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_true-valid-memsafety_true-termination.i_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:15:53,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:15:53,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:15:53,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:15:53,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:15:53,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:15:53,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:15:53,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:15:53,808 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:15:53,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:15:53,810 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-12 21:15:53,834 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 21:15:53,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:15:53,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:15:53,845 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:15:53,845 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:15:53,846 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:15:53,846 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:15:53,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:15:53,847 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:15:53,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:15:53,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:15:53,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:15:53,848 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:15:53,848 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:15:53,848 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:15:53,849 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:15:53,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:15:53,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:15:53,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:15:53,911 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:15:53,911 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:15:53,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl [2018-10-12 21:15:53,913 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl' [2018-10-12 21:15:54,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:15:54,002 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:15:54,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:15:54,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:15:54,003 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:15:54,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/1) ... [2018-10-12 21:15:54,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/1) ... [2018-10-12 21:15:54,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/1) ... [2018-10-12 21:15:54,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/1) ... [2018-10-12 21:15:54,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/1) ... [2018-10-12 21:15:54,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/1) ... [2018-10-12 21:15:54,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/1) ... [2018-10-12 21:15:54,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:15:54,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:15:54,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:15:54,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:15:54,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (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 21:15:54,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:15:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:15:54,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:15:55,014 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:15:55,016 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:55 BoogieIcfgContainer [2018-10-12 21:15:55,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:15:55,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:15:55,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:15:55,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:15:55,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:15:53" (1/2) ... [2018-10-12 21:15:55,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f767953 and model type test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:15:55, skipping insertion in model container [2018-10-12 21:15:55,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:15:55" (2/2) ... [2018-10-12 21:15:55,024 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl [2018-10-12 21:15:55,034 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:15:55,043 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:15:55,067 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:15:55,096 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:15:55,097 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:15:55,097 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:15:55,097 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:15:55,098 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:15:55,098 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:15:55,098 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:15:55,098 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:15:55,098 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:15:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-10-12 21:15:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-12 21:15:55,134 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:55,135 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] [2018-10-12 21:15:55,137 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:55,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:55,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1287225909, now seen corresponding path program 1 times [2018-10-12 21:15:55,198 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:55,600 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 21:15:55,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:15:55,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-12 21:15:55,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-12 21:15:55,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-12 21:15:55,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-12 21:15:55,631 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 4 states. [2018-10-12 21:15:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:55,921 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-10-12 21:15:55,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-12 21:15:55,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2018-10-12 21:15:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:55,938 INFO L225 Difference]: With dead ends: 138 [2018-10-12 21:15:55,938 INFO L226 Difference]: Without dead ends: 138 [2018-10-12 21:15:55,940 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 21:15:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-10-12 21:15:55,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2018-10-12 21:15:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-10-12 21:15:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-10-12 21:15:55,992 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 132 [2018-10-12 21:15:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:55,993 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-10-12 21:15:55,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-12 21:15:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-10-12 21:15:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-12 21:15:55,998 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:55,998 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] [2018-10-12 21:15:56,000 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:56,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:56,000 INFO L82 PathProgramCache]: Analyzing trace with hash -570726844, now seen corresponding path program 1 times [2018-10-12 21:15:56,001 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:56,252 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 21:15:56,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:56,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-12 21:15:56,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-12 21:15:56,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-12 21:15:56,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-12 21:15:56,256 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 5 states. [2018-10-12 21:15:56,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:56,515 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-10-12 21:15:56,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-12 21:15:56,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-10-12 21:15:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:56,521 INFO L225 Difference]: With dead ends: 141 [2018-10-12 21:15:56,521 INFO L226 Difference]: Without dead ends: 141 [2018-10-12 21:15:56,524 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 [2018-10-12 21:15:56,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-12 21:15:56,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-10-12 21:15:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-12 21:15:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-10-12 21:15:56,538 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 135 [2018-10-12 21:15:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:56,539 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-10-12 21:15:56,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-12 21:15:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-10-12 21:15:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-12 21:15:56,542 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:56,542 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] [2018-10-12 21:15:56,543 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:56,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:56,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1334542549, now seen corresponding path program 2 times [2018-10-12 21:15:56,544 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:56,782 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 21:15:56,782 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:56,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-12 21:15:56,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-12 21:15:56,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-12 21:15:56,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-12 21:15:56,784 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 6 states. [2018-10-12 21:15:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:56,905 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-10-12 21:15:56,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-12 21:15:56,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-12 21:15:56,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:56,910 INFO L225 Difference]: With dead ends: 144 [2018-10-12 21:15:56,911 INFO L226 Difference]: Without dead ends: 144 [2018-10-12 21:15:56,911 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 21:15:56,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-10-12 21:15:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142. [2018-10-12 21:15:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-12 21:15:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-10-12 21:15:56,921 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 138 [2018-10-12 21:15:56,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:56,921 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-10-12 21:15:56,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-12 21:15:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-10-12 21:15:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-12 21:15:56,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:56,924 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] [2018-10-12 21:15:56,925 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:56,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:56,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1431475996, now seen corresponding path program 3 times [2018-10-12 21:15:56,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:15:57,207 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 21:15:57,207 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:15:57,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-12 21:15:57,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-12 21:15:57,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-12 21:15:57,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-12 21:15:57,209 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 7 states. [2018-10-12 21:15:57,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:15:57,804 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-10-12 21:15:57,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-12 21:15:57,805 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2018-10-12 21:15:57,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:15:57,807 INFO L225 Difference]: With dead ends: 145 [2018-10-12 21:15:57,807 INFO L226 Difference]: Without dead ends: 145 [2018-10-12 21:15:57,808 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 [2018-10-12 21:15:57,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-10-12 21:15:57,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-10-12 21:15:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-10-12 21:15:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-10-12 21:15:57,818 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 141 [2018-10-12 21:15:57,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:15:57,819 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-10-12 21:15:57,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-12 21:15:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-10-12 21:15:57,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-12 21:15:57,822 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:15:57,822 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] [2018-10-12 21:15:57,823 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:15:57,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:15:57,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1337194635, now seen corresponding path program 4 times [2018-10-12 21:15:57,824 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:15:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:16:00,181 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2018-10-12 21:16:00,420 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2018-10-12 21:16:01,549 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 21:16:01,550 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:16:01,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-10-12 21:16:01,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-10-12 21:16:01,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-10-12 21:16:01,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=912, Unknown=0, NotChecked=0, Total=992 [2018-10-12 21:16:01,552 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 32 states. [2018-10-12 21:16:03,478 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-10-12 21:16:05,251 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2018-10-12 21:16:05,563 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2018-10-12 21:16:05,914 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2018-10-12 21:16:06,198 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2018-10-12 21:16:06,539 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2018-10-12 21:16:06,855 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2018-10-12 21:16:07,164 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2018-10-12 21:16:07,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:16:07,165 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-12 21:16:07,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-12 21:16:07,166 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 144 [2018-10-12 21:16:07,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:16:07,167 INFO L225 Difference]: With dead ends: 134 [2018-10-12 21:16:07,167 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:16:07,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 10 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2018-10-12 21:16:07,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:16:07,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:16:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:16:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:16:07,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2018-10-12 21:16:07,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:16:07,170 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:16:07,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-10-12 21:16:07,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:16:07,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:16:07,175 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:16:07 BoogieIcfgContainer [2018-10-12 21:16:07,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:16:07,176 INFO L168 Benchmark]: Toolchain (without parser) took 13175.35 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 112.7 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 11.4 MB). Peak memory consumption was 124.1 MB. Max. memory is 7.1 GB. [2018-10-12 21:16:07,178 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 21:16:07,179 INFO L168 Benchmark]: Boogie Preprocessor took 93.00 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 21:16:07,180 INFO L168 Benchmark]: RCFGBuilder took 919.74 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 21:16:07,181 INFO L168 Benchmark]: TraceAbstraction took 12158.46 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 112.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -30.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2018-10-12 21:16:07,185 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 93.00 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 919.74 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 12158.46 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 112.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -30.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 205]: 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, 137 locations, 1 error locations. SAFE Result, 12.0s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 557 SDtfs, 1164 SDslu, 1778 SDs, 0 SdLazy, 1596 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 14 SyntacticMatches, 10 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=4, 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 690 NumberOfCodeBlocks, 690 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 685 ConstructedInterpolants, 0 QuantifiedInterpolants, 503645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/40 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_true-valid-memsafety_true-termination.i_19.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-16-07-197.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_true-valid-memsafety_true-termination.i_19.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-16-07-197.csv Received shutdown request...