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-read.c_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:23:12,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:23:12,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:23:12,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:23:12,631 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:23:12,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:23:12,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:23:12,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:23:12,637 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:23:12,637 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:23:12,638 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-10 15:23:12,663 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 15:23:12,673 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:23:12,673 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:23:12,674 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:23:12,675 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:23:12,675 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:23:12,675 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:23:12,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:23:12,676 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:23:12,676 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:23:12,676 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:23:12,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:23:12,677 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:23:12,677 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:23:12,678 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:23:12,678 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:23:12,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:23:12,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:23:12,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:23:12,739 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:23:12,739 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:23:12,740 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl [2018-10-10 15:23:12,740 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl' [2018-10-10 15:23:12,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:23:12,800 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:23:12,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:23:12,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:23:12,801 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:23:12,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/1) ... [2018-10-10 15:23:12,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/1) ... [2018-10-10 15:23:12,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/1) ... [2018-10-10 15:23:12,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/1) ... [2018-10-10 15:23:12,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/1) ... [2018-10-10 15:23:12,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/1) ... [2018-10-10 15:23:12,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/1) ... [2018-10-10 15:23:12,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:23:12,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:23:12,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:23:12,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:23:12,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (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 15:23:12,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:23:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:23:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:23:13,533 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:23:13,534 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:23:13 BoogieIcfgContainer [2018-10-10 15:23:13,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:23:13,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:23:13,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:23:13,541 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:23:13,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:23:12" (1/2) ... [2018-10-10 15:23:13,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4029d32e and model type ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:23:13, skipping insertion in model container [2018-10-10 15:23:13,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:23:13" (2/2) ... [2018-10-10 15:23:13,545 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl [2018-10-10 15:23:13,556 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:23:13,567 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:23:13,582 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:23:13,610 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:23:13,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:23:13,611 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:23:13,611 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:23:13,612 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:23:13,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:23:13,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:23:13,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:23:13,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:23:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-10-10 15:23:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-10 15:23:13,642 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:23:13,643 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 15:23:13,644 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:23:13,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:23:13,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1854524323, now seen corresponding path program 1 times [2018-10-10 15:23:13,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:23:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:23:13,846 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 15:23:13,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:23:13,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 15:23:13,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 15:23:13,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 15:23:13,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 15:23:13,871 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2018-10-10 15:23:13,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:23:13,972 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-10-10 15:23:13,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 15:23:13,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-10 15:23:13,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:23:13,986 INFO L225 Difference]: With dead ends: 67 [2018-10-10 15:23:13,987 INFO L226 Difference]: Without dead ends: 67 [2018-10-10 15:23:13,989 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 15:23:14,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-10-10 15:23:14,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2018-10-10 15:23:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-10 15:23:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-10-10 15:23:14,031 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 39 [2018-10-10 15:23:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:23:14,032 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-10-10 15:23:14,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 15:23:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-10-10 15:23:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-10 15:23:14,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:23:14,034 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 15:23:14,035 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:23:14,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:23:14,035 INFO L82 PathProgramCache]: Analyzing trace with hash -306683811, now seen corresponding path program 1 times [2018-10-10 15:23:14,036 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:23:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:23:14,181 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 15:23:14,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:23:14,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 15:23:14,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 15:23:14,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 15:23:14,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 15:23:14,185 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 5 states. [2018-10-10 15:23:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:23:14,594 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-10-10 15:23:14,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:23:14,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-10-10 15:23:14,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:23:14,598 INFO L225 Difference]: With dead ends: 82 [2018-10-10 15:23:14,599 INFO L226 Difference]: Without dead ends: 82 [2018-10-10 15:23:14,601 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 15:23:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-10-10 15:23:14,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2018-10-10 15:23:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-10-10 15:23:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-10 15:23:14,615 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 54 [2018-10-10 15:23:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:23:14,616 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-10-10 15:23:14,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 15:23:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-10 15:23:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-10 15:23:14,619 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:23:14,620 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 15:23:14,620 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:23:14,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:23:14,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1526038429, now seen corresponding path program 2 times [2018-10-10 15:23:14,622 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:23:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:23:15,065 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 15:23:15,066 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:23:15,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-10 15:23:15,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 15:23:15,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 15:23:15,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-10 15:23:15,069 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 10 states. [2018-10-10 15:23:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:23:15,793 INFO L93 Difference]: Finished difference Result 67 states and 66 transitions. [2018-10-10 15:23:15,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 15:23:15,793 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-10-10 15:23:15,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:23:15,795 INFO L225 Difference]: With dead ends: 67 [2018-10-10 15:23:15,795 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:23:15,796 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2018-10-10 15:23:15,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:23:15,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:23:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:23:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:23:15,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-10-10 15:23:15,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:23:15,798 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:23:15,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 15:23:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:23:15,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:23:15,804 INFO L202 PluginConnector]: Adding new model ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:23:15 BoogieIcfgContainer [2018-10-10 15:23:15,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:23:15,805 INFO L168 Benchmark]: Toolchain (without parser) took 3006.07 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 15:23:15,808 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 15:23:15,808 INFO L168 Benchmark]: Boogie Preprocessor took 53.69 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 15:23:15,809 INFO L168 Benchmark]: RCFGBuilder took 678.87 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 15:23:15,810 INFO L168 Benchmark]: TraceAbstraction took 2269.19 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 15:23:15,814 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 0.19 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 53.69 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 678.87 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 2269.19 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, 2.2s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 155 SDtfs, 124 SDslu, 396 SDs, 0 SdLazy, 141 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s 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, 25339 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-read.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-23-15-826.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_6.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-23-15-826.csv Received shutdown request...