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-2.1_false-valid-free.i_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:15:13,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:15:13,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:15:13,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:15:13,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:15:13,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:15:13,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:15:13,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:15:13,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:15:13,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:15:13,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:15:13,587 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:15:13,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:15:13,589 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:15:13,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:15:13,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:15:13,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:15:13,594 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:15:13,595 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:15:13,597 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:15:13,598 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:15:13,600 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:15:13,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-12 21:15:13,625 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 21:15:13,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:15:13,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:15:13,643 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:15:13,643 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:15:13,643 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:15:13,643 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:15:13,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:15:13,644 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:15:13,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:15:13,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:15:13,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:15:13,646 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:15:13,646 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:15:13,647 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:15:13,647 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:15:13,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:15:13,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:15:13,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:15:13,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:15:13,719 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:15:13,720 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_false-valid-free.i_19.bpl [2018-10-12 21:15:13,721 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2.1_false-valid-free.i_19.bpl' [2018-10-12 21:15:13,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:15:13,810 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:15:13,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:15:13,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:15:13,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:15:13,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/1) ... [2018-10-12 21:15:13,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/1) ... [2018-10-12 21:15:13,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/1) ... [2018-10-12 21:15:13,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/1) ... [2018-10-12 21:15:13,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/1) ... [2018-10-12 21:15:13,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/1) ... [2018-10-12 21:15:13,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/1) ... [2018-10-12 21:15:13,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:15:13,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:15:13,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:15:13,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:15:13,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (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 21:15:13,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:15:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:15:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:15:15,027 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:15:15,028 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:15 BoogieIcfgContainer [2018-10-12 21:15:15,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:15:15,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:15:15,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:15:15,033 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:15:15,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:13" (1/2) ... [2018-10-12 21:15:15,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5cf9ae and model type test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:15:15, skipping insertion in model container [2018-10-12 21:15:15,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:15" (2/2) ... [2018-10-12 21:15:15,036 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2.1_false-valid-free.i_19.bpl [2018-10-12 21:15:15,046 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:15:15,055 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:15:15,073 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:15:15,101 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:15:15,102 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:15:15,103 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:15:15,103 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:15:15,103 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:15:15,103 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:15:15,103 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:15:15,103 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:15:15,104 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:15:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-10-12 21:15:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-12 21:15:15,143 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:15,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:15,146 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:15,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:15,154 INFO L82 PathProgramCache]: Analyzing trace with hash -130042027, now seen corresponding path program 1 times [2018-10-12 21:15:15,214 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:15,623 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 21:15:15,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:15,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-12 21:15:15,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-12 21:15:15,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-12 21:15:15,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:15,652 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 4 states. [2018-10-12 21:15:15,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:15,760 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-10-12 21:15:15,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-12 21:15:15,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2018-10-12 21:15:15,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:15,777 INFO L225 Difference]: With dead ends: 158 [2018-10-12 21:15:15,778 INFO L226 Difference]: Without dead ends: 158 [2018-10-12 21:15:15,780 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 21:15:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-10-12 21:15:15,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2018-10-12 21:15:15,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-10-12 21:15:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-10-12 21:15:15,831 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 152 [2018-10-12 21:15:15,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:15,833 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-10-12 21:15:15,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-12 21:15:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-10-12 21:15:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-12 21:15:15,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:15,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:15,838 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:15,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:15,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1686803982, now seen corresponding path program 1 times [2018-10-12 21:15:15,839 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:16,122 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 21:15:16,123 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:16,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 21:15:16,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 21:15:16,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 21:15:16,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-12 21:15:16,126 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 5 states. [2018-10-12 21:15:16,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:16,345 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-10-12 21:15:16,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-12 21:15:16,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-10-12 21:15:16,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:16,350 INFO L225 Difference]: With dead ends: 161 [2018-10-12 21:15:16,350 INFO L226 Difference]: Without dead ends: 161 [2018-10-12 21:15:16,351 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:16,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-10-12 21:15:16,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2018-10-12 21:15:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-10-12 21:15:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-10-12 21:15:16,366 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 155 [2018-10-12 21:15:16,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:16,367 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-10-12 21:15:16,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 21:15:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-10-12 21:15:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-12 21:15:16,370 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:16,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:16,371 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:16,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:16,372 INFO L82 PathProgramCache]: Analyzing trace with hash -2126573387, now seen corresponding path program 2 times [2018-10-12 21:15:16,373 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:16,619 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:16,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-12 21:15:16,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 21:15:16,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 21:15:16,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:16,620 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 6 states. [2018-10-12 21:15:16,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:16,752 