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/Problem19_label42_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 23:03:57,696 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 23:03:57,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 23:03:57,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 23:03:57,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 23:03:57,717 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 23:03:57,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 23:03:57,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 23:03:57,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 23:03:57,722 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 23:03:57,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 23:03:57,726 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 23:03:57,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 23:03:57,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 23:03:57,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 23:03:57,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 23:03:57,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 23:03:57,738 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 23:03:57,742 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 23:03:57,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 23:03:57,747 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 23:03:57,749 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 23:03:57,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 23:03:57,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 23:03:57,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 23:03:57,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 23:03:57,758 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 23:03:57,758 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 23:03:57,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 23:03:57,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 23:03:57,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 23:03:57,763 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 23:03:57,768 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 [2018-10-23 23:03:57,798 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 23:03:57,798 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 23:03:57,802 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 23:03:57,802 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 23:03:57,802 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 23:03:57,802 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 23:03:57,802 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 23:03:57,803 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 23:03:57,803 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 23:03:57,803 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 23:03:57,803 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 23:03:57,803 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 23:03:57,805 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 23:03:57,805 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 23:03:57,805 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 23:03:57,805 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 23:03:57,805 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 23:03:57,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 23:03:57,806 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 23:03:57,806 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 23:03:57,806 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 23:03:57,806 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 23:03:57,806 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 23:03:57,807 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 23:03:57,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 23:03:57,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 23:03:57,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 23:03:57,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 23:03:57,809 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 23:03:57,810 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 23:03:57,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 23:03:57,810 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 23:03:57,810 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 23:03:57,810 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 23:03:57,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 23:03:57,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 23:03:57,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 23:03:57,910 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 23:03:57,910 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 23:03:57,911 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label42_false-unreach-call.c [2018-10-23 23:03:57,984 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7f641ed25/e4fc30592d9e4a15814a680996278fdf/FLAG6b00ce260 [2018-10-23 23:03:58,894 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 23:03:58,895 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label42_false-unreach-call.c [2018-10-23 23:03:58,944 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7f641ed25/e4fc30592d9e4a15814a680996278fdf/FLAG6b00ce260 [2018-10-23 23:03:58,959 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7f641ed25/e4fc30592d9e4a15814a680996278fdf [2018-10-23 23:03:58,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 23:03:58,973 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 23:03:58,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 23:03:58,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 23:03:58,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 23:03:58,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:03:58" (1/1) ... [2018-10-23 23:03:58,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab4c919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:03:58, skipping insertion in model container [2018-10-23 23:03:58,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:03:58" (1/1) ... [2018-10-23 23:03:58,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 23:03:59,222 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 23:04:01,229 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:04:01,235 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 23:04:02,373 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:04:02,434 INFO L193 MainTranslator]: Completed translation [2018-10-23 23:04:02,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02 WrapperNode [2018-10-23 23:04:02,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 23:04:02,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 23:04:02,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 23:04:02,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 23:04:02,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:02,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 23:04:03,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 23:04:03,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 23:04:03,263 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 23:04:03,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (1/1) ... [2018-10-23 23:04:03,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 23:04:03,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 23:04:03,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 23:04:03,707 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 23:04:03,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (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 [2018-10-23 23:04:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 23:04:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 23:04:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-23 23:04:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-23 23:04:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-23 23:04:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-23 23:04:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-23 23:04:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-23 23:04:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-23 23:04:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-23 23:04:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-23 23:04:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-23 