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_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:30:50,500 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:30:50,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:30:50,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:30:50,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:30:50,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:30:50,519 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:30:50,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:30:50,525 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:30:50,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:30:50,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:30:50,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:30:50,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:30:50,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:30:50,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:30:50,543 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:30:50,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:30:50,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:30:50,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:30:50,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:30:50,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:30:50,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:30:50,561 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:30:50,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:30:50,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:30:50,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:30:50,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:30:50,567 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:30:50,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:30:50,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:30:50,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:30:50,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 16:30:50,577 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:30:50,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:30:50,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:30:50,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:30:50,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:30:50,594 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:30:50,595 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:30:50,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:30:50,596 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:30:50,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:30:50,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:30:50,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:30:50,597 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:30:50,597 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:30:50,599 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:30:50,599 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:30:50,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:30:50,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:30:50,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:30:50,684 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:30:50,685 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:30:50,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl [2018-10-14 16:30:50,686 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl' [2018-10-14 16:30:50,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:30:50,778 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:30:50,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:30:50,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:30:50,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:30:50,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... [2018-10-14 16:30:50,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... [2018-10-14 16:30:50,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... [2018-10-14 16:30:50,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... [2018-10-14 16:30:50,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... [2018-10-14 16:30:50,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... [2018-10-14 16:30:50,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... [2018-10-14 16:30:50,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:30:50,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:30:50,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:30:50,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:30:50,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 16:30:50,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:30:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:30:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:30:51,471 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:30:51,473 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:30:51 BoogieIcfgContainer [2018-10-14 16:30:51,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:30:51,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:30:51,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:30:51,478 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:30:51,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:30:50" (1/2) ... [2018-10-14 16:30:51,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1186619b and model type ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:30:51, skipping insertion in model container [2018-10-14 16:30:51,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:30:51" (2/2) ... [2018-10-14 16:30:51,481 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl [2018-10-14 16:30:51,490 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:30:51,500 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:30:51,517 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:30:51,547 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:30:51,548 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:30:51,548 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:30:51,548 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:30:51,548 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:30:51,548 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:30:51,549 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:30:51,549 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:30:51,549 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:30:51,571 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-10-14 16:30:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-14 16:30:51,594 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:30:51,596 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] [2018-10-14 16:30:51,597 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:30:51,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:30:51,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1649905014, now seen corresponding path program 1 times [2018-10-14 16:30:51,663 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:30:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:30:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:30:51,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:30:51,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-14 16:30:51,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 16:30:51,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 16:30:51,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:30:51,987 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-10-14 16:30:52,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:30:52,368 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-10-14 16:30:52,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 16:30:52,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-10-14 16:30:52,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:30:52,383 INFO L225 Difference]: With dead ends: 74 [2018-10-14 16:30:52,383 INFO L226 Difference]: Without dead ends: 74 [2018-10-14 16:30:52,385 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:30:52,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-14 16:30:52,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2018-10-14 16:30:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-10-14 16:30:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-14 16:30:52,427 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 45 [2018-10-14 16:30:52,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:30:52,427 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-10-14 16:30:52,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 16:30:52,428 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-14 16:30:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-14 16:30:52,429 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:30:52,430 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] [2018-10-14 16:30:52,430 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:30:52,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:30:52,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1147356136, now seen corresponding path program 1 times [2018-10-14 16:30:52,432 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:30:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:30:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:30:52,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:30:52,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-14 16:30:52,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 16:30:52,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 16:30:52,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:30:52,725 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 8 states. [2018-10-14 16:30:53,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:30:53,170 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-10-14 16:30:53,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-14 16:30:53,171 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2018-10-14 16:30:53,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:30:53,173 INFO L225 Difference]: With dead ends: 76 [2018-10-14 16:30:53,173 INFO L226 Difference]: Without dead ends: 76 [2018-10-14 16:30:53,175 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:30:53,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-10-14 16:30:53,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-10-14 16:30:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-10-14 16:30:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-14 16:30:53,184 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 60 [2018-10-14 16:30:53,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:30:53,185 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-10-14 16:30:53,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 16:30:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-14 16:30:53,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-14 16:30:53,188 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:30:53,188 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-14 16:30:53,189 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:30:53,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:30:53,189 INFO L82 PathProgramCache]: Analyzing trace with hash 777413834, now seen corresponding path program 2 times [2018-10-14 16:30:53,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:30:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:30:54,394 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2018-10-14 16:30:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:30:55,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:30:55,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-10-14 16:30:55,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-14 16:30:55,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-14 16:30:55,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-10-14 16:30:55,091 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 19 states. [2018-10-14 16:30:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:30:55,867 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-10-14 16:30:55,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-14 16:30:55,871 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 75 [2018-10-14 16:30:55,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:30:55,873 INFO L225 Difference]: With dead ends: 74 [2018-10-14 16:30:55,873 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:30:55,875 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2018-10-14 16:30:55,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:30:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:30:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:30:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:30:55,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2018-10-14 16:30:55,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:30:55,878 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:30:55,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-14 16:30:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:30:55,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:30:55,882 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:30:55 BoogieIcfgContainer [2018-10-14 16:30:55,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:30:55,884 INFO L168 Benchmark]: Toolchain (without parser) took 5107.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 264.3 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. [2018-10-14 16:30:55,885 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:30:55,885 INFO L168 Benchmark]: Boogie Preprocessor took 73.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:30:55,886 INFO L168 Benchmark]: RCFGBuilder took 615.47 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-14 16:30:55,887 INFO L168 Benchmark]: TraceAbstraction took 4408.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 7.1 GB. [2018-10-14 16:30:55,890 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.60 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 615.47 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4408.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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, 62 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 588 SDslu, 319 SDs, 0 SdLazy, 238 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 148799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 16/18 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_9.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-30-55-902.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-write.c_9.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-30-55-902.csv Received shutdown request...