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-10-12 21:15:16,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 21:15:16,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-10-12 21:15:16,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:16,755 INFO L225 Difference]: With dead ends: 164 [2018-10-12 21:15:16,755 INFO L226 Difference]: Without dead ends: 164 [2018-10-12 21:15:16,756 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 [2018-10-12 21:15:16,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-10-12 21:15:16,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2018-10-12 21:15:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-10-12 21:15:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-10-12 21:15:16,767 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 158 [2018-10-12 21:15:16,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:16,768 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-10-12 21:15:16,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 21:15:16,768 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-10-12 21:15:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-12 21:15:16,771 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:16,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:16,771 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:16,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:16,772 INFO L82 PathProgramCache]: Analyzing trace with hash -271826770, now seen corresponding path program 3 times [2018-10-12 21:15:16,773 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:17,103 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:17,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-12 21:15:17,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-12 21:15:17,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-12 21:15:17,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-12 21:15:17,105 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 7 states. [2018-10-12 21:15:17,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:17,539 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-10-12 21:15:17,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-12 21:15:17,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2018-10-12 21:15:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:17,549 INFO L225 Difference]: With dead ends: 165 [2018-10-12 21:15:17,549 INFO L226 Difference]: Without dead ends: 165 [2018-10-12 21:15:17,550 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-12 21:15:17,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-10-12 21:15:17,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-10-12 21:15:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-10-12 21:15:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-10-12 21:15:17,567 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 161 [2018-10-12 21:15:17,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:17,568 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-10-12 21:15:17,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-12 21:15:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-10-12 21:15:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-12 21:15:17,576 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:17,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:17,579 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:17,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:17,579 INFO L82 PathProgramCache]: Analyzing trace with hash -269622763, now seen corresponding path program 4 times [2018-10-12 21:15:17,581 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:19,664 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-10-12 21:15:19,882 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-10-12 21:15:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:21,042 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:21,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-10-12 21:15:21,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-10-12 21:15:21,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-10-12 21:15:21,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2018-10-12 21:15:21,045 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 33 states. [2018-10-12 21:15:23,654 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-10-12 21:15:24,425 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-10-12 21:15:24,845 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-12 21:15:25,143 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2018-10-12 21:15:26,061 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2018-10-12 21:15:26,264 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-10-12 21:15:26,465 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2018-10-12 21:15:26,705 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-12 21:15:26,908 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2018-10-12 21:15:27,095 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-10-12 21:15:27,403 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2018-10-12 21:15:27,711 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-10-12 21:15:27,975 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2018-10-12 21:15:28,471 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2018-10-12 21:15:28,769 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2018-10-12 21:15:29,008 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2018-10-12 21:15:29,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:29,265 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-10-12 21:15:29,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-10-12 21:15:29,266 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 164 [2018-10-12 21:15:29,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:29,268 INFO L225 Difference]: With dead ends: 190 [2018-10-12 21:15:29,268 INFO L226 Difference]: Without dead ends: 168 [2018-10-12 21:15:29,270 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 5 SyntacticMatches, 10 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=791, Invalid=3115, Unknown=0, NotChecked=0, Total=3906 [2018-10-12 21:15:29,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-10-12 21:15:29,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-10-12 21:15:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-10-12 21:15:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-10-12 21:15:29,278 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 164 [2018-10-12 21:15:29,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:29,278 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-10-12 21:15:29,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-10-12 21:15:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-10-12 21:15:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-12 21:15:29,281 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:29,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:29,282 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:29,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:29,282 INFO L82 PathProgramCache]: Analyzing trace with hash 965440334, now seen corresponding path program 5 times [2018-10-12 21:15:29,283 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:15:29,957 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:29,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-12 21:15:29,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-12 21:15:29,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-12 21:15:29,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-12 21:15:29,958 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 8 states. [2018-10-12 21:15:30,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:30,037 INFO L93 Difference]: Finished difference Result 132 states and 131 transitions. [2018-10-12 21:15:30,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-12 21:15:30,038 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 167 [2018-10-12 21:15:30,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:30,038 INFO L225 Difference]: With dead ends: 132 [2018-10-12 21:15:30,039 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:15:30,039 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-12 21:15:30,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:15:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:15:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:15:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:15:30,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2018-10-12 21:15:30,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:30,041 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:15:30,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-12 21:15:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:15:30,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:15:30,046 INFO L202 PluginConnector]: Adding new model test-bitfields-2.1_false-valid-free.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:15:30 BoogieIcfgContainer [2018-10-12 21:15:30,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:15:30,047 INFO L168 Benchmark]: Toolchain (without parser) took 16238.76 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 124.8 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 350.5 MB). Peak memory consumption was 475.2 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:30,049 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 21:15:30,049 INFO L168 Benchmark]: Boogie Preprocessor took 100.48 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 21:15:30,050 INFO L168 Benchmark]: RCFGBuilder took 1116.43 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:30,051 INFO L168 Benchmark]: TraceAbstraction took 15016.79 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 124.8 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 308.2 MB). Peak memory consumption was 432.9 MB. Max. memory is 7.1 GB. [2018-10-12 21:15:30,054 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 0.21 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 100.48 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 1116.43 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15016.79 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 124.8 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 308.2 MB). Peak memory consumption was 432.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 224]: 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, 157 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 9.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 773 SDtfs, 1482 SDslu, 2525 SDs, 0 SdLazy, 2254 SolverSat, 229 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 15 SyntacticMatches, 10 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=5, 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, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 649448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 25/75 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-2.1_false-valid-free.i_19.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-15-30-066.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2.1_false-valid-free.i_19.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-15-30-066.csv Received shutdown request...