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/Problem03_label39_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 17:19:33,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 17:19:33,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 17:19:33,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 17:19:33,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 17:19:33,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 17:19:33,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 17:19:33,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 17:19:33,650 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 17:19:33,651 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 17:19:33,655 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 17:19:33,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 17:19:33,656 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 17:19:33,657 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 17:19:33,658 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 17:19:33,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 17:19:33,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 17:19:33,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 17:19:33,664 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 17:19:33,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 17:19:33,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 17:19:33,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 17:19:33,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 17:19:33,676 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 17:19:33,676 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 17:19:33,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 17:19:33,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 17:19:33,678 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 [2018-10-24 17:19:33,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 17:19:33,697 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 17:19:33,698 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 17:19:33,698 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 17:19:33,698 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 17:19:33,699 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 17:19:33,699 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 17:19:33,699 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 17:19:33,699 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 17:19:33,699 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 17:19:33,700 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 17:19:33,700 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 17:19:33,701 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 17:19:33,701 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 17:19:33,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 17:19:33,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 17:19:33,702 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 17:19:33,702 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 17:19:33,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 17:19:33,702 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 17:19:33,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 17:19:33,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 17:19:33,703 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 17:19:33,703 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 17:19:33,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 17:19:33,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 17:19:33,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 17:19:33,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 17:19:33,704 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 17:19:33,704 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 17:19:33,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 17:19:33,705 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 17:19:33,705 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 17:19:33,705 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 17:19:33,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 17:19:33,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 17:19:33,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 17:19:33,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 17:19:33,794 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 17:19:33,796 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label39_false-unreach-call.c [2018-10-24 17:19:33,868 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1869779a3/9990a87910d44028a5a7d9100dfc1d1f/FLAG3906eac45 [2018-10-24 17:19:34,562 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 17:19:34,564 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label39_false-unreach-call.c [2018-10-24 17:19:34,586 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1869779a3/9990a87910d44028a5a7d9100dfc1d1f/FLAG3906eac45 [2018-10-24 17:19:34,605 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1869779a3/9990a87910d44028a5a7d9100dfc1d1f [2018-10-24 17:19:34,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 17:19:34,619 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 17:19:34,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 17:19:34,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 17:19:34,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 17:19:34,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:19:34" (1/1) ... [2018-10-24 17:19:34,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@decac2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:34, skipping insertion in model container [2018-10-24 17:19:34,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:19:34" (1/1) ... [2018-10-24 17:19:34,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 17:19:34,736 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 17:19:35,455 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:19:35,460 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 17:19:35,758 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:19:35,780 INFO L193 MainTranslator]: Completed translation [2018-10-24 17:19:35,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35 WrapperNode [2018-10-24 17:19:35,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 17:19:35,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 17:19:35,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 17:19:35,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 17:19:35,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:35,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 17:19:36,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 17:19:36,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 17:19:36,114 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 17:19:36,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (1/1) ... [2018-10-24 17:19:36,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 17:19:36,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 17:19:36,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 17:19:36,262 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 17:19:36,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (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 [2018-10-24 17:19:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 17:19:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 17:19:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 17:19:36,336 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 17:19:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 17:19:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 17:19:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 17:19:36,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 17:19:42,482 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 17:19:42,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:19:42 BoogieIcfgContainer [2018-10-24 17:19:42,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 17:19:42,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 17:19:42,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 17:19:42,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 17:19:42,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:19:34" (1/3) ... [2018-10-24 17:19:42,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef68794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:19:42, skipping insertion in model container [2018-10-24 17:19:42,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:19:35" (2/3) ... [2018-10-24 17:19:42,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef68794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:19:42, skipping insertion in model container [2018-10-24 17:19:42,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:19:42" (3/3) ... [2018-10-24 17:19:42,494 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label39_false-unreach-call.c [2018-10-24 17:19:42,506 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 17:19:42,516 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 17:19:42,535 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 17:19:42,576 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 17:19:42,576 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 17:19:42,576 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 17:19:42,576 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 17:19:42,577 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 17:19:42,577 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 17:19:42,577 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 17:19:42,577 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 17:19:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-24 17:19:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-24 17:19:42,632 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:19:42,633 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:19:42,637 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:19:42,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:19:42,648 INFO L82 PathProgramCache]: Analyzing trace with hash -183050031, now seen corresponding path program 1 times [2018-10-24 17:19:42,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 17:19:42,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:42,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:19:42,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:42,713 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 17:19:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:19:43,556 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 17:19:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:19:43,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:19:43,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:19:43,748 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 17:19:43,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:19:43,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:19:43,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:19:43,780 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-10-24 17:19:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:19:45,901 INFO L93 Difference]: Finished difference Result 855 states and 1508 transitions. [2018-10-24 17:19:45,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:19:45,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-10-24 17:19:45,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:19:45,929 INFO L225 Difference]: With dead ends: 855 [2018-10-24 17:19:45,930 INFO L226 Difference]: Without dead ends: 541 [2018-10-24 17:19:45,938 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:19:45,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-10-24 17:19:46,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 527. [2018-10-24 17:19:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-10-24 17:19:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 901 transitions. [2018-10-24 17:19:46,035 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 901 transitions. Word has length 154 [2018-10-24 17:19:46,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:19:46,037 INFO L481 AbstractCegarLoop]: Abstraction has 527 states and 901 transitions. [2018-10-24 17:19:46,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 17:19:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 901 transitions. [2018-10-24 17:19:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-24 17:19:46,045 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:19:46,046 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:19:46,046 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:19:46,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:19:46,047 INFO L82 PathProgramCache]: Analyzing trace with hash 963012984, now seen corresponding path program 1 times [2018-10-24 17:19:46,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 17:19:46,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:46,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:19:46,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:46,049 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 17:19:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:19:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:19:46,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:19:46,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 17:19:46,411 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 17:19:46,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 17:19:46,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 17:19:46,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 17:19:46,415 INFO L87 Difference]: Start difference. First operand 527 states and 901 transitions. Second operand 6 states. [2018-10-24 17:19:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:19:50,490 INFO L93 Difference]: Finished difference Result 1590 states and 2790 transitions. [2018-10-24 17:19:50,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 17:19:50,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-24 17:19:50,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:19:50,503 INFO L225 Difference]: With dead ends: 1590 [2018-10-24 17:19:50,504 INFO L226 Difference]: Without dead ends: 1069 [2018-10-24 17:19:50,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 17:19:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2018-10-24 17:19:50,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1024. [2018-10-24 17:19:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-10-24 17:19:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1744 transitions. [2018-10-24 17:19:50,583 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1744 transitions. Word has length 164 [2018-10-24 17:19:50,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:19:50,583 INFO L481 AbstractCegarLoop]: Abstraction has 1024 states and 1744 transitions. [2018-10-24 17:19:50,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 17:19:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1744 transitions. [2018-10-24 17:19:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-24 17:19:50,591 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:19:50,592 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:19:50,592 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:19:50,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:19:50,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1218185600, now seen corresponding path program 1 times [2018-10-24 17:19:50,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 17:19:50,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:50,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:19:50,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:50,594 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 17:19:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:19:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:19:50,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:19:50,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 17:19:50,873 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 17:19:50,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 17:19:50,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 17:19:50,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 17:19:50,875 INFO L87 Difference]: Start difference. First operand 1024 states and 1744 transitions. Second operand 5 states. [2018-10-24 17:19:54,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:19:54,265 INFO L93 Difference]: Finished difference Result 3166 states and 5668 transitions. [2018-10-24 17:19:54,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 17:19:54,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2018-10-24 17:19:54,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:19:54,298 INFO L225 Difference]: With dead ends: 3166 [2018-10-24 17:19:54,298 INFO L226 Difference]: Without dead ends: 2148 [2018-10-24 17:19:54,309 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 17:19:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2018-10-24 17:19:54,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2105. [2018-10-24 17:19:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2018-10-24 17:19:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 3420 transitions. [2018-10-24 17:19:54,435 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 3420 transitions. Word has length 165 [2018-10-24 17:19:54,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:19:54,435 INFO L481 AbstractCegarLoop]: Abstraction has 2105 states and 3420 transitions. [2018-10-24 17:19:54,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 17:19:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 3420 transitions. [2018-10-24 17:19:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-24 17:19:54,447 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:19:54,447 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:19:54,447 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:19:54,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:19:54,448 INFO L82 PathProgramCache]: Analyzing trace with hash -231174827, now seen corresponding path program 1 times [2018-10-24 17:19:54,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 17:19:54,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:54,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:19:54,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:19:54,450 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 17:19:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:19:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:19:55,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 17:19:55,097 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 17:19:55,098 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-10-24 17:19:55,101 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [693], [695], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 17:19:55,199 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 17:19:55,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-10-24 17:24:09,178 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-24 17:24:09,179 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-24 17:24:09,180 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 17:24:09,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 17:24:09,180 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 17:24:09,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:24:09,196 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 17:24:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:24:09,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 17:24:09,408 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-24 17:24:09,610 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 17:24:09,610 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 17:24:09,615 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 17:24:09,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:24:09 BoogieIcfgContainer [2018-10-24 17:24:09,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 17:24:09,621 INFO L168 Benchmark]: Toolchain (without parser) took 275002.12 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -984.8 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2018-10-24 17:24:09,622 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 17:24:09,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1159.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-24 17:24:09,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 330.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2018-10-24 17:24:09,625 INFO L168 Benchmark]: Boogie Preprocessor took 147.71 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2018-10-24 17:24:09,627 INFO L168 Benchmark]: RCFGBuilder took 6222.22 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 248.1 MB). Peak memory consumption was 248.1 MB. Max. memory is 7.1 GB. [2018-10-24 17:24:09,628 INFO L168 Benchmark]: TraceAbstraction took 267132.21 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 282.1 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -462.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 17:24:09,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1159.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 330.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.71 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6222.22 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 248.1 MB). Peak memory consumption was 248.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267132.21 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 282.1 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -462.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1476]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1476). Cancelled while BasicCegarLoop was analyzing trace of length 168 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 267.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 9.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 503 SDtfs, 2441 SDslu, 521 SDs, 0 SdLazy, 3550 SolverSat, 563 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2105occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 254.0s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 102 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 160400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 13/13 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown