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/Problem19_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 04:13:39,452 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 04:13:39,454 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 04:13:39,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 04:13:39,467 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 04:13:39,468 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 04:13:39,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 04:13:39,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 04:13:39,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 04:13:39,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 04:13:39,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 04:13:39,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 04:13:39,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 04:13:39,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 04:13:39,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 04:13:39,479 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 04:13:39,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 04:13:39,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 04:13:39,484 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 04:13:39,486 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 04:13:39,487 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 04:13:39,488 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 04:13:39,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 04:13:39,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 04:13:39,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 04:13:39,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 04:13:39,496 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 04:13:39,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 04:13:39,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 04:13:39,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 04:13:39,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 04:13:39,506 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 04:13:39,506 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 04:13:39,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 04:13:39,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 04:13:39,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 04:13:39,509 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 04:13:39,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 04:13:39,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 04:13:39,543 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 04:13:39,544 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 04:13:39,544 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 04:13:39,544 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 04:13:39,544 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 04:13:39,545 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 04:13:39,545 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 04:13:39,545 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 04:13:39,545 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 04:13:39,545 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 04:13:39,547 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 04:13:39,547 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 04:13:39,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 04:13:39,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 04:13:39,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 04:13:39,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 04:13:39,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 04:13:39,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 04:13:39,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 04:13:39,551 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 04:13:39,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 04:13:39,551 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 04:13:39,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 04:13:39,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 04:13:39,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 04:13:39,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 04:13:39,552 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 04:13:39,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 04:13:39,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 04:13:39,553 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 04:13:39,553 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 04:13:39,553 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 04:13:39,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 04:13:39,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 04:13:39,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 04:13:39,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 04:13:39,641 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 04:13:39,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-11-07 04:13:39,705 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6dc0d42/44b13a62e3b448dd8c6fba1b3d28eb05/FLAG8b1f6596b [2018-11-07 04:13:40,604 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 04:13:40,604 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-11-07 04:13:40,657 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6dc0d42/44b13a62e3b448dd8c6fba1b3d28eb05/FLAG8b1f6596b [2018-11-07 04:13:40,679 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6dc0d42/44b13a62e3b448dd8c6fba1b3d28eb05 [2018-11-07 04:13:40,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 04:13:40,695 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 04:13:40,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 04:13:40,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 04:13:40,703 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 04:13:40,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:13:40" (1/1) ... [2018-11-07 04:13:40,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9fc3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:40, skipping insertion in model container [2018-11-07 04:13:40,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:13:40" (1/1) ... [2018-11-07 04:13:40,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 04:13:41,003 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 04:13:43,089 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:13:43,094 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 04:13:44,257 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:13:44,315 INFO L193 MainTranslator]: Completed translation [2018-11-07 04:13:44,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44 WrapperNode [2018-11-07 04:13:44,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 04:13:44,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 04:13:44,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 04:13:44,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 04:13:44,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:44,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:44,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 04:13:44,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 04:13:44,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 04:13:44,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 04:13:44,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:44,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:44,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:44,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:45,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:45,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:45,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (1/1) ... [2018-11-07 04:13:45,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 04:13:45,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 04:13:45,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 04:13:45,190 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 04:13:45,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (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 04:13:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 04:13:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 04:13:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 04:13:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 04:13:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 04:13:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 04:13:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 04:13:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 04:13:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 04:13:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 04:13:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 04:13:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 04:13:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 04:13:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 04:13:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 04:13:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 04:13:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 04:13:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 04:13:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 04:14:00,245 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 04:14:00,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:14:00 BoogieIcfgContainer [2018-11-07 04:14:00,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 04:14:00,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 04:14:00,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 04:14:00,251 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 04:14:00,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:13:40" (1/3) ... [2018-11-07 04:14:00,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7591656a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:14:00, skipping insertion in model container [2018-11-07 04:14:00,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:13:44" (2/3) ... [2018-11-07 04:14:00,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7591656a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:14:00, skipping insertion in model container [2018-11-07 04:14:00,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:14:00" (3/3) ... [2018-11-07 04:14:00,255 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label12_true-unreach-call.c [2018-11-07 04:14:00,265 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 04:14:00,279 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 04:14:00,296 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 04:14:00,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 04:14:00,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 04:14:00,348 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 04:14:00,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 04:14:00,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 04:14:00,349 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 04:14:00,349 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 04:14:00,349 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 04:14:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-07 04:14:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-07 04:14:00,415 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:14:00,416 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] [2018-11-07 04:14:00,419 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:14:00,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:14:00,425 INFO L82 PathProgramCache]: Analyzing trace with hash -21535606, now seen corresponding path program 1 times [2018-11-07 04:14:00,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:14:00,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:00,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:14:00,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:00,482 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:14:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:14:00,939 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 04:14:01,086 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 04:14:01,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:14:01,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 04:14:01,093 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:14:01,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 04:14:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 04:14:01,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 04:14:01,124 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-07 