java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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/Problem13_label24_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:46:27,722 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:46:27,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:46:27,746 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:46:27,747 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:46:27,748 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:46:27,749 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:46:27,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:46:27,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:46:27,754 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:46:27,755 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:46:27,755 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:46:27,756 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:46:27,757 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:46:27,758 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:46:27,759 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:46:27,760 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:46:27,762 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:46:27,764 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:46:27,765 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:46:27,766 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:46:27,767 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:46:27,770 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:46:27,770 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:46:27,770 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:46:27,771 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:46:27,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:46:27,773 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:46:27,774 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:46:27,775 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:46:27,775 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:46:27,776 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:46:27,776 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:46:27,776 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:46:27,777 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:46:27,778 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:46:27,778 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-26 23:46:27,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:46:27,805 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:46:27,805 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:46:27,806 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:46:27,806 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:46:27,806 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:46:27,806 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:46:27,806 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:46:27,807 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 23:46:27,807 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:46:27,808 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:46:27,808 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:46:27,808 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:46:27,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:46:27,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:46:27,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:46:27,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:46:27,809 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:46:27,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:46:27,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:46:27,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:46:27,810 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:46:27,810 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:46:27,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:46:27,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:46:27,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:46:27,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:46:27,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:46:27,812 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:46:27,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:46:27,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:46:27,812 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:46:27,812 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 23:46:27,812 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-26 23:46:27,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:46:27,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:46:27,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:46:27,874 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:46:27,874 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:46:27,875 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label24_false-unreach-call.c [2018-10-26 23:46:27,935 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d9645f112/68f7fa6f179248d4808260820582801e/FLAG9a0759858 [2018-10-26 23:46:28,843 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:46:28,844 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label24_false-unreach-call.c [2018-10-26 23:46:28,899 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d9645f112/68f7fa6f179248d4808260820582801e/FLAG9a0759858 [2018-10-26 23:46:28,918 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d9645f112/68f7fa6f179248d4808260820582801e [2018-10-26 23:46:28,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:46:28,934 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:46:28,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:46:28,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:46:28,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:46:28,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:46:28" (1/1) ... [2018-10-26 23:46:28,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493744a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:28, skipping insertion in model container [2018-10-26 23:46:28,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:46:28" (1/1) ... [2018-10-26 23:46:28,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:46:29,135 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:46:30,690 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:46:30,695 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:46:31,462 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:46:31,499 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:46:31,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31 WrapperNode [2018-10-26 23:46:31,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:46:31,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:46:31,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:46:31,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:46:31,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:31,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:46:32,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:46:32,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:46:32,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:46:32,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... [2018-10-26 23:46:32,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:46:32,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:46:32,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:46:32,399 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:46:32,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-26 23:46:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:46:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:46:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-26 23:46:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-26 23:46:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-26 23:46:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-26 23:46:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-26 23:46:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-26 23:46:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 23:46:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 23:46:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:46:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:46:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:46:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:46:43,218 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:46:43,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:46:43 BoogieIcfgContainer [2018-10-26 23:46:43,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:46:43,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:46:43,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:46:43,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:46:43,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:46:28" (1/3) ... [2018-10-26 23:46:43,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a51ea91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:46:43, skipping insertion in model container [2018-10-26 23:46:43,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:46:31" (2/3) ... [2018-10-26 23:46:43,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a51ea91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:46:43, skipping insertion in model container [2018-10-26 23:46:43,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:46:43" (3/3) ... [2018-10-26 23:46:43,227 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label24_false-unreach-call.c [2018-10-26 23:46:43,237 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:46:43,250 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:46:43,269 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:46:43,329 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:46:43,329 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:46:43,329 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:46:43,329 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:46:43,330 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:46:43,330 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:46:43,330 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:46:43,330 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:46:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-26 23:46:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 23:46:43,403 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:46:43,404 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] [2018-10-26 23:46:43,406 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:46:43,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:46:43,413 INFO L82 PathProgramCache]: Analyzing trace with hash -173881988, now seen corresponding path program 1 times [2018-10-26 23:46:43,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:46:43,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:43,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:46:43,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:43,473 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:46:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:46:43,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:46:43,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:46:43,870 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:46:43,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:46:43,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:46:43,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:46:43,896 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-26 23:46:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:46:54,584 INFO L93 Difference]: Finished difference Result 3101 states and 5730 transitions. [2018-10-26 23:46:54,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:46:54,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-26 23:46:54,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:46:54,624 INFO L225 Difference]: With dead ends: 3101 [2018-10-26 23:46:54,624 INFO L226 Difference]: Without dead ends: 1979 [2018-10-26 23:46:54,637 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:46:54,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-10-26 23:46:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1959. [2018-10-26 23:46:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-10-26 23:46:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3535 transitions. [2018-10-26 23:46:54,800 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3535 transitions. Word has length 36 [2018-10-26 23:46:54,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:46:54,800 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 3535 transitions. [2018-10-26 23:46:54,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:46:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3535 transitions. [2018-10-26 23:46:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 23:46:54,815 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:46:54,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:46:54,816 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:46:54,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:46:54,817 INFO L82 PathProgramCache]: Analyzing trace with hash 741892396, now seen corresponding path program 1 times [2018-10-26 23:46:54,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:46:54,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:54,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:46:54,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:46:54,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:46:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:46:55,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:46:55,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:46:55,132 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:46:55,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:46:55,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:46:55,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:46:55,135 INFO L87 Difference]: Start difference. First operand 1959 states and 3535 transitions. Second operand 5 states. [2018-10-26 23:47:14,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:14,582 INFO L93 Difference]: Finished difference Result 5716 states and 10466 transitions. [2018-10-26 23:47:14,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:47:14,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2018-10-26 23:47:14,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:14,612 INFO L225 Difference]: With dead ends: 5716 [2018-10-26 23:47:14,613 INFO L226 Difference]: Without dead ends: 3763 [2018-10-26 23:47:14,621 INFO L605 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 [2018-10-26 23:47:14,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2018-10-26 23:47:14,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3680. [2018-10-26 23:47:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3680 states. [2018-10-26 23:47:14,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 6043 transitions. [2018-10-26 23:47:14,739 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 6043 transitions. Word has length 112 [2018-10-26 23:47:14,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:14,740 INFO L481 AbstractCegarLoop]: Abstraction has 3680 states and 6043 transitions. [2018-10-26 23:47:14,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:47:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 6043 transitions. [2018-10-26 23:47:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 23:47:14,744 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:14,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:47:14,745 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:14,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:14,745 INFO L82 PathProgramCache]: Analyzing trace with hash 2056001431, now seen corresponding path program 1 times [2018-10-26 23:47:14,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:47:14,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:47:14,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:47:14,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:47:14,747 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:47:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:14,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:47:14,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:47:14,998 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:47:14,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:47:14,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:47:14,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:47:15,000 INFO L87 Difference]: Start difference. First operand 3680 states and 6043 transitions. Second operand 6 states. [2018-10-26 23:47:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:47:24,310 INFO L93 Difference]: Finished difference Result 10859 states and 18394 transitions. [2018-10-26 23:47:24,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:47:24,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-26 23:47:24,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:47:24,368 INFO L225 Difference]: With dead ends: 10859 [2018-10-26 23:47:24,368 INFO L226 Difference]: Without dead ends: 7185 [2018-10-26 23:47:24,388 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:47:24,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7185 states. [2018-10-26 23:47:24,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7185 to 7134. [2018-10-26 23:47:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2018-10-26 23:47:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 10915 transitions. [2018-10-26 23:47:24,630 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 10915 transitions. Word has length 113 [2018-10-26 23:47:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:47:24,631 INFO L481 AbstractCegarLoop]: Abstraction has 7134 states and 10915 transitions. [2018-10-26 23:47:24,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:47:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 10915 transitions. [2018-10-26 23:47:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 23:47:24,640 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:47:24,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:47:24,641 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:47:24,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:47:24,641 INFO L82 PathProgramCache]: Analyzing trace with hash 449482320, now seen corresponding path program 1 times [2018-10-26 23:47:24,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:47:24,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:47:24,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:47:24,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:47:24,643 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:47:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:25,098 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-26 23:47:25,124 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:47:25,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:47:25,125 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:47:25,126 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-10-26 23:47:25,130 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2815], [2817], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-26 23:47:25,241 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:47:25,241 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:48:01,262 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:48:01,264 INFO L272 AbstractInterpreter]: Visited 108 different actions 720 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-26 23:48:01,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:48:01,280 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:48:04,011 INFO L227 lantSequenceWeakener]: Weakened 27 states. On average, predicates are now at 75.57% of their original sizes. [2018-10-26 23:48:04,011 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:48:09,974 INFO L415 sIntCurrentIteration]: We unified 136 AI predicates to 136 [2018-10-26 23:48:09,975 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:48:09,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:48:09,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2018-10-26 23:48:09,976 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:48:09,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-26 23:48:09,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-26 23:48:09,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-10-26 23:48:09,978 INFO L87 Difference]: Start difference. First operand 7134 states and 10915 transitions. Second operand 14 states. [2018-10-26 23:48:38,211 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-26 23:50:19,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 23:50:19,367 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 23:50:19,373 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 23:50:19,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:50:19 BoogieIcfgContainer [2018-10-26 23:50:19,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:50:19,374 INFO L168 Benchmark]: Toolchain (without parser) took 230440.94 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 606.2 MB. Max. memory is 7.1 GB. [2018-10-26 23:50:19,375 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-26 23:50:19,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2564.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-26 23:50:19,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 583.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 812.6 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2018-10-26 23:50:19,378 INFO L168 Benchmark]: Boogie Preprocessor took 314.31 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2018-10-26 23:50:19,378 INFO L168 Benchmark]: RCFGBuilder took 10820.27 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 187.2 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 31.9 MB). Peak memory consumption was 659.6 MB. Max. memory is 7.1 GB. [2018-10-26 23:50:19,379 INFO L168 Benchmark]: TraceAbstraction took 216153.06 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 376.1 MB. Max. memory is 7.1 GB. [2018-10-26 23:50:19,385 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 2564.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 583.40 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 812.6 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 314.31 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10820.27 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 187.2 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 31.9 MB). Peak memory consumption was 659.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 216153.06 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 376.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 99). Cancelled while BasicCegarLoop was constructing difference of abstraction (7134states) and FLOYD_HOARE automaton (currently 15 states, 14 states before enhancement),while ReachableStatesComputation was computing reachable states (1491 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 216.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 169.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1464 SDtfs, 9323 SDslu, 1382 SDs, 0 SdLazy, 13645 SolverSat, 4100 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 97.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 166 GetRequests, 132 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7134occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 36.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9934502262443438 AbsIntWeakeningRatio, 0.15441176470588236 AbsIntAvgWeakeningVarsNumRemoved, 40.81617647058823 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 154 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 123653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 62/87 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown