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/test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:56:08,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:56:08,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:56:08,741 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:56:08,741 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:56:08,742 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:56:08,743 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:56:08,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:56:08,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:56:08,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:56:08,748 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-14 16:56:08,779 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 16:56:08,796 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:56:08,796 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:56:08,797 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:56:08,797 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:56:08,801 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:56:08,801 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:56:08,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:56:08,802 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:56:08,802 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:56:08,802 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:56:08,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:56:08,803 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:56:08,803 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:56:08,805 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:56:08,805 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:56:08,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:56:08,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:56:08,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:56:08,869 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:56:08,869 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:56:08,870 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl [2018-10-14 16:56:08,870 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl' [2018-10-14 16:56:08,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:56:08,944 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:56:08,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:56:08,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:56:08,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:56:08,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/1) ... [2018-10-14 16:56:08,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/1) ... [2018-10-14 16:56:08,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/1) ... [2018-10-14 16:56:08,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/1) ... [2018-10-14 16:56:09,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/1) ... [2018-10-14 16:56:09,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/1) ... [2018-10-14 16:56:09,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/1) ... [2018-10-14 16:56:09,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:56:09,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:56:09,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:56:09,021 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:56:09,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (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 16:56:09,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:56:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:56:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:56:09,660 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:56:09,661 INFO L202 PluginConnector]: Adding new model test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:56:09 BoogieIcfgContainer [2018-10-14 16:56:09,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:56:09,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:56:09,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:56:09,665 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:56:09,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:56:08" (1/2) ... [2018-10-14 16:56:09,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aba956f and model type test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:56:09, skipping insertion in model container [2018-10-14 16:56:09,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:56:09" (2/2) ... [2018-10-14 16:56:09,668 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl [2018-10-14 16:56:09,679 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:56:09,688 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:56:09,705 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:56:09,735 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:56:09,736 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:56:09,736 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:56:09,736 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:56:09,736 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:56:09,736 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:56:09,736 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:56:09,737 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:56:09,737 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:56:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-10-14 16:56:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-14 16:56:09,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:09,771 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, 1, 1, 1, 1, 1, 1] [2018-10-14 16:56:09,772 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:09,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:09,778 INFO L82 PathProgramCache]: Analyzing trace with hash -979291157, now seen corresponding path program 1 times [2018-10-14 16:56:09,843 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:10,278 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 16:56:10,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:56:10,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-14 16:56:10,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-14 16:56:10,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-14 16:56:10,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:56:10,307 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 4 states. [2018-10-14 16:56:10,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:10,539 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-10-14 16:56:10,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-14 16:56:10,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2018-10-14 16:56:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:10,557 INFO L225 Difference]: With dead ends: 93 [2018-10-14 16:56:10,558 INFO L226 Difference]: Without dead ends: 93 [2018-10-14 16:56:10,560 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:56:10,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-10-14 16:56:10,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2018-10-14 16:56:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-14 16:56:10,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-10-14 16:56:10,613 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 87 [2018-10-14 16:56:10,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:10,614 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-10-14 16:56:10,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-14 16:56:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-10-14 16:56:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-14 16:56:10,617 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:10,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:56:10,618 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:10,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:10,619 INFO L82 PathProgramCache]: Analyzing trace with hash 284097426, now seen corresponding path program 1 times [2018-10-14 16:56:10,620 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:10,823 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 16:56:10,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:10,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-14 16:56:10,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-14 16:56:10,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-14 16:56:10,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-14 16:56:10,829 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 5 states. [2018-10-14 16:56:10,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:10,959 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-10-14 16:56:10,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-14 16:56:10,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2018-10-14 16:56:10,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:10,963 INFO L225 Difference]: With dead ends: 96 [2018-10-14 16:56:10,963 INFO L226 Difference]: Without dead ends: 96 [2018-10-14 16:56:10,964 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:56:10,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-14 16:56:10,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2018-10-14 16:56:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-10-14 16:56:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-10-14 16:56:10,974 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 90 [2018-10-14 16:56:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:10,976 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-10-14 16:56:10,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-14 16:56:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-10-14 16:56:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-14 16:56:10,978 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:10,978 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-14 16:56:10,978 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:10,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:10,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1094958731, now seen corresponding path program 2 times [2018-10-14 16:56:10,982 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:11,244 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:11,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-14 16:56:11,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 16:56:11,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 16:56:11,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:56:11,246 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 6 states. [2018-10-14 16:56:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:11,378 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-10-14 16:56:11,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 16:56:11,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-10-14 16:56:11,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:11,382 INFO L225 Difference]: With dead ends: 99 [2018-10-14 16:56:11,382 INFO L226 Difference]: Without dead ends: 99 [2018-10-14 16:56:11,383 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:56:11,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-14 16:56:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2018-10-14 16:56:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-14 16:56:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-14 16:56:11,392 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 93 [2018-10-14 16:56:11,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:11,393 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-10-14 16:56:11,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 16:56:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-14 16:56:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-14 16:56:11,395 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:11,395 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:11,395 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:11,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:11,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1726944014, now seen corresponding path program 3 times [2018-10-14 16:56:11,397 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:11,572 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:11,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-14 16:56:11,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-14 16:56:11,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-14 16:56:11,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:56:11,574 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 7 states. [2018-10-14 16:56:12,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:12,072 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-10-14 16:56:12,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-14 16:56:12,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-10-14 16:56:12,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:12,076 INFO L225 Difference]: With dead ends: 102 [2018-10-14 16:56:12,076 INFO L226 Difference]: Without dead ends: 102 [2018-10-14 16:56:12,080 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:56:12,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-10-14 16:56:12,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2018-10-14 16:56:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-14 16:56:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-10-14 16:56:12,089 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 96 [2018-10-14 16:56:12,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:12,090 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-10-14 16:56:12,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-14 16:56:12,090 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-10-14 16:56:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-14 16:56:12,092 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:12,092 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:12,092 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:12,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:12,093 INFO L82 PathProgramCache]: Analyzing trace with hash 658231595, now seen corresponding path program 4 times [2018-10-14 16:56:12,094 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:12,344 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:12,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-14 16:56:12,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 16:56:12,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 16:56:12,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:56:12,346 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 8 states. [2018-10-14 16:56:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:12,878 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-10-14 16:56:12,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 16:56:12,879 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-10-14 16:56:12,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:12,881 INFO L225 Difference]: With dead ends: 105 [2018-10-14 16:56:12,881 INFO L226 Difference]: Without dead ends: 105 [2018-10-14 16:56:12,882 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2018-10-14 16:56:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-14 16:56:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-10-14 16:56:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-14 16:56:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-10-14 16:56:12,890 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 99 [2018-10-14 16:56:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:12,890 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-10-14 16:56:12,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 16:56:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-10-14 16:56:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-14 16:56:12,892 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:12,893 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:12,893 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:12,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:12,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1485854290, now seen corresponding path program 5 times [2018-10-14 16:56:12,894 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:13,110 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:13,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-10-14 16:56:13,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-14 16:56:13,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-14 16:56:13,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-10-14 16:56:13,112 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 9 states. [2018-10-14 16:56:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:13,316 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-10-14 16:56:13,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-14 16:56:13,317 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2018-10-14 16:56:13,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:13,319 INFO L225 Difference]: With dead ends: 108 [2018-10-14 16:56:13,320 INFO L226 Difference]: Without dead ends: 108 [2018-10-14 16:56:13,320 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2018-10-14 16:56:13,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-14 16:56:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2018-10-14 16:56:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-14 16:56:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-10-14 16:56:13,328 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 102 [2018-10-14 16:56:13,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:13,328 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-10-14 16:56:13,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-14 16:56:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-10-14 16:56:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-14 16:56:13,330 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:13,331 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:13,334 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:13,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:13,334 INFO L82 PathProgramCache]: Analyzing trace with hash -213685301, now seen corresponding path program 6 times [2018-10-14 16:56:13,335 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:13,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:13,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-10-14 16:56:13,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-14 16:56:13,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-14 16:56:13,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:56:13,745 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 10 states. [2018-10-14 16:56:14,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:14,013 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-10-14 16:56:14,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-14 16:56:14,013 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-10-14 16:56:14,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:14,015 INFO L225 Difference]: With dead ends: 111 [2018-10-14 16:56:14,015 INFO L226 Difference]: Without dead ends: 111 [2018-10-14 16:56:14,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2018-10-14 16:56:14,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-10-14 16:56:14,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2018-10-14 16:56:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-14 16:56:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-10-14 16:56:14,025 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 105 [2018-10-14 16:56:14,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:14,025 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-10-14 16:56:14,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-14 16:56:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-10-14 16:56:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-14 16:56:14,028 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:14,029 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:14,029 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:14,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:14,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2123155534, now seen corresponding path program 7 times [2018-10-14 16:56:14,030 