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_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:55:42,109 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:55:42,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:55:42,133 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:55:42,133 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:55:42,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:55:42,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:55:42,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:55:42,139 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:55:42,140 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:55:42,141 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:55:42,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:55:42,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:55:42,143 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:55:42,144 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:55:42,145 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:55:42,146 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:55:42,148 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:55:42,150 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:55:42,151 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:55:42,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:55:42,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:55:42,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-14 16:55:42,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-14 16:55:42,157 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-14 16:55:42,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-14 16:55:42,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-14 16:55:42,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-14 16:55:42,160 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-14 16:55:42,161 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-14 16:55:42,161 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-14 16:55:42,162 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-14 16:55:42,164 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-14 16:55:42,174 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:55:42,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:55:42,175 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:55:42,175 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:55:42,175 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:55:42,176 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:55:42,176 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:55:42,177 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:55:42,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:55:42,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:55:42,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:55:42,177 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:55:42,178 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:55:42,178 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:55:42,179 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:55:42,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:55:42,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:55:42,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:55:42,260 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:55:42,261 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:55:42,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_false-valid-deref.i_13.bpl [2018-10-14 16:55:42,262 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_false-valid-deref.i_13.bpl' [2018-10-14 16:55:42,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:55:42,342 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:55:42,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:55:42,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:55:42,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:55:42,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... [2018-10-14 16:55:42,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... [2018-10-14 16:55:42,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... [2018-10-14 16:55:42,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... [2018-10-14 16:55:42,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... [2018-10-14 16:55:42,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... [2018-10-14 16:55:42,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... [2018-10-14 16:55:42,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:55:42,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:55:42,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:55:42,435 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:55:42,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-14 16:55:42,507 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:55:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:55:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:55:43,259 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:55:43,260 INFO L202 PluginConnector]: Adding new model test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:55:43 BoogieIcfgContainer [2018-10-14 16:55:43,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:55:43,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:55:43,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:55:43,265 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:55:43,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:42" (1/2) ... [2018-10-14 16:55:43,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143444fd and model type test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:55:43, skipping insertion in model container [2018-10-14 16:55:43,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:55:43" (2/2) ... [2018-10-14 16:55:43,268 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_false-valid-deref.i_13.bpl [2018-10-14 16:55:43,278 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:55:43,287 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:55:43,304 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:55:43,333 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:55:43,334 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:55:43,334 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:55:43,335 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:55:43,335 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:55:43,335 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:55:43,335 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:55:43,335 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:55:43,335 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:55:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-10-14 16:55:43,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-14 16:55:43,371 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:43,372 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] [2018-10-14 16:55:43,373 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:43,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:43,380 INFO L82 PathProgramCache]: Analyzing trace with hash -25484363, now seen corresponding path program 1 times [2018-10-14 16:55:43,443 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:55:43,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:55:43,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-14 16:55:43,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-14 16:55:43,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-14 16:55:43,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:55:43,832 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 4 states. [2018-10-14 16:55:44,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:44,030 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-10-14 16:55:44,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-14 16:55:44,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-10-14 16:55:44,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:44,049 INFO L225 Difference]: With dead ends: 113 [2018-10-14 16:55:44,049 INFO L226 Difference]: Without dead ends: 113 [2018-10-14 16:55:44,051 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:55:44,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-14 16:55:44,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2018-10-14 16:55:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-10-14 16:55:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-10-14 16:55:44,099 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 107 [2018-10-14 16:55:44,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:44,100 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-10-14 16:55:44,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-14 16:55:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-10-14 16:55:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-14 16:55:44,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:44,104 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] [2018-10-14 16:55:44,105 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:44,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:44,105 INFO L82 PathProgramCache]: Analyzing trace with hash -361312996, now seen corresponding path program 1 times [2018-10-14 16:55:44,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:55:44,360 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:55:44,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-14 16:55:44,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-14 16:55:44,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-14 16:55:44,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-14 16:55:44,363 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 5 states. [2018-10-14 16:55:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:44,533 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-10-14 16:55:44,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-14 16:55:44,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-10-14 16:55:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:44,537 INFO L225 Difference]: With dead ends: 116 [2018-10-14 16:55:44,538 INFO L226 Difference]: Without dead ends: 116 [2018-10-14 16:55:44,539 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:55:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-14 16:55:44,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-10-14 16:55:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-14 16:55:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-10-14 16:55:44,555 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 110 [2018-10-14 16:55:44,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:44,557 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-10-14 16:55:44,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-14 16:55:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-10-14 16:55:44,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-14 16:55:44,559 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:44,560 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] [2018-10-14 16:55:44,560 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:44,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:44,561 INFO L82 PathProgramCache]: Analyzing trace with hash -2053286315, now seen corresponding path program 2 times [2018-10-14 16:55:44,562 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:55:44,802 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:55:44,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-14 16:55:44,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 16:55:44,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 16:55:44,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:55:44,804 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 6 states. [2018-10-14 16:55:44,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:44,941 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-10-14 16:55:44,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 16:55:44,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-14 16:55:44,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:44,945 INFO L225 Difference]: With dead ends: 119 [2018-10-14 16:55:44,945 INFO L226 Difference]: Without dead ends: 119 [2018-10-14 16:55:44,946 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:55:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-14 16:55:44,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2018-10-14 16:55:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-14 16:55:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-10-14 16:55:44,955 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 113 [2018-10-14 16:55:44,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:44,956 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-10-14 16:55:44,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 16:55:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-10-14 16:55:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-14 16:55:44,958 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:44,958 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] [2018-10-14 16:55:44,958 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:44,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:44,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1894246788, now seen corresponding path program 3 times [2018-10-14 16:55:44,960 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:45,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:55:45,141 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:55:45,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-14 16:55:45,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-14 16:55:45,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-14 16:55:45,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:55:45,142 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 7 states. [2018-10-14 16:55:45,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:45,566 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-10-14 16:55:45,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-14 16:55:45,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2018-10-14 16:55:45,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:45,569 INFO L225 Difference]: With dead ends: 122 [2018-10-14 16:55:45,569 INFO L226 Difference]: Without dead ends: 122 [2018-10-14 16:55:45,570 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 [2018-10-14 16:55:45,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-10-14 16:55:45,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2018-10-14 16:55:45,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-14 16:55:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-10-14 16:55:45,581 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 116 [2018-10-14 16:55:45,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:45,585 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-10-14 16:55:45,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-14 16:55:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-10-14 16:55:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-14 16:55:45,589 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:45,589 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] [2018-10-14 16:55:45,590 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:45,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:45,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1296625419, now seen corresponding path program 4 times [2018-10-14 16:55:45,592 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:55:45,903 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:55:45,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-14 16:55:45,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 16:55:45,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 16:55:45,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:55:45,905 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 8 states. [2018-10-14 16:55:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:46,300 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-10-14 16:55:46,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 16:55:46,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2018-10-14 16:55:46,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:46,302 INFO L225 Difference]: With dead ends: 123 [2018-10-14 16:55:46,303 INFO L226 Difference]: Without dead ends: 123 [2018-10-14 16:55:46,303 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2018-10-14 16:55:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-10-14 16:55:46,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-10-14 16:55:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-14 16:55:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-10-14 16:55:46,311 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 119 [2018-10-14 16:55:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:46,312 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-10-14 16:55:46,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 16:55:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-10-14 16:55:46,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-14 16:55:46,314 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:46,314 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] [2018-10-14 16:55:46,315 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:46,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:46,315 INFO L82 PathProgramCache]: Analyzing trace with hash -197863460, now seen corresponding path program 5 times [2018-10-14 16:55:46,316 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-14 16:55:46,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:55:46,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-14 16:55:46,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-14 16:55:46,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-14 16:55:46,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:55:46,689 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 8 states. [2018-10-14 16:55:47,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:47,012 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-10-14 16:55:47,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-14 16:55:47,013 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2018-10-14 16:55:47,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:47,013 INFO L225 Difference]: With dead ends: 121 [2018-10-14 16:55:47,013 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:55:47,014 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 [2018-10-14 16:55:47,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:55:47,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:55:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:55:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:55:47,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2018-10-14 16:55:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:47,016 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:55:47,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-14 16:55:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:55:47,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:55:47,021 INFO L202 PluginConnector]: Adding new model test-bitfields-2_false-valid-deref.i_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:55:47 BoogieIcfgContainer [2018-10-14 16:55:47,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:55:47,023 INFO L168 Benchmark]: Toolchain (without parser) took 4681.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. [2018-10-14 16:55:47,024 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:55:47,025 INFO L168 Benchmark]: Boogie Preprocessor took 89.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:55:47,026 INFO L168 Benchmark]: RCFGBuilder took 825.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:55:47,027 INFO L168 Benchmark]: TraceAbstraction took 3760.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 264.3 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. [2018-10-14 16:55:47,031 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 0.15 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 89.87 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 825.64 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 3760.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 264.3 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: 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, 112 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 595 SDtfs, 463 SDslu, 1133 SDs, 0 SdLazy, 220 SolverSat, 26 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, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 1.2s InterpolantComputationTime, 687 NumberOfCodeBlocks, 687 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 681 ConstructedInterpolants, 0 QuantifiedInterpolants, 185703 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_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-55-47-042.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_false-valid-deref.i_13.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-55-47-042.csv Received shutdown request...