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_false-valid-deref.i_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 15:48:27,999 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 15:48:28,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 15:48:28,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 15:48:28,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 15:48:28,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 15:48:28,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 15:48:28,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 15:48:28,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 15:48:28,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 15:48:28,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 15:48:28,026 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 15:48:28,027 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 15:48:28,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 15:48:28,030 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 15:48:28,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 15:48:28,031 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 15:48:28,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 15:48:28,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 15:48:28,037 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 15:48:28,038 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 15:48:28,039 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 15:48:28,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 15:48:28,042 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 15:48:28,042 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 15:48:28,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 15:48:28,044 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 15:48:28,045 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 15:48:28,046 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 15:48:28,047 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 15:48:28,047 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 15:48:28,048 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 15:48:28,050 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-10 15:48:28,066 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 15:48:28,067 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 15:48:28,067 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 15:48:28,068 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 15:48:28,068 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 15:48:28,068 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 15:48:28,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 15:48:28,070 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 15:48:28,070 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 15:48:28,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 15:48:28,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 15:48:28,071 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 15:48:28,071 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 15:48:28,072 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 15:48:28,072 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 15:48:28,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 15:48:28,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 15:48:28,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 15:48:28,145 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 15:48:28,145 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 15:48:28,146 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_false-valid-deref.i_15.bpl [2018-10-10 15:48:28,146 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_false-valid-deref.i_15.bpl' [2018-10-10 15:48:28,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 15:48:28,232 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-10 15:48:28,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 15:48:28,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 15:48:28,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 15:48:28,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... [2018-10-10 15:48:28,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... [2018-10-10 15:48:28,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... [2018-10-10 15:48:28,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... [2018-10-10 15:48:28,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... [2018-10-10 15:48:28,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... [2018-10-10 15:48:28,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... [2018-10-10 15:48:28,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 15:48:28,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 15:48:28,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 15:48:28,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 15:48:28,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-10 15:48:28,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 15:48:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 15:48:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 15:48:29,237 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 15:48:29,238 INFO L202 PluginConnector]: Adding new model test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:48:29 BoogieIcfgContainer [2018-10-10 15:48:29,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 15:48:29,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 15:48:29,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 15:48:29,243 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 15:48:29,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:48:28" (1/2) ... [2018-10-10 15:48:29,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc0e4e3 and model type test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:48:29, skipping insertion in model container [2018-10-10 15:48:29,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:48:29" (2/2) ... [2018-10-10 15:48:29,246 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_false-valid-deref.i_15.bpl [2018-10-10 15:48:29,257 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 15:48:29,266 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 15:48:29,283 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 15:48:29,313 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 15:48:29,314 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 15:48:29,314 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 15:48:29,315 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 15:48:29,315 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 15:48:29,315 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 15:48:29,315 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 15:48:29,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 15:48:29,315 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 15:48:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-10-10 15:48:29,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-10 15:48:29,352 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:29,353 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] [2018-10-10 15:48:29,354 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:29,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:29,361 INFO L82 PathProgramCache]: Analyzing trace with hash -926031366, now seen corresponding path program 1 times [2018-10-10 15:48:29,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:29,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:48:29,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 15:48:29,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 15:48:29,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 15:48:29,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 15:48:29,833 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 4 states. [2018-10-10 15:48:29,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:29,944 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-10-10 15:48:29,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 15:48:29,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-10-10 15:48:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:29,961 INFO L225 Difference]: With dead ends: 123 [2018-10-10 15:48:29,961 INFO L226 Difference]: Without dead ends: 123 [2018-10-10 15:48:29,963 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 [2018-10-10 15:48:29,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-10-10 15:48:30,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2018-10-10 15:48:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-10-10 15:48:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-10-10 15:48:30,025 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 117 [2018-10-10 15:48:30,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:30,026 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-10-10 15:48:30,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 15:48:30,027 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-10-10 15:48:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-10 15:48:30,031 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:30,032 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] [2018-10-10 15:48:30,032 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:30,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:30,033 INFO L82 PathProgramCache]: Analyzing trace with hash 420361889, now seen corresponding path program 1 times [2018-10-10 15:48:30,034 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:30,236 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:30,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-10 15:48:30,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 15:48:30,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 15:48:30,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 15:48:30,240 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 5 states. [2018-10-10 15:48:30,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:30,474 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-10-10 15:48:30,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 15:48:30,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-10-10 15:48:30,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:30,478 INFO L225 Difference]: With dead ends: 126 [2018-10-10 15:48:30,478 INFO L226 Difference]: Without dead ends: 126 [2018-10-10 15:48:30,479 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 [2018-10-10 15:48:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-10-10 15:48:30,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2018-10-10 15:48:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-10-10 15:48:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-10-10 15:48:30,492 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 120 [2018-10-10 15:48:30,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:30,493 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-10-10 15:48:30,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 15:48:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-10-10 15:48:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-10 15:48:30,496 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:30,497 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] [2018-10-10 15:48:30,497 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:30,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:30,498 INFO L82 PathProgramCache]: Analyzing trace with hash 122244250, now seen corresponding path program 2 times [2018-10-10 15:48:30,500 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:30,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:30,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-10 15:48:30,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 15:48:30,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 15:48:30,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-10 15:48:30,774 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 6 states. [2018-10-10 15:48:30,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:30,921 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-10-10 15:48:30,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 15:48:30,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-10-10 15:48:30,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:30,930 INFO L225 Difference]: With dead ends: 129 [2018-10-10 15:48:30,930 INFO L226 Difference]: Without dead ends: 129 [2018-10-10 15:48:30,930 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 [2018-10-10 15:48:30,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-10-10 15:48:30,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2018-10-10 15:48:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-10-10 15:48:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-10-10 15:48:30,952 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 123 [2018-10-10 15:48:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:30,956 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-10-10 15:48:30,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 15:48:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-10-10 15:48:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-10 15:48:30,961 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:30,961 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] [2018-10-10 15:48:30,961 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:30,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:30,964 INFO L82 PathProgramCache]: Analyzing trace with hash 892028929, now seen corresponding path program 3 times [2018-10-10 15:48:30,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:31,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:31,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-10 15:48:31,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 15:48:31,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 15:48:31,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-10 15:48:31,164 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 7 states. [2018-10-10 15:48:31,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:31,640 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-10-10 15:48:31,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-10 15:48:31,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2018-10-10 15:48:31,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:31,646 INFO L225 Difference]: With dead ends: 132 [2018-10-10 15:48:31,646 INFO L226 Difference]: Without dead ends: 132 [2018-10-10 15:48:31,647 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 [2018-10-10 15:48:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-10 15:48:31,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2018-10-10 15:48:31,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-10 15:48:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-10-10 15:48:31,656 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 126 [2018-10-10 15:48:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:31,656 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-10-10 15:48:31,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 15:48:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-10-10 15:48:31,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-10 15:48:31,659 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:31,659 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] [2018-10-10 15:48:31,660 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:31,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:31,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1577959622, now seen corresponding path program 4 times [2018-10-10 15:48:31,661 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 15:48:32,423 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 15:48:32,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 15:48:32,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:48:32,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:48:32,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:48:32,429 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 8 states. [2018-10-10 15:48:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:33,069 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-10-10 15:48:33,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 15:48:33,072 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2018-10-10 15:48:33,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:33,073 INFO L225 Difference]: With dead ends: 133 [2018-10-10 15:48:33,073 INFO L226 Difference]: Without dead ends: 133 [2018-10-10 15:48:33,074 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2018-10-10 15:48:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-10 15:48:33,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-10-10 15:48:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-10-10 15:48:33,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-10-10 15:48:33,083 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 129 [2018-10-10 15:48:33,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:33,083 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-10-10 15:48:33,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:48:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-10-10 15:48:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-10 15:48:33,086 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 15:48:33,086 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] [2018-10-10 15:48:33,087 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 15:48:33,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 15:48:33,087 INFO L82 PathProgramCache]: Analyzing trace with hash 667799905, now seen corresponding path program 5 times [2018-10-10 15:48:33,088 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 15:48:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 15:48:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-10 15:48:33,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 15:48:33,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 15:48:33,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 15:48:33,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 15:48:33,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-10 15:48:33,506 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 8 states. [2018-10-10 15:48:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 15:48:33,855 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-10 15:48:33,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 15:48:33,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2018-10-10 15:48:33,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 15:48:33,857 INFO L225 Difference]: With dead ends: 131 [2018-10-10 15:48:33,857 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 15:48:33,858 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-10 15:48:33,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 15:48:33,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 15:48:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 15:48:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 15:48:33,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2018-10-10 15:48:33,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 15:48:33,859 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 15:48:33,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 15:48:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 15:48:33,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 15:48:33,865 INFO L202 PluginConnector]: Adding new model test-bitfields-2_false-valid-deref.i_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 03:48:33 BoogieIcfgContainer [2018-10-10 15:48:33,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 15:48:33,866 INFO L168 Benchmark]: Toolchain (without parser) took 5635.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 327.7 MB). Peak memory consumption was 327.7 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:33,868 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:48:33,869 INFO L168 Benchmark]: Boogie Preprocessor took 88.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 15:48:33,870 INFO L168 Benchmark]: RCFGBuilder took 912.92 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. [2018-10-10 15:48:33,871 INFO L168 Benchmark]: TraceAbstraction took 4626.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. [2018-10-10 15:48:33,874 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 88.90 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 912.92 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 4626.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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, 122 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 652 SDtfs, 448 SDslu, 1896 SDs, 0 SdLazy, 278 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred 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, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 220047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 35/75 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_false-valid-deref.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-10_15-48-33-887.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_false-valid-deref.i_15.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-10_15-48-33-887.csv Received shutdown request...