58,276 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:11:58,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:11:58,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:11:58,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:11:58,278 INFO L87 Difference]: Start difference. First operand 7023 states and 10536 transitions. Second operand 4 states. [2018-11-07 03:12:06,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:12:06,331 INFO L93 Difference]: Finished difference Result 27807 states and 43318 transitions. [2018-11-07 03:12:06,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:12:06,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-11-07 03:12:06,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:12:06,448 INFO L225 Difference]: With dead ends: 27807 [2018-11-07 03:12:06,449 INFO L226 Difference]: Without dead ends: 20790 [2018-11-07 03:12:06,492 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:12:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2018-11-07 03:12:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 20790. [2018-11-07 03:12:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20790 states. [2018-11-07 03:12:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 31070 transitions. [2018-11-07 03:12:07,110 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 31070 transitions. Word has length 218 [2018-11-07 03:12:07,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:12:07,111 INFO L480 AbstractCegarLoop]: Abstraction has 20790 states and 31070 transitions. [2018-11-07 03:12:07,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:12:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 31070 transitions. [2018-11-07 03:12:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-07 03:12:07,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:12:07,149 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:07,149 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:12:07,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:12:07,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1511512600, now seen corresponding path program 1 times [2018-11-07 03:12:07,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:12:07,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:12:07,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:12:07,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:12:07,151 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:12:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:12:07,573 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:12:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-07 03:12:08,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:12:08,151 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:12:08,152 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2018-11-07 03:12:08,161 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2299], [2307], [2311], [2313], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2552], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 03:12:08,238 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:12:08,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:12:13,011 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:13:10,225 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:13:10,227 INFO L272 AbstractInterpreter]: Visited 158 different actions 929 times. Merged at 7 different actions 36 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 2 different actions. Largest state had 26 variables. [2018-11-07 03:13:10,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:13:10,266 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:13:16,240 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 78.38% of their original sizes. [2018-11-07 03:13:16,240 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:14:19,220 INFO L415 sIntCurrentIteration]: We unified 335 AI predicates to 335 [2018-11-07 03:14:19,221 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:14:19,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:14:19,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [4] total 25 [2018-11-07 03:14:19,222 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:14:19,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 03:14:19,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 03:14:19,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2018-11-07 03:14:19,224 INFO L87 Difference]: Start difference. First operand 20790 states and 31070 transitions. Second operand 23 states. Received shutdown request... [2018-11-07 03:15:03,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 03:15:03,598 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:15:03,603 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:15:03,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:15:03 BoogieIcfgContainer [2018-11-07 03:15:03,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:15:03,604 INFO L168 Benchmark]: Toolchain (without parser) took 225993.99 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 03:15:03,605 INFO L168 Benchmark]: CDTParser took 0.20 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 03:15:03,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2287.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-11-07 03:15:03,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 353.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 784.9 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 54.6 MB. Max. memory is 7.1 GB. [2018-11-07 03:15:03,608 INFO L168 Benchmark]: Boogie Preprocessor took 236.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2018-11-07 03:15:03,609 INFO L168 Benchmark]: RCFGBuilder took 10014.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 658.6 MB). Peak memory consumption was 658.6 MB. Max. memory is 7.1 GB. [2018-11-07 03:15:03,610 INFO L168 Benchmark]: TraceAbstraction took 213096.14 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.6 GB in the beginning and 2.7 GB in the end (delta: -1.1 GB). Peak memory consumption was 806.1 MB. Max. memory is 7.1 GB. [2018-11-07 03:15:03,615 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 2287.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 353.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 784.9 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 54.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 236.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10014.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 658.6 MB). Peak memory consumption was 658.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213096.14 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.6 GB in the beginning and 2.7 GB in the end (delta: -1.1 GB). Peak memory consumption was 806.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (20790states) and FLOYD_HOARE automaton (currently 10 states, 23 states before enhancement),while ReachableStatesComputation was computing reachable states (323 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 213.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 78.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 941 SDtfs, 9554 SDslu, 396 SDs, 0 SdLazy, 14993 SolverSat, 5781 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 362 GetRequests, 251 SyntacticMatches, 73 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 65.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20790occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 62.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9966383467278986 AbsIntWeakeningRatio, 0.08059701492537313 AbsIntAvgWeakeningVarsNumRemoved, 601.7791044776119 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 3 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 599741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 248/362 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown