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 0.1.23-502d2f4 [2018-10-12 20:58:49,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 20:58:49,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 20:58:49,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 20:58:49,094 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 20:58:49,095 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 20:58:49,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 20:58:49,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 20:58:49,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 20:58:49,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 20:58:49,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 20:58:49,102 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 20:58:49,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 20:58:49,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 20:58:49,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 20:58:49,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 20:58:49,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 20:58:49,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 20:58:49,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 20:58:49,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 20:58:49,113 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 20:58:49,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 20:58:49,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 20:58:49,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 20:58:49,117 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 20:58:49,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 20:58:49,118 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 20:58:49,119 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 20:58:49,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 20:58:49,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 20:58:49,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 20:58:49,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-12 20:58:49,124 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 20:58:49,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 20:58:49,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 20:58:49,144 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 20:58:49,144 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 20:58:49,145 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 20:58:49,146 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 20:58:49,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 20:58:49,147 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 20:58:49,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 20:58:49,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 20:58:49,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 20:58:49,148 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 20:58:49,148 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 20:58:49,149 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 20:58:49,149 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 20:58:49,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 20:58:49,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 20:58:49,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 20:58:49,215 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 20:58:49,215 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 20:58:49,216 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-12 20:58:49,216 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl' [2018-10-12 20:58:49,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 20:58:49,276 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 20:58:49,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 20:58:49,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 20:58:49,277 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 20:58:49,304 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 12.10 08:58:49" (1/1) ... [2018-10-12 20:58:49,305 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 12.10 08:58:49" (1/1) ... [2018-10-12 20:58:49,318 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 12.10 08:58:49" (1/1) ... [2018-10-12 20:58:49,318 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 12.10 08:58:49" (1/1) ... [2018-10-12 20:58:49,324 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 12.10 08:58:49" (1/1) ... [2018-10-12 20:58:49,326 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 12.10 08:58:49" (1/1) ... [2018-10-12 20:58:49,328 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 12.10 08:58:49" (1/1) ... [2018-10-12 20:58:49,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 20:58:49,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 20:58:49,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 20:58:49,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 20:58:49,332 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 12.10 08:58:49" (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 20:58:49,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 20:58:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 20:58:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 20:58:49,978 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 20:58:49,978 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 12.10 08:58:49 BoogieIcfgContainer [2018-10-12 20:58:49,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 20:58:49,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 20:58:49,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 20:58:49,983 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 20:58:49,983 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 12.10 08:58:49" (1/2) ... [2018-10-12 20:58:49,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736b1943 and model type cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:58:49, skipping insertion in model container [2018-10-12 20:58:49,985 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 12.10 08:58:49" (2/2) ... [2018-10-12 20:58:49,987 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcpy-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-12 20:58:49,997 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 20:58:50,005 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 20:58:50,022 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 20:58:50,052 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 20:58:50,053 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 20:58:50,053 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 20:58:50,053 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 20:58:50,053 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 20:58:50,054 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 20:58:50,054 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 20:58:50,054 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 20:58:50,054 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 20:58:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-10-12 20:58:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-12 20:58:50,084 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:58:50,086 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] [2018-10-12 20:58:50,087 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:58:50,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:58:50,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1085884432, now seen corresponding path program 1 times [2018-10-12 20:58:50,152 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:58:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:58:51,082 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 20:58:51,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:58:51,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-12 20:58:51,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-12 20:58:51,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-12 20:58:51,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-10-12 20:58:51,112 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 13 states. [2018-10-12 20:58:51,658 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-12 20:58:52,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:58:52,561 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-10-12 20:58:52,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-12 20:58:52,563 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2018-10-12 20:58:52,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:58:52,577 INFO L225 Difference]: With dead ends: 106 [2018-10-12 20:58:52,577 INFO L226 Difference]: Without dead ends: 106 [2018-10-12 20:58:52,580 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-10-12 20:58:52,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-12 20:58:52,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 84. [2018-10-12 20:58:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-10-12 20:58:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-12 20:58:52,626 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 59 [2018-10-12 20:58:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:58:52,627 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-10-12 20:58:52,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-12 20:58:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-12 20:58:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-12 20:58:52,631 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:58:52,631 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] [2018-10-12 20:58:52,632 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:58:52,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:58:52,632 INFO L82 PathProgramCache]: Analyzing trace with hash 447877052, now seen corresponding path program 1 times [2018-10-12 20:58:52,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:58:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:58:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 20:58:53,670 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:58:53,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-10-12 20:58:53,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-12 20:58:53,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-12 20:58:53,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-10-12 20:58:53,674 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 21 states. [2018-10-12 20:58:54,915 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-12 20:58:55,146 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-12 20:58:55,441 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2018-10-12 20:58:55,672 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-12 20:58:55,889 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-12 20:58:56,149 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-12 20:58:56,853 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2018-10-12 20:58:57,307 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-10-12 20:58:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:58:57,938 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-12 20:58:57,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-12 20:58:57,939 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 83 [2018-10-12 20:58:57,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:58:57,941 INFO L225 Difference]: With dead ends: 130 [2018-10-12 20:58:57,941 INFO L226 Difference]: Without dead ends: 130 [2018-10-12 20:58:57,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=384, Invalid=1338, Unknown=0, NotChecked=0, Total=1722 [2018-10-12 20:58:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-10-12 20:58:57,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 108. [2018-10-12 20:58:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-10-12 20:58:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-10-12 20:58:57,956 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 83 [2018-10-12 20:58:57,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:58:57,957 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-10-12 20:58:57,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-12 20:58:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-10-12 20:58:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-12 20:58:57,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:58:57,959 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] [2018-10-12 20:58:57,960 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:58:57,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:58:57,960 INFO L82 PathProgramCache]: Analyzing trace with hash -386296984, now seen corresponding path program 2 times [2018-10-12 20:58:57,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:58:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:58:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 20:58:59,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:58:59,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-10-12 20:58:59,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-12 20:58:59,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-12 20:58:59,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1249, Unknown=0, NotChecked=0, Total=1332 [2018-10-12 20:58:59,842 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 37 states. [2018-10-12 20:59:01,426 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-10-12 20:59:01,909 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-12 20:59:02,208 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-10-12 20:59:02,875 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2018-10-12 20:59:03,193 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2018-10-12 20:59:03,520 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2018-10-12 20:59:04,026 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-10-12 20:59:04,422 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-10-12 20:59:04,947 WARN L178 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2018-10-12 20:59:05,474 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2018-10-12 20:59:05,964 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2018-10-12 20:59:06,436 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2018-10-12 20:59:07,134 WARN L178 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2018-10-12 20:59:07,696 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2018-10-12 20:59:07,942 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-10-12 20:59:08,154 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-12 20:59:08,364 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-12 20:59:08,624 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-12 20:59:08,831 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-10-12 20:59:09,088 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-12 20:59:09,399 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-12 20:59:09,702 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-12 20:59:09,975 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-10-12 20:59:10,255 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-10-12 20:59:10,596 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-10-12 20:59:10,918 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-10-12 20:59:11,351 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-12 20:59:11,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:59:11,503 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-10-12 20:59:11,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-12 20:59:11,504 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 107 [2018-10-12 20:59:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:59:11,507 INFO L225 Difference]: With dead ends: 154 [2018-10-12 20:59:11,508 INFO L226 Difference]: Without dead ends: 154 [2018-10-12 20:59:11,512 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 [2018-10-12 20:59:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-10-12 20:59:11,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2018-10-12 20:59:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-12 20:59:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-10-12 20:59:11,533 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 107 [2018-10-12 20:59:11,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:59:11,534 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-10-12 20:59:11,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-10-12 20:59:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-10-12 20:59:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-12 20:59:11,536 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:59:11,536 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] [2018-10-12 20:59:11,537 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:59:11,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:59:11,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1709452524, now seen corresponding path program 3 times [2018-10-12 20:59:11,538 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:59:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:59:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-12 20:59:13,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:59:13,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-10-12 20:59:13,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-10-12 20:59:13,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-10-12 20:59:13,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2018-10-12 20:59:13,405 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 40 states. [2018-10-12 20:59:14,472 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-12 20:59:14,754 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-10-12 20:59:14,946 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-12 20:59:15,165 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-12 20:59:15,389 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-12 20:59:15,622 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2018-10-12 20:59:15,868 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-10-12 20:59:16,139 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-10-12 20:59:16,704 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2018-10-12 20:59:17,082 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-10-12 20:59:17,487 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 118 [2018-10-12 20:59:17,886 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 115 [2018-10-12 20:59:18,345 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 118 [2018-10-12 20:59:18,826 WARN L178 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 121 [2018-10-12 20:59:19,346 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2018-10-12 20:59:19,756 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 120 [2018-10-12 20:59:20,016 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-12 20:59:20,226 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-10-12 20:59:20,410 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-12 20:59:20,577 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-12 20:59:20,822 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-12 20:59:21,041 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2018-10-12 20:59:21,362 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2018-10-12 20:59:21,969 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2018-10-12 20:59:22,393 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 97 [2018-10-12 20:59:22,807 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2018-10-12 20:59:23,068 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-12 20:59:23,295 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-12 20:59:23,511 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-10-12 20:59:23,702 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-12 20:59:23,964 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2018-10-12 20:59:24,297 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2018-10-12 20:59:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:59:24,311 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-10-12 20:59:24,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-10-12 20:59:24,314 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 131 [2018-10-12 20:59:24,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:59:24,315 INFO L225 Difference]: With dead ends: 130 [2018-10-12 20:59:24,315 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 20:59:24,317 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1343, Invalid=5463, Unknown=0, NotChecked=0, Total=6806 [2018-10-12 20:59:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 20:59:24,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 20:59:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 20:59:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 20:59:24,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 131 [2018-10-12 20:59:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:59:24,318 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 20:59:24,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-10-12 20:59:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 20:59:24,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 20:59:24,323 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 12.10 08:59:24 BoogieIcfgContainer [2018-10-12 20:59:24,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 20:59:24,324 INFO L168 Benchmark]: Toolchain (without parser) took 35048.45 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 361.2 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 415.9 MB). Peak memory consumption was 777.1 MB. Max. memory is 7.1 GB. [2018-10-12 20:59:24,326 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 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. [2018-10-12 20:59:24,326 INFO L168 Benchmark]: Boogie Preprocessor took 53.49 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. [2018-10-12 20:59:24,327 INFO L168 Benchmark]: RCFGBuilder took 647.45 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. [2018-10-12 20:59:24,327 INFO L168 Benchmark]: TraceAbstraction took 34343.40 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 361.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 384.2 MB). Peak memory consumption was 745.4 MB. Max. memory is 7.1 GB. [2018-10-12 20:59:24,331 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 0.14 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 53.49 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 647.45 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 34343.40 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 361.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 384.2 MB). Peak memory consumption was 745.4 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, 34.2s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 28.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 230 SDtfs, 3492 SDslu, 2768 SDs, 0 SdLazy, 3737 SolverSat, 254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1812 ImplicationChecksByTransitivity, 26.5s 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, 5.3s 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-0-2018-10-12_20-59-24-343.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-0-2018-10-12_20-59-24-343.csv Received shutdown request...