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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label37_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:23:38,626 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:23:38,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:23:38,643 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:23:38,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:23:38,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:23:38,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:23:38,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:23:38,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:23:38,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:23:38,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:23:38,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:23:38,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:23:38,655 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:23:38,656 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:23:38,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:23:38,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:23:38,660 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:23:38,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:23:38,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:23:38,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:23:38,665 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:23:38,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:23:38,668 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:23:38,668 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:23:38,669 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:23:38,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:23:38,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:23:38,672 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:23:38,673 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:23:38,673 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:23:38,674 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:23:38,674 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:23:38,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:23:38,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:23:38,676 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:23:38,677 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:23:38,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:23:38,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:23:38,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:23:38,694 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:23:38,694 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:23:38,694 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:23:38,695 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:23:38,695 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:23:38,695 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:23:38,695 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:23:38,695 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:23:38,696 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:23:38,696 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:23:38,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:23:38,697 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:23:38,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:23:38,697 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:23:38,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:23:38,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:23:38,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:23:38,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:23:38,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:23:38,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:23:38,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:23:38,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:23:38,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:23:38,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:23:38,699 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:23:38,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:23:38,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:23:38,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:23:38,700 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:23:38,700 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:23:38,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:23:38,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:23:38,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:23:38,768 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:23:38,768 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:23:38,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label37_true-unreach-call.c [2018-09-14 18:23:39,136 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8a26d86/742960bdd7114d3fac39f4f2a7aa25f0/FLAG783535a7b [2018-09-14 18:23:39,788 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:23:39,791 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label37_true-unreach-call.c [2018-09-14 18:23:39,848 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8a26d86/742960bdd7114d3fac39f4f2a7aa25f0/FLAG783535a7b [2018-09-14 18:23:39,869 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8a26d86/742960bdd7114d3fac39f4f2a7aa25f0 [2018-09-14 18:23:39,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:23:39,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:23:39,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:23:39,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:23:39,897 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:23:39,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:23:39" (1/1) ... [2018-09-14 18:23:39,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af9b686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:39, skipping insertion in model container [2018-09-14 18:23:39,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:23:39" (1/1) ... [2018-09-14 18:23:39,915 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:23:42,107 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:23:42,132 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:23:43,317 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:23:43,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43 WrapperNode [2018-09-14 18:23:43,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:23:44,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:23:44,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:23:44,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:23:44,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:44,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:44,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:23:44,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:23:44,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:23:44,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:23:45,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:45,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:45,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:45,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:45,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:45,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:45,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (1/1) ... [2018-09-14 18:23:46,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:23:46,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:23:46,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:23:46,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:23:46,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (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 [2018-09-14 18:23:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:23:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:23:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:23:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:23:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:23:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:23:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:23:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:23:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:23:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:23:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:23:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:23:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:23:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:23:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:23:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:23:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:23:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:24:04,238 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:24:04,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:24:04 BoogieIcfgContainer [2018-09-14 18:24:04,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:24:04,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:24:04,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:24:04,243 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:24:04,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:23:39" (1/3) ... [2018-09-14 18:24:04,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb2a942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:24:04, skipping insertion in model container [2018-09-14 18:24:04,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:43" (2/3) ... [2018-09-14 18:24:04,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb2a942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:24:04, skipping insertion in model container [2018-09-14 18:24:04,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:24:04" (3/3) ... [2018-09-14 18:24:04,247 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label37_true-unreach-call.c [2018-09-14 18:24:04,256 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:24:04,264 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:24:04,342 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:24:04,343 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:24:04,343 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:24:04,344 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:24:04,344 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:24:04,344 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:24:04,344 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:24:04,344 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:24:04,344 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:24:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:24:04,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-14 18:24:04,419 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:04,421 INFO L376 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] [2018-09-14 18:24:04,422 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:04,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1282298446, now seen corresponding path program 1 times [2018-09-14 18:24:04,431 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:04,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:04,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:04,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:04,482 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:04,963 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-09-14 18:24:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:05,005 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:05,005 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 18:24:05,005 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:05,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 18:24:05,047 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 18:24:05,047 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 18:24:05,050 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-09-14 18:24:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:24:34,112 INFO L93 Difference]: Finished difference Result 6513 states and 12383 transitions. [2018-09-14 18:24:34,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 18:24:34,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-09-14 18:24:34,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:24:34,372 INFO L225 Difference]: With dead ends: 6513 [2018-09-14 18:24:34,372 INFO L226 Difference]: Without dead ends: 4729 [2018-09-14 18:24:34,387 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 [2018-09-14 18:24:34,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2018-09-14 18:24:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4693. [2018-09-14 18:24:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-09-14 18:24:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7735 transitions. [2018-09-14 18:24:34,658 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7735 transitions. Word has length 45 [2018-09-14 18:24:34,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:24:34,659 INFO L480 AbstractCegarLoop]: Abstraction has 4693 states and 7735 transitions. [2018-09-14 18:24:34,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 18:24:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7735 transitions. [2018-09-14 18:24:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-14 18:24:34,667 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:34,668 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:24:34,668 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:34,669 INFO L82 PathProgramCache]: Analyzing trace with hash 889446652, now seen corresponding path program 1 times [2018-09-14 18:24:34,669 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:34,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:34,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:34,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:34,670 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:35,037 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:24:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:35,420 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:35,420 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:24:35,420 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:35,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:24:35,423 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:24:35,423 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:24:35,423 INFO L87 Difference]: Start difference. First operand 4693 states and 7735 transitions. Second operand 6 states. [2018-09-14 18:25:07,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:07,330 INFO L93 Difference]: Finished difference Result 17886 states and 30173 transitions. [2018-09-14 18:25:07,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:25:07,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-09-14 18:25:07,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:07,404 INFO L225 Difference]: With dead ends: 17886 [2018-09-14 18:25:07,404 INFO L226 Difference]: Without dead ends: 13199 [2018-09-14 18:25:07,425 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:25:07,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13199 states. [2018-09-14 18:25:07,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13199 to 13130. [2018-09-14 18:25:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13130 states. [2018-09-14 18:25:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13130 states to 13130 states and 19368 transitions. [2018-09-14 18:25:07,743 INFO L78 Accepts]: Start accepts. Automaton has 13130 states and 19368 transitions. Word has length 117 [2018-09-14 18:25:07,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:07,744 INFO L480 AbstractCegarLoop]: Abstraction has 13130 states and 19368 transitions. [2018-09-14 18:25:07,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:25:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 13130 states and 19368 transitions. [2018-09-14 18:25:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-14 18:25:07,753 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:07,753 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:25:07,754 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:07,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1968737342, now seen corresponding path program 1 times [2018-09-14 18:25:07,754 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:07,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:07,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:07,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:07,755 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:25:08,244 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:25:08,245 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:25:08,245 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:08,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:25:08,246 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:25:08,246 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:25:08,246 INFO L87 Difference]: Start difference. First operand 13130 states and 19368 transitions. Second operand 6 states. [2018-09-14 18:25:35,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:35,749 INFO L93 Difference]: Finished difference Result 39923 states and 60279 transitions. [2018-09-14 18:25:35,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-14 18:25:35,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-09-14 18:25:35,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:35,886 INFO L225 Difference]: With dead ends: 39923 [2018-09-14 18:25:35,886 INFO L226 Difference]: Without dead ends: 26799 [2018-09-14 18:25:35,929 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:25:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26799 states. [2018-09-14 18:25:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26799 to 26560. [2018-09-14 18:25:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26560 states. [2018-09-14 18:25:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26560 states to 26560 states and 38690 transitions. [2018-09-14 18:25:36,533 INFO L78 Accepts]: Start accepts. Automaton has 26560 states and 38690 transitions. Word has length 127 [2018-09-14 18:25:36,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:36,534 INFO L480 AbstractCegarLoop]: Abstraction has 26560 states and 38690 transitions. [2018-09-14 18:25:36,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:25:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 26560 states and 38690 transitions. [2018-09-14 18:25:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-14 18:25:36,544 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:36,545 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:25:36,545 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:36,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1600159600, now seen corresponding path program 1 times [2018-09-14 18:25:36,545 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:36,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:36,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:36,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:36,547 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:36,894 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:25:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:25:37,292 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:25:37,293 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:25:37,293 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:37,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:25:37,294 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:25:37,294 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:25:37,294 INFO L87 Difference]: Start difference. First operand 26560 states and 38690 transitions. Second operand 6 states. [2018-09-14 18:25:59,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:59,917 INFO L93 Difference]: Finished difference Result 70632 states and 107328 transitions. [2018-09-14 18:25:59,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:25:59,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-09-14 18:25:59,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:00,067 INFO L225 Difference]: With dead ends: 70632 [2018-09-14 18:26:00,067 INFO L226 Difference]: Without dead ends: 44078 [2018-09-14 18:26:00,143 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:26:00,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44078 states. [2018-09-14 18:26:00,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44078 to 43892. [2018-09-14 18:26:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43892 states. [2018-09-14 18:26:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43892 states to 43892 states and 61187 transitions. [2018-09-14 18:26:01,026 INFO L78 Accepts]: Start accepts. Automaton has 43892 states and 61187 transitions. Word has length 160 [2018-09-14 18:26:01,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:01,026 INFO L480 AbstractCegarLoop]: Abstraction has 43892 states and 61187 transitions. [2018-09-14 18:26:01,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:26:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand 43892 states and 61187 transitions. [2018-09-14 18:26:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-14 18:26:01,031 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:01,032 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 18:26:01,032 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:01,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1164760866, now seen corresponding path program 1 times [2018-09-14 18:26:01,036 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:01,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:01,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:01,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:01,037 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:01,321 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:26:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 76 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:26:01,728 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:01,728 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:26:01,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:01,748 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:01,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-09-14 18:26:02,379 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 76 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:26:02,764 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:26:02,764 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-14 18:26:02,764 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:26:02,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:26:02,765 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:26:02,765 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-14 18:26:02,766 INFO L87 Difference]: Start difference. First operand 43892 states and 61187 transitions. Second operand 5 states. [2018-09-14 18:26:27,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:27,634 INFO L93 Difference]: Finished difference Result 139179 states and 207108 transitions. [2018-09-14 18:26:27,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:26:27,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2018-09-14 18:26:27,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:28,076 INFO L225 Difference]: With dead ends: 139179 [2018-09-14 18:26:28,076 INFO L226 Difference]: Without dead ends: 95293 [2018-09-14 18:26:28,217 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 386 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-14 18:26:28,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95293 states. [2018-09-14 18:26:30,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95293 to 94468. [2018-09-14 18:26:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94468 states. [2018-09-14 18:26:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94468 states to 94468 states and 132548 transitions. [2018-09-14 18:26:30,638 INFO L78 Accepts]: Start accepts. Automaton has 94468 states and 132548 transitions. Word has length 196 [2018-09-14 18:26:30,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:30,639 INFO L480 AbstractCegarLoop]: Abstraction has 94468 states and 132548 transitions. [2018-09-14 18:26:30,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:26:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 94468 states and 132548 transitions. [2018-09-14 18:26:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-09-14 18:26:30,671 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:30,672 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:26:30,672 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:30,672 INFO L82 PathProgramCache]: Analyzing trace with hash -410989415, now seen corresponding path program 1 times [2018-09-14 18:26:30,672 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:30,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:30,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:30,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:30,674 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:31,114 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 114 proven. 162 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-09-14 18:26:31,115 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:31,115 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:26:31,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:31,128 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:31,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-09-14 18:26:31,508 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 114 proven. 162 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-09-14 18:26:31,834 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:26:31,834 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-14 18:26:31,834 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:26:31,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:26:31,835 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:26:31,836 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:26:31,836 INFO L87 Difference]: Start difference. First operand 94468 states and 132548 transitions. Second operand 5 states. [2018-09-14 18:26:54,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:54,143 INFO L93 Difference]: Finished difference Result 281851 states and 415385 transitions. [2018-09-14 18:26:54,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:26:54,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 347 [2018-09-14 18:26:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:54,791 INFO L225 Difference]: With dead ends: 281851 [2018-09-14 18:26:54,791 INFO L226 Difference]: Without dead ends: 187389 [2018-09-14 18:26:54,953 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 692 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-09-14 18:26:55,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187389 states. [2018-09-14 18:26:58,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187389 to 186206. [2018-09-14 18:26:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186206 states. [2018-09-14 18:26:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186206 states to 186206 states and 249666 transitions. [2018-09-14 18:26:58,783 INFO L78 Accepts]: Start accepts. Automaton has 186206 states and 249666 transitions. Word has length 347 [2018-09-14 18:26:58,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:58,783 INFO L480 AbstractCegarLoop]: Abstraction has 186206 states and 249666 transitions. [2018-09-14 18:26:58,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:26:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 186206 states and 249666 transitions. [2018-09-14 18:26:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2018-09-14 18:26:58,814 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:58,814 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:26:58,815 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:58,815 INFO L82 PathProgramCache]: Analyzing trace with hash -281618155, now seen corresponding path program 1 times [2018-09-14 18:26:58,815 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:58,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:58,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:58,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:58,816 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 259 proven. 165 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-09-14 18:26:59,692 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:59,692 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:26:59,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:59,708 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:59,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:27:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 538 proven. 2 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-09-14 18:27:00,452 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:27:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 259 proven. 165 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-09-14 18:27:01,983 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:27:01,983 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:27:01,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:01,999 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:27:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:02,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:27:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 538 proven. 2 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-09-14 18:27:02,641 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:27:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 259 proven. 165 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-09-14 18:27:02,900 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:27:02,901 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-14 18:27:02,901 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:27:02,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:27:02,902 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:27:02,903 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:27:02,903 INFO L87 Difference]: Start difference. First operand 186206 states and 249666 transitions. Second operand 9 states. Received shutdown request... [2018-09-14 18:27:27,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-09-14 18:27:27,896 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:27:27,901 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:27:27,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:27:27 BoogieIcfgContainer [2018-09-14 18:27:27,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:27:27,902 INFO L168 Benchmark]: Toolchain (without parser) took 228020.12 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -254.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-14 18:27:27,904 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:27:27,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4112.60 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 183.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -104.1 MB). Peak memory consumption was 480.1 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:27,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 316.53 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:27,906 INFO L168 Benchmark]: Boogie Preprocessor took 1710.99 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 874.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -884.9 MB). Peak memory consumption was 130.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:27,907 INFO L168 Benchmark]: RCFGBuilder took 18210.70 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 232.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 157.7 MB). Peak memory consumption was 998.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:27,908 INFO L168 Benchmark]: TraceAbstraction took 203661.76 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 665.3 MB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 516.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-14 18:27:27,914 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4112.60 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 183.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -104.1 MB). Peak memory consumption was 480.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 316.53 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1710.99 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 874.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -884.9 MB). Peak memory consumption was 130.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18210.70 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 232.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 157.7 MB). Peak memory consumption was 998.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 203661.76 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 665.3 MB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 516.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 130). Cancelled while BasicCegarLoop was constructing difference of abstraction (186206states) and FLOYD_HOARE automaton (currently 50 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (145618 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 203.5s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 185.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4636 SDtfs, 44365 SDslu, 5871 SDs, 0 SdLazy, 82107 SolverSat, 18123 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 155.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3497 GetRequests, 3391 SyntacticMatches, 8 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 952 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186206occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 8.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 2538 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 3239 NumberOfCodeBlocks, 3239 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4903 ConstructedInterpolants, 0 QuantifiedInterpolants, 4014675 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2733 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 4107/5060 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label37_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-27-27-929.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label37_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-27-27-929.csv Completed graceful shutdown