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_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:31:40,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:31:40,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:31:40,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:31:40,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:31:40,542 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:31:40,543 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:31:40,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:31:40,549 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:31:40,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:31:40,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:31:40,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:31:40,560 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:31:40,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:31:40,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:31:40,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:31:40,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:31:40,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:31:40,569 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:31:40,570 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:31:40,571 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:31:40,572 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:31:40,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:31:40,582 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 21:31:40,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:31:40,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:31:40,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:31:40,599 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:31:40,600 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:31:40,600 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:31:40,600 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:31:40,600 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:31:40,600 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:31:40,601 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:31:40,601 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:31:40,601 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:31:40,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:31:40,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:31:40,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:31:40,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:31:40,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:31:40,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:31:40,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:31:40,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:31:40,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:31:40,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:31:40,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:31:40,604 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:31:40,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:31:40,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:31:40,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:31:40,605 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:31:40,605 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:31:40,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:31:40,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:31:40,605 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:31:40,606 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:31:40,606 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:31:40,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:31:40,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:31:40,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:31:40,684 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:31:40,684 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:31:40,685 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label27_true-unreach-call.c [2018-10-24 21:31:40,764 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/04d1e1bc8/f42c1fcec1a94494b14ebc75eadb4957/FLAG7da3cd486 [2018-10-24 21:31:41,580 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:31:41,581 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label27_true-unreach-call.c [2018-10-24 21:31:41,623 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/04d1e1bc8/f42c1fcec1a94494b14ebc75eadb4957/FLAG7da3cd486 [2018-10-24 21:31:41,642 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/04d1e1bc8/f42c1fcec1a94494b14ebc75eadb4957 [2018-10-24 21:31:41,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:31:41,659 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:31:41,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:31:41,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:31:41,666 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:31:41,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:31:41" (1/1) ... [2018-10-24 21:31:41,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131b7c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:41, skipping insertion in model container [2018-10-24 21:31:41,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:31:41" (1/1) ... [2018-10-24 21:31:41,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:31:41,887 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:31:43,420 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:31:43,426 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:31:44,201 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:31:44,241 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:31:44,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44 WrapperNode [2018-10-24 21:31:44,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:31:44,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:31:44,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:31:44,243 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:31:44,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:44,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:44,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:31:44,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:31:44,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:31:44,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:31:44,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:44,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:44,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:44,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:45,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:45,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:45,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (1/1) ... [2018-10-24 21:31:45,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:31:45,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:31:45,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:31:45,187 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:31:45,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (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 21:31:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:31:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:31:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 21:31:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 21:31:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 21:31:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 21:31:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:31:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:31:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:31:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:31:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:31:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:31:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:31:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:31:56,632 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:31:56,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:31:56 BoogieIcfgContainer [2018-10-24 21:31:56,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:31:56,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:31:56,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:31:56,638 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:31:56,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:31:41" (1/3) ... [2018-10-24 21:31:56,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15927c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:31:56, skipping insertion in model container [2018-10-24 21:31:56,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:31:44" (2/3) ... [2018-10-24 21:31:56,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15927c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:31:56, skipping insertion in model container [2018-10-24 21:31:56,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:31:56" (3/3) ... [2018-10-24 21:31:56,643 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label27_true-unreach-call.c [2018-10-24 21:31:56,653 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:31:56,663 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:31:56,681 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:31:56,729 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:31:56,729 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:31:56,730 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:31:56,730 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:31:56,730 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:31:56,730 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:31:56,730 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:31:56,730 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:31:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 21:31:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-24 21:31:56,792 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:31:56,793 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] [2018-10-24 21:31:56,795 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:31:56,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:31:56,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1638036668, now seen corresponding path program 1 times [2018-10-24 21:31:56,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:31:56,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:31:56,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:31:56,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:31:56,863 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:31:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:31:57,272 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:31:57,395 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 21:31:57,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:31:57,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:31:57,398 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:31:57,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:31:57,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:31:57,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:31:57,425 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 21:32:07,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:32:07,499 INFO L93 Difference]: Finished difference Result 3104 states and 5729 transitions. [2018-10-24 21:32:07,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:32:07,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-24 21:32:07,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:32:07,542 INFO L225 Difference]: With dead ends: 3104 [2018-10-24 21:32:07,542 INFO L226 Difference]: Without dead ends: 1982 [2018-10-24 21:32:07,557 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 [2018-10-24 21:32:07,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2018-10-24 21:32:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1965. [2018-10-24 21:32:07,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2018-10-24 21:32:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3515 transitions. [2018-10-24 21:32:07,752 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 3515 transitions. Word has length 52 [2018-10-24 21:32:07,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:32:07,753 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 3515 transitions. [2018-10-24 21:32:07,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:32:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3515 transitions. [2018-10-24 21:32:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-24 21:32:07,768 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:32:07,769 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:32:07,769 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:32:07,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:32:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash -228599944, now seen corresponding path program 1 times [2018-10-24 21:32:07,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:32:07,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:32:07,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:32:07,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:32:07,773 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:32:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:32:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:32:08,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:32:08,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:32:08,264 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:32:08,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:32:08,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:32:08,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:32:08,267 INFO L87 Difference]: Start difference. First operand 1965 states and 3515 transitions. Second operand 5 states. [2018-10-24 21:32:23,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:32:23,642 INFO L93 Difference]: Finished difference Result 5645 states and 10294 transitions. [2018-10-24 21:32:23,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:32:23,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-10-24 21:32:23,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:32:23,669 INFO L225 Difference]: With dead ends: 5645 [2018-10-24 21:32:23,669 INFO L226 Difference]: Without dead ends: 3686 [2018-10-24 21:32:23,677 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:32:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2018-10-24 21:32:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3654. [2018-10-24 21:32:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3654 states. [2018-10-24 21:32:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5961 transitions. [2018-10-24 21:32:23,792 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5961 transitions. Word has length 122 [2018-10-24 21:32:23,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:32:23,793 INFO L481 AbstractCegarLoop]: Abstraction has 3654 states and 5961 transitions. [2018-10-24 21:32:23,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:32:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5961 transitions. [2018-10-24 21:32:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-24 21:32:23,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:32:23,806 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:32:23,806 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:32:23,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:32:23,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1612728044, now seen corresponding path program 1 times [2018-10-24 21:32:23,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:32:23,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:32:23,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:32:23,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:32:23,811 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:32:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:32:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:32:24,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:32:24,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:32:24,063 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:32:24,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:32:24,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:32:24,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:32:24,066 INFO L87 Difference]: Start difference. First operand 3654 states and 5961 transitions. Second operand 5 states. [2018-10-24 21:32:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:32:40,411 INFO L93 Difference]: Finished difference Result 10941 states and 18369 transitions. [2018-10-24 21:32:40,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:32:40,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-10-24 21:32:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:32:40,464 INFO L225 Difference]: With dead ends: 10941 [2018-10-24 21:32:40,464 INFO L226 Difference]: Without dead ends: 7293 [2018-10-24 21:32:40,478 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 [2018-10-24 21:32:40,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2018-10-24 21:32:40,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 7138. [2018-10-24 21:32:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7138 states. [2018-10-24 21:32:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7138 states to 7138 states and 10867 transitions. [2018-10-24 21:32:40,722 INFO L78 Accepts]: Start accepts. Automaton has 7138 states and 10867 transitions. Word has length 124 [2018-10-24 21:32:40,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:32:40,723 INFO L481 AbstractCegarLoop]: Abstraction has 7138 states and 10867 transitions. [2018-10-24 21:32:40,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:32:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 7138 states and 10867 transitions. [2018-10-24 21:32:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-24 21:32:40,726 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:32:40,727 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:32:40,727 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:32:40,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:32:40,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1125748408, now seen corresponding path program 1 times [2018-10-24 21:32:40,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:32:40,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:32:40,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:32:40,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:32:40,729 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:32:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:32:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 21:32:41,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:32:41,142 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:32:41,143 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-10-24 21:32:41,145 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], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2943], [2945], [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], [3237], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 21:32:41,219 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:32:41,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:32:45,625 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:32:45,627 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 21:32:45,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:32:45,650 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:32:49,285 INFO L232 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 72.31% of their original sizes. [2018-10-24 21:32:49,285 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:32:50,996 INFO L413 sIntCurrentIteration]: We have 145 unified AI predicates [2018-10-24 21:32:50,996 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:32:50,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:32:50,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-24 21:32:50,998 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:32:50,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 21:32:50,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 21:32:50,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:32:50,999 INFO L87 Difference]: Start difference. First operand 7138 states and 10867 transitions. Second operand 10 states. [2018-10-24 21:33:19,556 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 21:35:26,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 21:35:26,064 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:35:26,069 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:35:26,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:35:26 BoogieIcfgContainer [2018-10-24 21:35:26,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:35:26,071 INFO L168 Benchmark]: Toolchain (without parser) took 224412.78 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 2.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-24 21:35:26,073 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:35:26,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2582.11 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. [2018-10-24 21:35:26,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 622.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 814.7 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 73.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:35:26,079 INFO L168 Benchmark]: Boogie Preprocessor took 320.51 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: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:35:26,081 INFO L168 Benchmark]: RCFGBuilder took 11447.23 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 192.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -2.0 MB). Peak memory consumption was 676.5 MB. Max. memory is 7.1 GB. [2018-10-24 21:35:26,082 INFO L168 Benchmark]: TraceAbstraction took 209434.93 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 2.9 GB in the end (delta: -749.0 MB). Peak memory consumption was 905.6 MB. Max. memory is 7.1 GB. [2018-10-24 21:35:26,087 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2582.11 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 622.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 814.7 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 73.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 320.51 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: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11447.23 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 192.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -2.0 MB). Peak memory consumption was 676.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209434.93 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 2.9 GB in the end (delta: -749.0 MB). Peak memory consumption was 905.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 147). Cancelled while BasicCegarLoop was constructing difference of abstraction (7138states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (3507 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 209.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 197.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1640 SDtfs, 8923 SDslu, 1469 SDs, 0 SdLazy, 13635 SolverSat, 3841 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 145.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 172 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7138occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9943978779840847 AbsIntWeakeningRatio, 0.14482758620689656 AbsIntAvgWeakeningVarsNumRemoved, 31.255172413793105 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 204 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 139447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 94/135 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown