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/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:23:24,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:23:24,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:23:24,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:23:24,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:23:24,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:23:24,281 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:23:24,283 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:23:24,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:23:24,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:23:24,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-10 15:23:24,324 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:23:24,338 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:23:24,338 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:23:24,339 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:23:24,339 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:23:24,340 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:23:24,340 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:23:24,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:23:24,341 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:23:24,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:23:24,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:23:24,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:23:24,342 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:23:24,342 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:23:24,343 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:23:24,343 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:23:24,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:23:24,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:23:24,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:23:24,413 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:23:24,414 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:23:24,414 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl [2018-10-10 15:23:24,415 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl' [2018-10-10 15:23:24,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:23:24,476 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:23:24,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:23:24,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:23:24,477 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:23:24,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/1) ... [2018-10-10 15:23:24,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/1) ... [2018-10-10 15:23:24,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/1) ... [2018-10-10 15:23:24,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/1) ... [2018-10-10 15:23:24,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/1) ... [2018-10-10 15:23:24,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/1) ... [2018-10-10 15:23:24,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/1) ... [2018-10-10 15:23:24,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:23:24,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:23:24,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:23:24,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:23:24,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (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 [2018-10-10 15:23:24,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:23:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:23:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:23:25,103 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:23:25,104 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:23:25 BoogieIcfgContainer [2018-10-10 15:23:25,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:23:25,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:23:25,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:23:25,109 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:23:25,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:24" (1/2) ... [2018-10-10 15:23:25,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af915bf and model type ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:23:25, skipping insertion in model container [2018-10-10 15:23:25,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:23:25" (2/2) ... [2018-10-10 15:23:25,112 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl [2018-10-10 15:23:25,122 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:23:25,131 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:23:25,148 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:23:25,177 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:23:25,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:23:25,178 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:23:25,178 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:23:25,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:23:25,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:23:25,178 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:23:25,178 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:23:25,179 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:23:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-10-10 15:23:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-10 15:23:25,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:23:25,207 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] [2018-10-10 15:23:25,208 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:23:25,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:23:25,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1854524323, now seen corresponding path program 1 times [2018-10-10 15:23:25,276 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:23:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:23:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:23:25,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:23:25,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 15:23:25,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 15:23:25,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 15:23:25,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 15:23:25,437 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2018-10-10 15:23:25,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:23:25,551 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-10-10 15:23:25,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 15:23:25,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-10 15:23:25,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:23:25,564 INFO L225 Difference]: With dead ends: 67 [2018-10-10 15:23:25,565 INFO L226 Difference]: Without dead ends: 67 [2018-10-10 15:23:25,567 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 15:23:25,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-10-10 15:23:25,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2018-10-10 15:23:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-10 15:23:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-10-10 15:23:25,606 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 39 [2018-10-10 15:23:25,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:23:25,607 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-10-10 15:23:25,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 15:23:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-10-10 15:23:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-10 15:23:25,609 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:23:25,610 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] [2018-10-10 15:23:25,610 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:23:25,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:23:25,611 INFO L82 PathProgramCache]: Analyzing trace with hash -306683811, now seen corresponding path program 1 times [2018-10-10 15:23:25,612 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:23:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:23:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:23:25,780 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:23:25,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 15:23:25,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 15:23:25,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 15:23:25,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 15:23:25,784 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 5 states. [2018-10-10 15:23:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:23:26,153 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-10-10 15:23:26,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:23:26,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-10-10 15:23:26,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:23:26,156 INFO L225 Difference]: With dead ends: 82 [2018-10-10 15:23:26,156 INFO L226 Difference]: Without dead ends: 82 [2018-10-10 15:23:26,158 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-10 15:23:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-10-10 15:23:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2018-10-10 15:23:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-10-10 15:23:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-10 15:23:26,166 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 54 [2018-10-10 15:23:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:23:26,167 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-10-10 15:23:26,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 15:23:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-10 15:23:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-10 15:23:26,170 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:23:26,170 INFO L375 BasicCegarLoop]: trace histogram [3, 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] [2018-10-10 15:23:26,171 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:23:26,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:23:26,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1526038429, now seen corresponding path program 2 times [2018-10-10 15:23:26,173 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:23:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:23:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:23:26,573 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:23:26,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-10 15:23:26,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 15:23:26,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 15:23:26,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-10 15:23:26,577 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 10 states. [2018-10-10 15:23:27,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:23:27,315 INFO L93 Difference]: Finished difference Result 67 states and 66 transitions. [2018-10-10 15:23:27,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 15:23:27,315 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-10-10 15:23:27,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:23:27,317 INFO L225 Difference]: With dead ends: 67 [2018-10-10 15:23:27,317 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:23:27,318 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2018-10-10 15:23:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:23:27,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:23:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:23:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:23:27,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-10-10 15:23:27,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:23:27,320 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:23:27,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 15:23:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:23:27,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:23:27,326 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:23:27 BoogieIcfgContainer [2018-10-10 15:23:27,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:23:27,327 INFO L168 Benchmark]: Toolchain (without parser) took 2851.39 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-10-10 15:23:27,329 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 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. [2018-10-10 15:23:27,330 INFO L168 Benchmark]: Boogie Preprocessor took 49.82 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. [2018-10-10 15:23:27,330 INFO L168 Benchmark]: RCFGBuilder took 576.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 15:23:27,331 INFO L168 Benchmark]: TraceAbstraction took 2220.61 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2018-10-10 15:23:27,335 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 0.13 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 49.82 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 576.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2220.61 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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, 55 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 155 SDtfs, 124 SDslu, 425 SDs, 0 SdLazy, 144 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=2, 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, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 20987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 4/21 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/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-23-27-347.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_8.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-23-27-347.csv Received shutdown request...