04:14:14,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:14:14,876 INFO L93 Difference]: Finished difference Result 5034 states and 9499 transitions. [2018-11-07 04:14:14,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 04:14:14,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-11-07 04:14:14,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:14:14,927 INFO L225 Difference]: With dead ends: 5034 [2018-11-07 04:14:14,928 INFO L226 Difference]: Without dead ends: 3254 [2018-11-07 04:14:14,939 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 04:14:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2018-11-07 04:14:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3207. [2018-11-07 04:14:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-11-07 04:14:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 5994 transitions. [2018-11-07 04:14:15,183 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 5994 transitions. Word has length 51 [2018-11-07 04:14:15,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:14:15,184 INFO L480 AbstractCegarLoop]: Abstraction has 3207 states and 5994 transitions. [2018-11-07 04:14:15,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 04:14:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 5994 transitions. [2018-11-07 04:14:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-07 04:14:15,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:14:15,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:15,200 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:14:15,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:14:15,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1031778886, now seen corresponding path program 1 times [2018-11-07 04:14:15,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:14:15,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:15,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:14:15,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:15,207 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:14:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:14:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:14:15,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:14:15,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 04:14:15,854 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:14:15,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 04:14:15,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 04:14:15,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 04:14:15,859 INFO L87 Difference]: Start difference. First operand 3207 states and 5994 transitions. Second operand 6 states. [2018-11-07 04:14:36,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:14:36,203 INFO L93 Difference]: Finished difference Result 9598 states and 17997 transitions. [2018-11-07 04:14:36,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 04:14:36,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-11-07 04:14:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:14:36,252 INFO L225 Difference]: With dead ends: 9598 [2018-11-07 04:14:36,252 INFO L226 Difference]: Without dead ends: 6397 [2018-11-07 04:14:36,263 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 04:14:36,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6397 states. [2018-11-07 04:14:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6397 to 6261. [2018-11-07 04:14:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6261 states. [2018-11-07 04:14:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 11290 transitions. [2018-11-07 04:14:36,483 INFO L78 Accepts]: Start accepts. Automaton has 6261 states and 11290 transitions. Word has length 124 [2018-11-07 04:14:36,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:14:36,483 INFO L480 AbstractCegarLoop]: Abstraction has 6261 states and 11290 transitions. [2018-11-07 04:14:36,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 04:14:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6261 states and 11290 transitions. [2018-11-07 04:14:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 04:14:36,487 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:14:36,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:36,488 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:14:36,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:14:36,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1387877847, now seen corresponding path program 1 times [2018-11-07 04:14:36,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:14:36,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:36,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:14:36,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:36,490 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:14:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:14:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:14:36,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:14:36,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 04:14:36,732 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:14:36,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 04:14:36,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 04:14:36,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 04:14:36,734 INFO L87 Difference]: Start difference. First operand 6261 states and 11290 transitions. Second operand 5 states. [2018-11-07 04:14:53,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:14:53,738 INFO L93 Difference]: Finished difference Result 18898 states and 34251 transitions. [2018-11-07 04:14:53,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 04:14:53,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-11-07 04:14:53,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:14:53,804 INFO L225 Difference]: With dead ends: 18898 [2018-11-07 04:14:53,805 INFO L226 Difference]: Without dead ends: 12643 [2018-11-07 04:14:53,826 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 04:14:53,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12643 states. [2018-11-07 04:14:54,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12643 to 12378. [2018-11-07 04:14:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12378 states. [2018-11-07 04:14:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12378 states to 12378 states and 18858 transitions. [2018-11-07 04:14:54,174 INFO L78 Accepts]: Start accepts. Automaton has 12378 states and 18858 transitions. Word has length 138 [2018-11-07 04:14:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:14:54,175 INFO L480 AbstractCegarLoop]: Abstraction has 12378 states and 18858 transitions. [2018-11-07 04:14:54,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 04:14:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 12378 states and 18858 transitions. [2018-11-07 04:14:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-07 04:14:54,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:14:54,185 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 04:14:54,185 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:14:54,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:14:54,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1906021503, now seen corresponding path program 1 times [2018-11-07 04:14:54,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:14:54,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:54,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:14:54,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:14:54,187 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:14:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:14:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 88 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 04:14:54,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:14:54,566 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:14:54,567 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-11-07 04:14:54,569 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5822], [5823], [5827], [5838], [5841], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-07 04:14:54,637 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:14:54,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:14:56,915 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 04:14:56,916 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 04:14:56,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:14:56,926 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 04:14:59,355 INFO L227 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 75.66% of their original sizes. [2018-11-07 04:14:59,355 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 04:14:59,870 INFO L415 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-11-07 04:14:59,871 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 04:14:59,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 04:14:59,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 04:14:59,872 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:14:59,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 04:14:59,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 04:14:59,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 04:14:59,874 INFO L87 Difference]: Start difference. First operand 12378 states and 18858 transitions. Second operand 7 states. [2018-11-07 04:15:03,071 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 04:17:13,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:17:13,233 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 04:17:13,238 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 04:17:13,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:17:13 BoogieIcfgContainer [2018-11-07 04:17:13,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 04:17:13,239 INFO L168 Benchmark]: Toolchain (without parser) took 212545.25 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -10.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-11-07 04:17:13,241 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 04:17:13,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3618.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. [2018-11-07 04:17:13,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 504.84 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 856.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2018-11-07 04:17:13,243 INFO L168 Benchmark]: Boogie Preprocessor took 367.50 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2018-11-07 04:17:13,244 INFO L168 Benchmark]: RCFGBuilder took 15057.21 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 142.6 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 533.1 MB). Peak memory consumption was 675.7 MB. Max. memory is 7.1 GB. [2018-11-07 04:17:13,245 INFO L168 Benchmark]: TraceAbstraction took 192991.01 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: 302.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 04:17:13,250 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3618.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 504.84 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 856.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 367.50 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15057.21 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 142.6 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 533.1 MB). Peak memory consumption was 675.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 192991.01 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 1.4 GB in the end (delta: 302.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 148). Cancelled while BasicCegarLoop was constructing difference of abstraction (12378states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (9315 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 192.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 184.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2318 SDtfs, 17021 SDslu, 2538 SDs, 0 SdLazy, 25062 SolverSat, 5518 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 132.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 254 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12378occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9957302609284987 AbsIntWeakeningRatio, 0.11894273127753303 AbsIntAvgWeakeningVarsNumRemoved, 1047.5770925110132 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 448 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 537 ConstructedInterpolants, 0 QuantifiedInterpolants, 346089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 181/263 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown