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/ArraysOfVariableLength_true-valid-memsafety.c_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:26:37,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:26:37,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:26:37,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:26:37,838 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:26:37,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:26:37,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:26:37,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:26:37,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:26:37,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:26:37,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:26:37,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:26:37,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:26:37,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:26:37,856 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:26:37,857 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:26:37,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:26:37,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:26:37,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:26:37,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:26:37,877 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:26:37,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:26:37,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:26:37,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:26:37,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:26:37,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:26:37,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:26:37,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:26:37,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:26:37,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:26:37,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:26:37,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-14 16:26:37,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-14 16:26:37,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-14 16:26:37,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-14 16:26:37,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-14 16:26:37,889 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 16:26:37,900 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:26:37,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:26:37,901 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:26:37,902 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:26:37,902 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:26:37,902 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:26:37,903 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:26:37,903 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:26:37,903 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:26:37,903 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:26:37,904 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:26:37,904 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:26:37,904 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:26:37,905 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:26:37,905 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:26:37,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:26:37,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:26:37,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:26:37,990 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:26:37,991 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:26:37,991 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_7.bpl [2018-10-14 16:26:37,992 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength_true-valid-memsafety.c_7.bpl' [2018-10-14 16:26:38,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:26:38,080 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:26:38,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:26:38,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:26:38,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:26:38,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/1) ... [2018-10-14 16:26:38,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/1) ... [2018-10-14 16:26:38,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/1) ... [2018-10-14 16:26:38,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/1) ... [2018-10-14 16:26:38,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/1) ... [2018-10-14 16:26:38,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/1) ... [2018-10-14 16:26:38,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/1) ... [2018-10-14 16:26:38,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:26:38,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:26:38,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:26:38,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:26:38,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (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 16:26:38,234 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:26:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:26:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:26:38,711 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:26:38,712 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:26:38 BoogieIcfgContainer [2018-10-14 16:26:38,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:26:38,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:26:38,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:26:38,718 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:26:38,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:26:38" (1/2) ... [2018-10-14 16:26:38,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672fbe7 and model type ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:26:38, skipping insertion in model container [2018-10-14 16:26:38,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:26:38" (2/2) ... [2018-10-14 16:26:38,721 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_true-valid-memsafety.c_7.bpl [2018-10-14 16:26:38,732 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:26:38,742 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:26:38,760 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:26:38,792 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:26:38,793 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:26:38,793 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:26:38,793 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:26:38,793 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:26:38,793 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:26:38,794 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:26:38,794 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:26:38,794 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:26:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-10-14 16:26:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-14 16:26:38,823 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:26:38,824 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] [2018-10-14 16:26:38,826 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:26:38,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:26:38,833 INFO L82 PathProgramCache]: Analyzing trace with hash 520472870, now seen corresponding path program 1 times [2018-10-14 16:26:38,898 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:26:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:26:39,114 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 16:26:39,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:26:39,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 16:26:39,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 16:26:39,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 16:26:39,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:26:39,142 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 6 states. [2018-10-14 16:26:39,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:26:39,516 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-10-14 16:26:39,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 16:26:39,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-10-14 16:26:39,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:26:39,531 INFO L225 Difference]: With dead ends: 76 [2018-10-14 16:26:39,531 INFO L226 Difference]: Without dead ends: 76 [2018-10-14 16:26:39,533 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:26:39,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-10-14 16:26:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 57. [2018-10-14 16:26:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-10-14 16:26:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-10-14 16:26:39,578 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 30 [2018-10-14 16:26:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:26:39,579 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-10-14 16:26:39,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 16:26:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-10-14 16:26:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-14 16:26:39,581 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:26:39,583 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-14 16:26:39,584 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:26:39,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:26:39,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1044557639, now seen corresponding path program 1 times [2018-10-14 16:26:39,586 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:26:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:26:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-14 16:26:39,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:26:39,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-14 16:26:39,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-14 16:26:39,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-14 16:26:39,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:26:39,852 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 7 states. [2018-10-14 16:26:40,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:26:40,125 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-10-14 16:26:40,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 16:26:40,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-10-14 16:26:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:26:40,128 INFO L225 Difference]: With dead ends: 55 [2018-10-14 16:26:40,128 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:26:40,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-10-14 16:26:40,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:26:40,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:26:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:26:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:26:40,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2018-10-14 16:26:40,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:26:40,132 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:26:40,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-14 16:26:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:26:40,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:26:40,138 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength_true-valid-memsafety.c_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:26:40 BoogieIcfgContainer [2018-10-14 16:26:40,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:26:40,139 INFO L168 Benchmark]: Toolchain (without parser) took 2060.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-14 16:26:40,142 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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 16:26:40,143 INFO L168 Benchmark]: Boogie Preprocessor took 68.49 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 16:26:40,144 INFO L168 Benchmark]: RCFGBuilder took 563.08 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-14 16:26:40,145 INFO L168 Benchmark]: TraceAbstraction took 1424.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-14 16:26:40,150 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 0.22 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 68.49 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 563.08 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1424.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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, 48 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 86 SDtfs, 170 SDslu, 221 SDs, 0 SdLazy, 48 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=1, 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, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 6270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 11/11 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/ArraysOfVariableLength_true-valid-memsafety.c_7.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-26-40-162.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_7.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-26-40-162.csv Received shutdown request...