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:14,871 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:14,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-10-14 16:56:14,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-14 16:56:14,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-14 16:56:14,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2018-10-14 16:56:14,873 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 11 states. [2018-10-14 16:56:15,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:15,101 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-10-14 16:56:15,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-14 16:56:15,102 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2018-10-14 16:56:15,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:15,104 INFO L225 Difference]: With dead ends: 114 [2018-10-14 16:56:15,104 INFO L226 Difference]: Without dead ends: 114 [2018-10-14 16:56:15,105 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2018-10-14 16:56:15,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-14 16:56:15,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2018-10-14 16:56:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-14 16:56:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-10-14 16:56:15,111 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 108 [2018-10-14 16:56:15,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:15,112 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-10-14 16:56:15,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-14 16:56:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-10-14 16:56:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-14 16:56:15,114 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:15,114 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:15,114 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:15,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:15,115 INFO L82 PathProgramCache]: Analyzing trace with hash -309031317, now seen corresponding path program 8 times [2018-10-14 16:56:15,115 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:15,559 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:15,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-10-14 16:56:15,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-14 16:56:15,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-14 16:56:15,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2018-10-14 16:56:15,561 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 12 states. [2018-10-14 16:56:15,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:15,932 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-10-14 16:56:15,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-14 16:56:15,933 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2018-10-14 16:56:15,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:15,934 INFO L225 Difference]: With dead ends: 117 [2018-10-14 16:56:15,934 INFO L226 Difference]: Without dead ends: 117 [2018-10-14 16:56:15,935 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=226, Unknown=0, NotChecked=0, Total=380 [2018-10-14 16:56:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-14 16:56:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2018-10-14 16:56:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-14 16:56:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-10-14 16:56:15,941 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 111 [2018-10-14 16:56:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:15,942 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-10-14 16:56:15,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-14 16:56:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-10-14 16:56:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-14 16:56:15,943 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:15,943 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:15,944 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:15,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:15,944 INFO L82 PathProgramCache]: Analyzing trace with hash 692031762, now seen corresponding path program 9 times [2018-10-14 16:56:15,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:16,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:16,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-10-14 16:56:16,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-14 16:56:16,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-14 16:56:16,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2018-10-14 16:56:16,163 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 13 states. [2018-10-14 16:56:16,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:16,584 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-10-14 16:56:16,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-14 16:56:16,584 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 114 [2018-10-14 16:56:16,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:16,585 INFO L225 Difference]: With dead ends: 118 [2018-10-14 16:56:16,585 INFO L226 Difference]: Without dead ends: 118 [2018-10-14 16:56:16,586 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=276, Unknown=0, NotChecked=0, Total=462 [2018-10-14 16:56:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-10-14 16:56:16,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-10-14 16:56:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-10-14 16:56:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-10-14 16:56:16,590 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 114 [2018-10-14 16:56:16,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:16,590 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-10-14 16:56:16,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-14 16:56:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-10-14 16:56:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-14 16:56:16,592 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:16,592 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:56:16,592 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:16,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:16,593 INFO L82 PathProgramCache]: Analyzing trace with hash -890685173, now seen corresponding path program 10 times [2018-10-14 16:56:16,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-10-14 16:56:16,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:56:16,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-14 16:56:16,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 16:56:16,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 16:56:16,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:56:16,852 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 8 states. [2018-10-14 16:56:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:17,230 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-10-14 16:56:17,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 16:56:17,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2018-10-14 16:56:17,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:17,234 INFO L225 Difference]: With dead ends: 116 [2018-10-14 16:56:17,234 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:56:17,234 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-14 16:56:17,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:56:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:56:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:56:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:56:17,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2018-10-14 16:56:17,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:17,236 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:56:17,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 16:56:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:56:17,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:56:17,243 INFO L202 PluginConnector]: Adding new model test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:56:17 BoogieIcfgContainer [2018-10-14 16:56:17,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:56:17,244 INFO L168 Benchmark]: Toolchain (without parser) took 8301.65 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 22.5 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 46.8 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. [2018-10-14 16:56:17,249 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. [2018-10-14 16:56:17,250 INFO L168 Benchmark]: Boogie Preprocessor took 71.67 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 16:56:17,250 INFO L168 Benchmark]: RCFGBuilder took 641.41 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. [2018-10-14 16:56:17,251 INFO L168 Benchmark]: TraceAbstraction took 7581.94 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 22.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2018-10-14 16:56:17,256 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 71.67 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 641.41 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 7581.94 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 22.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: 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, 92 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 11 OverallIterations, 10 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 895 SDtfs, 583 SDslu, 4451 SDs, 0 SdLazy, 675 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=10, 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, 11 MinimizatonAttempts, 18 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1122 NumberOfCodeBlocks, 1122 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1111 ConstructedInterpolants, 0 QuantifiedInterpolants, 251973 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 145/550 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/test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-56-17-272.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-3.1_true-valid-memsafety_true-termination.i_7.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-56-17-272.csv Received shutdown request...