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/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 20:59:39,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 20:59:39,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 20:59:39,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 20:59:39,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 20:59:39,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 20:59:39,965 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 20:59:39,967 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 20:59:39,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 20:59:39,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 20:59:39,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 20:59:39,971 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 20:59:39,972 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 20:59:39,973 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 20:59:39,974 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 20:59:39,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 20:59:39,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 20:59:39,981 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 20:59:39,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 20:59:39,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 20:59:39,992 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 20:59:39,997 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 20:59:40,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 20:59:40,001 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 20:59:40,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 20:59:40,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 20:59:40,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 20:59:40,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 20:59:40,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 20:59:40,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 20:59:40,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 20:59:40,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 20:59:40,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 20:59:40,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 20:59:40,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 20:59:40,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 20:59:40,013 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 20:59:40,028 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 20:59:40,028 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 20:59:40,030 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 20:59:40,030 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 20:59:40,031 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 20:59:40,031 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 20:59:40,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 20:59:40,032 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 20:59:40,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 20:59:40,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 20:59:40,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 20:59:40,032 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 20:59:40,033 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 20:59:40,033 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 20:59:40,034 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 20:59:40,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 20:59:40,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 20:59:40,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 20:59:40,097 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 20:59:40,098 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 20:59:40,099 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-12 20:59:40,099 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-12 20:59:40,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 20:59:40,169 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 20:59:40,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 20:59:40,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 20:59:40,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 20:59:40,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/1) ... [2018-10-12 20:59:40,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/1) ... [2018-10-12 20:59:40,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/1) ... [2018-10-12 20:59:40,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/1) ... [2018-10-12 20:59:40,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/1) ... [2018-10-12 20:59:40,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/1) ... [2018-10-12 20:59:40,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/1) ... [2018-10-12 20:59:40,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 20:59:40,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 20:59:40,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 20:59:40,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 20:59:40,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (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 [2018-10-12 20:59:40,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 20:59:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 20:59:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 20:59:40,864 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 20:59:40,865 INFO L202 PluginConnector]: Adding new model cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:40 BoogieIcfgContainer [2018-10-12 20:59:40,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 20:59:40,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 20:59:40,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 20:59:40,870 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 20:59:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:59:40" (1/2) ... [2018-10-12 20:59:40,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c9d6e1 and model type cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:59:40, skipping insertion in model container [2018-10-12 20:59:40,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:40" (2/2) ... [2018-10-12 20:59:40,874 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-12 20:59:40,884 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 20:59:40,893 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 20:59:40,911 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 20:59:40,941 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 20:59:40,942 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 20:59:40,942 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 20:59:40,942 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 20:59:40,942 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 20:59:40,942 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 20:59:40,943 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 20:59:40,943 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 20:59:40,943 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 20:59:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-10-12 20:59:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-12 20:59:40,974 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:59:40,975 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:59:40,977 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:59:40,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:59:40,983 INFO L82 PathProgramCache]: Analyzing trace with hash -780550095, now seen corresponding path program 1 times [2018-10-12 20:59:41,048 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:59:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:59:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 20:59:41,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:59:41,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-12 20:59:41,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 20:59:41,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 20:59:41,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-12 20:59:41,633 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 8 states. [2018-10-12 20:59:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:59:42,240 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-10-12 20:59:42,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-12 20:59:42,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2018-10-12 20:59:42,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:59:42,255 INFO L225 Difference]: With dead ends: 90 [2018-10-12 20:59:42,256 INFO L226 Difference]: Without dead ends: 90 [2018-10-12 20:59:42,258 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2018-10-12 20:59:42,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-12 20:59:42,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2018-10-12 20:59:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-12 20:59:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-12 20:59:42,303 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 66 [2018-10-12 20:59:42,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:59:42,304 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-10-12 20:59:42,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 20:59:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-12 20:59:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-12 20:59:42,307 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:59:42,307 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-12 20:59:42,308 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:59:42,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:59:42,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1714257369, now seen corresponding path program 1 times [2018-10-12 20:59:42,310 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:59:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:59:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-12 20:59:42,648 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:59:42,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-10-12 20:59:42,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-12 20:59:42,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-12 20:59:42,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-12 20:59:42,661 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 9 states. [2018-10-12 20:59:43,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:59:43,267 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-10-12 20:59:43,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-12 20:59:43,268 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2018-10-12 20:59:43,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:59:43,270 INFO L225 Difference]: With dead ends: 78 [2018-10-12 20:59:43,270 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 20:59:43,272 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2018-10-12 20:59:43,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 20:59:43,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 20:59:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 20:59:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 20:59:43,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2018-10-12 20:59:43,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:59:43,274 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 20:59:43,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-12 20:59:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 20:59:43,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 20:59:43,279 INFO L202 PluginConnector]: Adding new model cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:59:43 BoogieIcfgContainer [2018-10-12 20:59:43,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 20:59:43,281 INFO L168 Benchmark]: Toolchain (without parser) took 3113.21 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: 137.5 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2018-10-12 20:59:43,283 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. [2018-10-12 20:59:43,284 INFO L168 Benchmark]: Boogie Preprocessor took 57.15 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. [2018-10-12 20:59:43,284 INFO L168 Benchmark]: RCFGBuilder took 638.64 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. [2018-10-12 20:59:43,285 INFO L168 Benchmark]: TraceAbstraction took 2413.30 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: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2018-10-12 20:59:43,290 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 57.15 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 638.64 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 2413.30 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: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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, 80 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 119 SDtfs, 200 SDslu, 562 SDs, 0 SdLazy, 272 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 27235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_20-59-43-302.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cstrncat-alloca_true-valid-memsafety_true-termination.i_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_20-59-43-302.csv Received shutdown request...