java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:49:58,672 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:49:58,674 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:49:58,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:49:58,686 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:49:58,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:49:58,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:49:58,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:49:58,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:49:58,693 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:49:58,694 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:49:58,694 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:49:58,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:49:58,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:49:58,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:49:58,698 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:49:58,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:49:58,701 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:49:58,703 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:49:58,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:49:58,706 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:49:58,707 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:49:58,710 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:49:58,710 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:49:58,710 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:49:58,711 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:49:58,712 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:49:58,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:49:58,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:49:58,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:49:58,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:49:58,716 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:49:58,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:49:58,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:49:58,717 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:49:58,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:49:58,719 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:49:58,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:49:58,729 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:49:58,729 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:49:58,730 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:49:58,730 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:49:58,730 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:49:58,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:49:58,731 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:49:58,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:49:58,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:49:58,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:49:58,732 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:49:58,732 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:49:58,733 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:49:58,734 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:49:58,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:49:58,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:49:58,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:49:58,796 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:49:58,797 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:49:58,798 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-14 16:49:58,798 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl' [2018-10-14 16:49:58,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:49:58,865 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:49:58,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:49:58,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:49:58,867 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:49:58,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... [2018-10-14 16:49:58,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... [2018-10-14 16:49:58,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... [2018-10-14 16:49:58,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... [2018-10-14 16:49:58,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... [2018-10-14 16:49:58,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... [2018-10-14 16:49:58,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... [2018-10-14 16:49:58,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:49:58,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:49:58,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:49:58,927 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:49:58,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 16:49:58,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:49:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:49:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:49:59,725 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:49:59,725 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:49:59 BoogieIcfgContainer [2018-10-14 16:49:59,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:49:59,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:49:59,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:49:59,731 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:49:59,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:49:58" (1/2) ... [2018-10-14 16:49:59,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a79a45 and model type openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:49:59, skipping insertion in model container [2018-10-14 16:49:59,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:49:59" (2/2) ... [2018-10-14 16:49:59,735 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl [2018-10-14 16:49:59,745 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:49:59,754 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:49:59,772 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:49:59,801 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:49:59,802 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:49:59,802 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:49:59,803 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:49:59,803 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:49:59,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:49:59,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:49:59,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:49:59,804 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:49:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-10-14 16:49:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-14 16:49:59,851 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:49:59,853 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] [2018-10-14 16:49:59,855 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:49:59,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:49:59,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1774304421, now seen corresponding path program 1 times [2018-10-14 16:49:59,928 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:00,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:50:00,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-14 16:50:00,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-14 16:50:00,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-14 16:50:00,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-10-14 16:50:00,714 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 11 states. [2018-10-14 16:50:01,200 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-14 16:50:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:01,761 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-14 16:50:01,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-14 16:50:01,763 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2018-10-14 16:50:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:01,778 INFO L225 Difference]: With dead ends: 124 [2018-10-14 16:50:01,780 INFO L226 Difference]: Without dead ends: 124 [2018-10-14 16:50:01,782 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2018-10-14 16:50:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-10-14 16:50:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2018-10-14 16:50:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-14 16:50:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-10-14 16:50:01,850 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 63 [2018-10-14 16:50:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:01,851 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-10-14 16:50:01,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-14 16:50:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-10-14 16:50:01,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-14 16:50:01,857 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:01,859 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-14 16:50:01,860 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:01,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:01,861 INFO L82 PathProgramCache]: Analyzing trace with hash 764069345, now seen corresponding path program 1 times [2018-10-14 16:50:01,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:02,644 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-10-14 16:50:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:03,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:03,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-10-14 16:50:03,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-14 16:50:03,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-14 16:50:03,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2018-10-14 16:50:03,750 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 26 states. [2018-10-14 16:50:05,545 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2018-10-14 16:50:05,719 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-10-14 16:50:05,904 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-10-14 16:50:06,199 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-10-14 16:50:06,435 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2018-10-14 16:50:06,772 WARN L179 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2018-10-14 16:50:07,249 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2018-10-14 16:50:07,445 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2018-10-14 16:50:07,651 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2018-10-14 16:50:07,985 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2018-10-14 16:50:08,269 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-10-14 16:50:08,439 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2018-10-14 16:50:08,682 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2018-10-14 16:50:08,876 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2018-10-14 16:50:09,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:09,301 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-10-14 16:50:09,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-14 16:50:09,304 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 102 [2018-10-14 16:50:09,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:09,311 INFO L225 Difference]: With dead ends: 163 [2018-10-14 16:50:09,312 INFO L226 Difference]: Without dead ends: 163 [2018-10-14 16:50:09,315 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=524, Invalid=2128, Unknown=0, NotChecked=0, Total=2652 [2018-10-14 16:50:09,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-10-14 16:50:09,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 142. [2018-10-14 16:50:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-14 16:50:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-10-14 16:50:09,343 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 102 [2018-10-14 16:50:09,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:09,344 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-10-14 16:50:09,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-10-14 16:50:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-10-14 16:50:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-14 16:50:09,352 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:09,353 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:50:09,353 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:09,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:09,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1575087835, now seen corresponding path program 2 times [2018-10-14 16:50:09,355 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:50:11,686 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:11,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-10-14 16:50:11,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-10-14 16:50:11,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-10-14 16:50:11,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=983, Unknown=0, NotChecked=0, Total=1056 [2018-10-14 16:50:11,688 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 33 states. [2018-10-14 16:50:13,103 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2018-10-14 16:50:13,389 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2018-10-14 16:50:13,729 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2018-10-14 16:50:13,936 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-10-14 16:50:14,367 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2018-10-14 16:50:14,560 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2018-10-14 16:50:14,769 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2018-10-14 16:50:15,200 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-10-14 16:50:15,433 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-10-14 16:50:16,000 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2018-10-14 16:50:16,571 WARN L179 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2018-10-14 16:50:17,013 WARN L179 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2018-10-14 16:50:17,305 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2018-10-14 16:50:17,643 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2018-10-14 16:50:18,021 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2018-10-14 16:50:18,390 WARN L179 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2018-10-14 16:50:18,655 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2018-10-14 16:50:18,867 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2018-10-14 16:50:19,236 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2018-10-14 16:50:19,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:19,455 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-10-14 16:50:19,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-14 16:50:19,456 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 141 [2018-10-14 16:50:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:19,459 INFO L225 Difference]: With dead ends: 202 [2018-10-14 16:50:19,459 INFO L226 Difference]: Without dead ends: 202 [2018-10-14 16:50:19,461 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=635, Invalid=3525, Unknown=0, NotChecked=0, Total=4160 [2018-10-14 16:50:19,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-10-14 16:50:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 181. [2018-10-14 16:50:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-10-14 16:50:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-10-14 16:50:19,479 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 141 [2018-10-14 16:50:19,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:19,480 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-10-14 16:50:19,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-10-14 16:50:19,480 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-10-14 16:50:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-14 16:50:19,483 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:50:19,483 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:50:19,484 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:50:19,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:50:19,484 INFO L82 PathProgramCache]: Analyzing trace with hash -407871135, now seen corresponding path program 3 times [2018-10-14 16:50:19,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:50:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:50:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-14 16:50:20,797 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:50:20,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-10-14 16:50:20,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-14 16:50:20,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-14 16:50:20,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=749, Unknown=0, NotChecked=0, Total=812 [2018-10-14 16:50:20,799 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 29 states. [2018-10-14 16:50:22,889 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2018-10-14 16:50:23,116 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2018-10-14 16:50:23,338 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2018-10-14 16:50:23,568 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2018-10-14 16:50:23,815 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2018-10-14 16:50:24,053 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2018-10-14 16:50:24,247 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-14 16:50:24,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:50:24,645 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-10-14 16:50:24,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-10-14 16:50:24,647 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 180 [2018-10-14 16:50:24,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:50:24,648 INFO L225 Difference]: With dead ends: 179 [2018-10-14 16:50:24,649 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:50:24,650 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=616, Invalid=2806, Unknown=0, NotChecked=0, Total=3422 [2018-10-14 16:50:24,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:50:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:50:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:50:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:50:24,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-10-14 16:50:24,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:50:24,652 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:50:24,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-14 16:50:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:50:24,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:50:24,658 INFO L202 PluginConnector]: Adding new model openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:50:24 BoogieIcfgContainer [2018-10-14 16:50:24,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:50:24,659 INFO L168 Benchmark]: Toolchain (without parser) took 25794.37 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 327.7 MB). Free memory was 1.4 GB in the beginning and 989.5 MB in the end (delta: 439.4 MB). Peak memory consumption was 767.1 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:24,660 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-14 16:50:24,661 INFO L168 Benchmark]: Boogie Preprocessor took 59.72 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. [2018-10-14 16:50:24,662 INFO L168 Benchmark]: RCFGBuilder took 799.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:24,662 INFO L168 Benchmark]: TraceAbstraction took 24930.64 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 327.7 MB). Free memory was 1.4 GB in the beginning and 989.5 MB in the end (delta: 407.7 MB). Peak memory consumption was 735.4 MB. Max. memory is 7.1 GB. [2018-10-14 16:50:24,666 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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. * Boogie Preprocessor took 59.72 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. * RCFGBuilder took 799.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24930.64 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 327.7 MB). Free memory was 1.4 GB in the beginning and 989.5 MB in the end (delta: 407.7 MB). Peak memory consumption was 735.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 102 locations, 1 error locations. SAFE Result, 24.8s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 18.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 4493 SDslu, 3035 SDs, 0 SdLazy, 3464 SolverSat, 108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1287 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 482 ConstructedInterpolants, 0 QuantifiedInterpolants, 1003132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 75/174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-50-24-680.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_14.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-50-24-680.csv Received shutdown request...