23:04:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 23:04:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 23:04:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 23:04:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 23:04:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 23:04:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 23:04:21,305 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 23:04:21,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:04:21 BoogieIcfgContainer [2018-10-23 23:04:21,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 23:04:21,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 23:04:21,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 23:04:21,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 23:04:21,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:03:58" (1/3) ... [2018-10-23 23:04:21,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c931368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:04:21, skipping insertion in model container [2018-10-23 23:04:21,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:04:02" (2/3) ... [2018-10-23 23:04:21,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c931368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:04:21, skipping insertion in model container [2018-10-23 23:04:21,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:04:21" (3/3) ... [2018-10-23 23:04:21,315 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label42_false-unreach-call.c [2018-10-23 23:04:21,325 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 23:04:21,339 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 23:04:21,358 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 23:04:21,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 23:04:21,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 23:04:21,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 23:04:21,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 23:04:21,414 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 23:04:21,414 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 23:04:21,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 23:04:21,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 23:04:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-23 23:04:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-23 23:04:21,485 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:04:21,486 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:04:21,488 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:04:21,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:04:21,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1914472460, now seen corresponding path program 1 times [2018-10-23 23:04:21,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:04:21,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:04:21,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:04:21,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:04:21,549 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:04:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:04:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:04:21,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:04:21,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 23:04:21,954 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:04:21,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 23:04:21,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 23:04:21,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:04:21,986 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-23 23:04:38,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:04:38,950 INFO L93 Difference]: Finished difference Result 5034 states and 9499 transitions. [2018-10-23 23:04:38,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 23:04:38,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-10-23 23:04:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:04:39,017 INFO L225 Difference]: With dead ends: 5034 [2018-10-23 23:04:39,017 INFO L226 Difference]: Without dead ends: 3254 [2018-10-23 23:04:39,034 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:04:39,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2018-10-23 23:04:39,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3207. [2018-10-23 23:04:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-10-23 23:04:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 5994 transitions. [2018-10-23 23:04:39,279 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 5994 transitions. Word has length 16 [2018-10-23 23:04:39,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:04:39,280 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 5994 transitions. [2018-10-23 23:04:39,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 23:04:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 5994 transitions. [2018-10-23 23:04:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-23 23:04:39,288 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:04:39,289 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 23:04:39,289 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:04:39,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:04:39,290 INFO L82 PathProgramCache]: Analyzing trace with hash 677040305, now seen corresponding path program 1 times [2018-10-23 23:04:39,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:04:39,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:04:39,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:04:39,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:04:39,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:04:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:04:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:04:39,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:04:39,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 23:04:39,912 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:04:39,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 23:04:39,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 23:04:39,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 23:04:39,915 INFO L87 Difference]: Start difference. First operand 3207 states and 5994 transitions. Second operand 6 states. [2018-10-23 23:05:13,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:05:13,777 INFO L93 Difference]: Finished difference Result 9590 states and 17980 transitions. [2018-10-23 23:05:13,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 23:05:13,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-10-23 23:05:13,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:05:13,824 INFO L225 Difference]: With dead ends: 9590 [2018-10-23 23:05:13,824 INFO L226 Difference]: Without dead ends: 6389 [2018-10-23 23:05:13,835 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-23 23:05:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6389 states. [2018-10-23 23:05:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6389 to 6281. [2018-10-23 23:05:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6281 states. [2018-10-23 23:05:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 11310 transitions. [2018-10-23 23:05:14,058 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 11310 transitions. Word has length 89 [2018-10-23 23:05:14,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:05:14,059 INFO L481 AbstractCegarLoop]: Abstraction has 6281 states and 11310 transitions. [2018-10-23 23:05:14,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 23:05:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 11310 transitions. [2018-10-23 23:05:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-23 23:05:14,063 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:05:14,063 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 23:05:14,064 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:05:14,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:05:14,064 INFO L82 PathProgramCache]: Analyzing trace with hash -144625170, now seen corresponding path program 1 times [2018-10-23 23:05:14,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:05:14,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:05:14,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:05:14,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:05:14,066 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:05:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:05:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:05:14,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:05:14,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 23:05:14,293 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:05:14,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 23:05:14,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 23:05:14,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-23 23:05:14,295 INFO L87 Difference]: Start difference. First operand 6281 states and 11310 transitions. Second operand 5 states. [2018-10-23 23:05:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:05:51,091 INFO L93 Difference]: Finished difference Result 18970 states and 34382 transitions. [2018-10-23 23:05:51,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 23:05:51,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2018-10-23 23:05:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:05:51,162 INFO L225 Difference]: With dead ends: 18970 [2018-10-23 23:05:51,162 INFO L226 Difference]: Without dead ends: 12695 [2018-10-23 23:05:51,179 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 [2018-10-23 23:05:51,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12695 states. [2018-10-23 23:05:51,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12695 to 12419. [2018-10-23 23:05:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12419 states. [2018-10-23 23:05:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12419 states to 12419 states and 18937 transitions. [2018-10-23 23:05:51,504 INFO L78 Accepts]: Start accepts. Automaton has 12419 states and 18937 transitions. Word has length 103 [2018-10-23 23:05:51,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:05:51,505 INFO L481 AbstractCegarLoop]: Abstraction has 12419 states and 18937 transitions. [2018-10-23 23:05:51,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 23:05:51,505 INFO L276 IsEmpty]: Start isEmpty. Operand 12419 states and 18937 transitions. [2018-10-23 23:05:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-23 23:05:51,510 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:05:51,511 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:05:51,511 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:05:51,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:05:51,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1904079047, now seen corresponding path program 1 times [2018-10-23 23:05:51,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:05:51,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:05:51,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:05:51,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:05:51,513 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:05:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:05:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-23 23:05:52,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:05:52,049 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 23:05:52,050 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-10-23 23:05:52,052 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5254], [5256], [5259], [5267], [5275], [5283], [5291], [5299], [5307], [5315], [5323], [5331], [5339], [5347], [5355], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5822], [5823], [5827], [5838], [5841], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-23 23:05:52,123 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 23:05:52,123 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 23:05:54,832 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 23:05:54,833 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-23 23:05:54,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:05:54,843 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 23:05:56,848 INFO L232 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 74.99% of their original sizes. [2018-10-23 23:05:56,848 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 23:05:57,220 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 23:05:57,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 23:05:57,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-23 23:05:57,222 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:05:57,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 23:05:57,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 23:05:57,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-23 23:05:57,225 INFO L87 Difference]: Start difference. First operand 12419 states and 18937 transitions. Second operand 7 states. [2018-10-23 23:06:00,048 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-23 23:07:41,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 23:07:41,278 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:07:41,284 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:07:41,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:07:41 BoogieIcfgContainer [2018-10-23 23:07:41,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:07:41,285 INFO L168 Benchmark]: Toolchain (without parser) took 222313.25 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -983.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-23 23:07:41,287 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. [2018-10-23 23:07:41,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3462.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 395.4 MB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. [2018-10-23 23:07:41,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 825.50 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 852.0 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2018-10-23 23:07:41,289 INFO L168 Benchmark]: Boogie Preprocessor took 443.75 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2018-10-23 23:07:41,290 INFO L168 Benchmark]: RCFGBuilder took 17599.75 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 199.2 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 456.0 MB). Peak memory consumption was 681.3 MB. Max. memory is 7.1 GB. [2018-10-23 23:07:41,291 INFO L168 Benchmark]: TraceAbstraction took 199977.16 ms. Allocated memory was 2.6 GB in the beginning and 4.0 GB in the end (delta: 1.5 GB). Free memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: -637.4 MB). Peak memory consumption was 821.2 MB. Max. memory is 7.1 GB. [2018-10-23 23:07:41,297 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 3462.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 395.4 MB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 825.50 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 852.0 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 443.75 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17599.75 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 199.2 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 456.0 MB). Peak memory consumption was 681.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 199977.16 ms. Allocated memory was 2.6 GB in the beginning and 4.0 GB in the end (delta: 1.5 GB). Free memory was 1.7 GB in the beginning and 2.4 GB in the end (delta: -637.4 MB). Peak memory consumption was 821.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 43). Cancelled while BasicCegarLoop was constructing difference of abstraction (12419states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (12099 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 199.8s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 191.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2470 SDtfs, 17296 SDslu, 2328 SDs, 0 SdLazy, 23923 SolverSat, 5772 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 144.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 218 GetRequests, 196 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12419occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9949519230769229 AbsIntWeakeningRatio, 0.140625 AbsIntAvgWeakeningVarsNumRemoved, 1034.1927083333333 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 431 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 401 NumberOfCodeBlocks, 401 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 397 ConstructedInterpolants, 0 QuantifiedInterpolants, 256454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 41/123 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown