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/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:38:54,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:38:54,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:38:54,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:38:54,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:38:54,524 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:38:54,525 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:38:54,535 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:38:54,537 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:38:54,538 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:38:54,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:38:54,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:38:54,542 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:38:54,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:38:54,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:38:54,549 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:38:54,550 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:38:54,552 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:38:54,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:38:54,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:38:54,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:38:54,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:38:54,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:38:54,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:38:54,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:38:54,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:38:54,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:38:54,580 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:38:54,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:38:54,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:38:54,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:38:54,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:38:54,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:38:54,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:38:54,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:38:54,590 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:38:54,590 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 16:38:54,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:38:54,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:38:54,609 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:38:54,609 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:38:54,609 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:38:54,610 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:38:54,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:38:54,611 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:38:54,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:38:54,611 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:38:54,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:38:54,612 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:38:54,612 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:38:54,613 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:38:54,613 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:38:54,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:38:54,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:38:54,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:38:54,700 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:38:54,701 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:38:54,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-14 16:38:54,702 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-14 16:38:54,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:38:54,803 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:38:54,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:38:54,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:38:54,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:38:54,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/1) ... [2018-10-14 16:38:54,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/1) ... [2018-10-14 16:38:54,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/1) ... [2018-10-14 16:38:54,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/1) ... [2018-10-14 16:38:54,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/1) ... [2018-10-14 16:38:54,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/1) ... [2018-10-14 16:38:54,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/1) ... [2018-10-14 16:38:54,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:38:54,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:38:54,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:38:54,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:38:54,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (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 16:38:54,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:38:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:38:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:38:55,512 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:38:55,513 INFO L202 PluginConnector]: Adding new model cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:38:55 BoogieIcfgContainer [2018-10-14 16:38:55,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:38:55,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:38:55,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:38:55,517 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:38:55,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:38:54" (1/2) ... [2018-10-14 16:38:55,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627b1a20 and model type cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:38:55, skipping insertion in model container [2018-10-14 16:38:55,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:38:55" (2/2) ... [2018-10-14 16:38:55,521 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-14 16:38:55,530 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:38:55,539 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:38:55,556 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:38:55,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:38:55,585 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:38:55,586 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:38:55,586 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:38:55,586 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:38:55,586 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:38:55,586 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:38:55,586 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:38:55,587 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:38:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-10-14 16:38:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-14 16:38:55,616 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:38:55,618 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] [2018-10-14 16:38:55,619 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:38:55,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:38:55,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1085884432, now seen corresponding path program 1 times [2018-10-14 16:38:55,691 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:38:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:38:56,630 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 16:38:56,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:38:56,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-14 16:38:56,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:38:56,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:38:56,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:38:56,659 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 13 states. [2018-10-14 16:38:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:38:58,101 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-10-14 16:38:58,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-14 16:38:58,103 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2018-10-14 16:38:58,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:38:58,118 INFO L225 Difference]: With dead ends: 106 [2018-10-14 16:38:58,118 INFO L226 Difference]: Without dead ends: 106 [2018-10-14 16:38:58,123 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-14 16:38:58,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-14 16:38:58,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 84. [2018-10-14 16:38:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-10-14 16:38:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-14 16:38:58,182 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 59 [2018-10-14 16:38:58,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:38:58,183 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-10-14 16:38:58,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:38:58,183 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-14 16:38:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-14 16:38:58,188 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:38:58,188 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] [2018-10-14 16:38:58,188 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:38:58,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:38:58,189 INFO L82 PathProgramCache]: Analyzing trace with hash 447877052, now seen corresponding path program 1 times [2018-10-14 16:38:58,191 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:38:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:38:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:38:59,338 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:38:59,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-14 16:38:59,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-14 16:38:59,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-14 16:38:59,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-14 16:38:59,342 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 21 states. [2018-10-14 16:39:00,592 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-14 16:39:00,825 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-14 16:39:01,100 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2018-10-14 16:39:01,328 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-14 16:39:01,561 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-14 16:39:01,833 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-14 16:39:02,536 WARN L179 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2018-10-14 16:39:03,014 WARN L179 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-10-14 16:39:03,193 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-14 16:39:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:39:03,796 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-14 16:39:03,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-14 16:39:03,797 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 83 [2018-10-14 16:39:03,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:39:03,799 INFO L225 Difference]: With dead ends: 130 [2018-10-14 16:39:03,799 INFO L226 Difference]: Without dead ends: 130 [2018-10-14 16:39:03,801 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=384, Invalid=1338, Unknown=0, NotChecked=0, Total=1722 [2018-10-14 16:39:03,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-14 16:39:03,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 108. [2018-10-14 16:39:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-14 16:39:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-10-14 16:39:03,814 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 83 [2018-10-14 16:39:03,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:39:03,814 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-10-14 16:39:03,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-14 16:39:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-10-14 16:39:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-14 16:39:03,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:39:03,817 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-10-14 16:39:03,817 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:39:03,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:39:03,818 INFO L82 PathProgramCache]: Analyzing trace with hash -386296984, now seen corresponding path program 2 times [2018-10-14 16:39:03,819 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:39:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:39:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:39:05,754 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:39:05,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-10-14 16:39:05,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-14 16:39:05,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-14 16:39:05,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1249, Unknown=0, NotChecked=0, Total=1332 [2018-10-14 16:39:05,757 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 37 states. [2018-10-14 16:39:07,358 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-10-14 16:39:07,744 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-14 16:39:08,008 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-10-14 16:39:08,675 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2018-10-14 16:39:08,981 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2018-10-14 16:39:09,310 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2018-10-14 16:39:09,852 WARN L179 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-10-14 16:39:10,241 WARN L179 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-14 16:39:10,759 WARN L179 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2018-10-14 16:39:11,293 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2018-10-14 16:39:11,769 WARN L179 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2018-10-14 16:39:12,249 WARN L179 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2018-10-14 16:39:12,850 WARN L179 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2018-10-14 16:39:13,589 WARN L179 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2018-10-14 16:39:13,835 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-14 16:39:14,050 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-14 16:39:14,240 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-14 16:39:14,500 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-14 16:39:14,705 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-10-14 16:39:14,964 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-14 16:39:15,265 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-14 16:39:15,576 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-14 16:39:15,855 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-14 16:39:16,138 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-14 16:39:16,485 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-10-14 16:39:16,816 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-14 16:39:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:39:17,397 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-10-14 16:39:17,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-14 16:39:17,399 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 107 [2018-10-14 16:39:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:39:17,401 INFO L225 Difference]: With dead ends: 154 [2018-10-14 16:39:17,401 INFO L226 Difference]: Without dead ends: 154 [2018-10-14 16:39:17,406 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=928, Invalid=4924, Unknown=0, NotChecked=0, Total=5852 [2018-10-14 16:39:17,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-10-14 16:39:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2018-10-14 16:39:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-14 16:39:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-10-14 16:39:17,417 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 107 [2018-10-14 16:39:17,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:39:17,418 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-10-14 16:39:17,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-10-14 16:39:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-10-14 16:39:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-14 16:39:17,420 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:39:17,420 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2018-10-14 16:39:17,421 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:39:17,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:39:17,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1709452524, now seen corresponding path program 3 times [2018-10-14 16:39:17,422 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:39:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:39:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-14 16:39:19,945 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:39:19,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-10-14 16:39:19,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-10-14 16:39:19,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-10-14 16:39:19,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2018-10-14 16:39:19,948 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 40 states. [2018-10-14 16:39:21,086 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-14 16:39:21,381 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-14 16:39:21,587 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-14 16:39:21,821 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-14 16:39:22,058 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-14 16:39:22,297 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2018-10-14 16:39:22,560 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-14 16:39:22,847 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-14 16:39:23,446 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-10-14 16:39:23,824 WARN L179 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-10-14 16:39:24,208 WARN L179 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 118 [2018-10-14 16:39:24,621 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 115 [2018-10-14 16:39:25,077 WARN L179 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 118 [2018-10-14 16:39:25,574 WARN L179 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 121 [2018-10-14 16:39:26,131 WARN L179 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2018-10-14 16:39:26,581 WARN L179 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 120 [2018-10-14 16:39:26,852 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-14 16:39:27,080 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-14 16:39:27,269 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-14 16:39:27,450 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-14 16:39:27,709 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-14 16:39:27,944 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2018-10-14 16:39:28,264 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2018-10-14 16:39:28,958 WARN L179 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2018-10-14 16:39:29,329 WARN L179 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 97 [2018-10-14 16:39:29,803 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2018-10-14 16:39:30,076 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-14 16:39:30,300 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-14 16:39:30,539 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-10-14 16:39:30,737 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-14 16:39:31,018 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2018-10-14 16:39:31,361 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2018-10-14 16:39:31,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:39:31,376 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-14 16:39:31,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-10-14 16:39:31,381 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 131 [2018-10-14 16:39:31,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:39:31,382 INFO L225 Difference]: With dead ends: 130 [2018-10-14 16:39:31,382 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:39:31,384 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=1343, Invalid=5463, Unknown=0, NotChecked=0, Total=6806 [2018-10-14 16:39:31,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:39:31,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:39:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:39:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:39:31,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 131 [2018-10-14 16:39:31,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:39:31,385 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:39:31,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-10-14 16:39:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:39:31,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:39:31,390 INFO L202 PluginConnector]: Adding new model cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:39:31 BoogieIcfgContainer [2018-10-14 16:39:31,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:39:31,390 INFO L168 Benchmark]: Toolchain (without parser) took 36589.06 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 364.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 359.5 MB). Peak memory consumption was 724.4 MB. Max. memory is 7.1 GB. [2018-10-14 16:39:31,392 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-14 16:39:31,392 INFO L168 Benchmark]: Boogie Preprocessor took 58.68 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. [2018-10-14 16:39:31,393 INFO L168 Benchmark]: RCFGBuilder took 650.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 16:39:31,394 INFO L168 Benchmark]: TraceAbstraction took 35875.91 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 364.9 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.8 MB). Peak memory consumption was 692.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:39:31,397 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 0.21 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. * Boogie Preprocessor took 58.68 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. * RCFGBuilder took 650.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 35875.91 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 364.9 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 327.8 MB). Peak memory consumption was 692.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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, 79 locations, 1 error locations. SAFE Result, 35.8s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 29.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 230 SDtfs, 3492 SDslu, 2768 SDs, 0 SdLazy, 3737 SolverSat, 254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1812 ImplicationChecksByTransitivity, 27.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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, 66 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 546040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/138 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/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-39-31-408.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-39-31-408.csv Received shutdown request...