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/960521-1_1_false-valid-free.i_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 20:44:21,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 20:44:21,756 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 20:44:21,774 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 20:44:21,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 20:44:21,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 20:44:21,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 20:44:21,779 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 20:44:21,781 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 20:44:21,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 20:44:21,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 20:44:21,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 20:44:21,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 20:44:21,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 20:44:21,786 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 20:44:21,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 20:44:21,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 20:44:21,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 20:44:21,792 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 20:44:21,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 20:44:21,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 20:44:21,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 20:44:21,799 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 20:44:21,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 20:44:21,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 20:44:21,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 20:44:21,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 20:44:21,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 20:44:21,804 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 20:44:21,805 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 20:44:21,805 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 20:44:21,806 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-12 20:44:21,809 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 20:44:21,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 20:44:21,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 20:44:21,821 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 20:44:21,821 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 20:44:21,821 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 20:44:21,821 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 20:44:21,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 20:44:21,822 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 20:44:21,822 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 20:44:21,822 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 20:44:21,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 20:44:21,823 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 20:44:21,823 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 20:44:21,824 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 20:44:21,824 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 20:44:21,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 20:44:21,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 20:44:21,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 20:44:21,887 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 20:44:21,888 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 20:44:21,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_1_false-valid-free.i_12.bpl [2018-10-12 20:44:21,889 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_1_false-valid-free.i_12.bpl' [2018-10-12 20:44:21,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 20:44:21,991 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 20:44:21,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 20:44:21,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 20:44:21,993 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 20:44:22,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/1) ... [2018-10-12 20:44:22,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/1) ... [2018-10-12 20:44:22,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/1) ... [2018-10-12 20:44:22,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/1) ... [2018-10-12 20:44:22,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/1) ... [2018-10-12 20:44:22,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/1) ... [2018-10-12 20:44:22,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/1) ... [2018-10-12 20:44:22,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 20:44:22,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 20:44:22,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 20:44:22,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 20:44:22,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (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 20:44:22,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 20:44:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 20:44:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 20:44:22,683 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 20:44:22,683 INFO L202 PluginConnector]: Adding new model 960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:44:22 BoogieIcfgContainer [2018-10-12 20:44:22,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 20:44:22,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 20:44:22,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 20:44:22,689 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 20:44:22,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 08:44:21" (1/2) ... [2018-10-12 20:44:22,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b78675a and model type 960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:44:22, skipping insertion in model container [2018-10-12 20:44:22,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:44:22" (2/2) ... [2018-10-12 20:44:22,693 INFO L112 eAbstractionObserver]: Analyzing ICFG 960521-1_1_false-valid-free.i_12.bpl [2018-10-12 20:44:22,703 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 20:44:22,712 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 20:44:22,730 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 20:44:22,767 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 20:44:22,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 20:44:22,769 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 20:44:22,769 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 20:44:22,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 20:44:22,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 20:44:22,769 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 20:44:22,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 20:44:22,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 20:44:22,794 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-10-12 20:44:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-12 20:44:22,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:44:22,820 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:44:22,822 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:44:22,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:44:22,830 INFO L82 PathProgramCache]: Analyzing trace with hash 2143837203, now seen corresponding path program 1 times [2018-10-12 20:44:22,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:44:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:44:23,201 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 20:44:23,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 20:44:23,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-12 20:44:23,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-12 20:44:23,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-12 20:44:23,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 20:44:23,231 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 4 states. [2018-10-12 20:44:23,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:44:23,483 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-10-12 20:44:23,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-12 20:44:23,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2018-10-12 20:44:23,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:44:23,507 INFO L225 Difference]: With dead ends: 92 [2018-10-12 20:44:23,507 INFO L226 Difference]: Without dead ends: 92 [2018-10-12 20:44:23,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 20:44:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-12 20:44:23,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 82. [2018-10-12 20:44:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-10-12 20:44:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-12 20:44:23,571 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 69 [2018-10-12 20:44:23,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:44:23,574 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-10-12 20:44:23,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-12 20:44:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-12 20:44:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-12 20:44:23,579 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 20:44:23,582 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 20:44:23,582 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 20:44:23,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 20:44:23,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1554831731, now seen corresponding path program 1 times [2018-10-12 20:44:23,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 20:44:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 20:44:24,720 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-12 20:44:25,514 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 9 [2018-10-12 20:44:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 20:44:25,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 20:44:25,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-10-12 20:44:25,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-12 20:44:25,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-12 20:44:25,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2018-10-12 20:44:25,622 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 27 states. [2018-10-12 20:44:27,632 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-10-12 20:44:28,193 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-10-12 20:44:28,321 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-10-12 20:44:28,469 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-12 20:44:29,019 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-10-12 20:44:29,308 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2018-10-12 20:44:29,457 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2018-10-12 20:44:29,758 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2018-10-12 20:44:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 20:44:29,759 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-10-12 20:44:29,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-12 20:44:29,760 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 81 [2018-10-12 20:44:29,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 20:44:29,763 INFO L225 Difference]: With dead ends: 74 [2018-10-12 20:44:29,763 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 20:44:29,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=517, Invalid=1933, Unknown=0, NotChecked=0, Total=2450 [2018-10-12 20:44:29,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 20:44:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 20:44:29,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 20:44:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 20:44:29,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2018-10-12 20:44:29,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 20:44:29,766 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 20:44:29,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-12 20:44:29,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 20:44:29,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 20:44:29,771 INFO L202 PluginConnector]: Adding new model 960521-1_1_false-valid-free.i_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:44:29 BoogieIcfgContainer [2018-10-12 20:44:29,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 20:44:29,772 INFO L168 Benchmark]: Toolchain (without parser) took 7782.05 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.5 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2018-10-12 20:44:29,774 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 20:44:29,779 INFO L168 Benchmark]: Boogie Preprocessor took 57.47 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 20:44:29,779 INFO L168 Benchmark]: RCFGBuilder took 633.39 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-12 20:44:29,780 INFO L168 Benchmark]: TraceAbstraction took 7086.53 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 2.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-12 20:44:29,785 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 0.23 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 57.47 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 633.39 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7086.53 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 2.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 147]: 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, 83 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 105 SDtfs, 616 SDslu, 393 SDs, 0 SdLazy, 596 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 79296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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/960521-1_1_false-valid-free.i_12.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_20-44-29-806.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-free.i_12.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_20-44-29-806.csv Received shutdown request...