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_17.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-093a8c0 [2018-10-14 16:55:57,121 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-14 16:55:57,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-14 16:55:57,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-14 16:55:57,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-14 16:55:57,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-14 16:55:57,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-14 16:55:57,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-14 16:55:57,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-14 16:55:57,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-14 16:55:57,148 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-14 16:55:57,148 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-14 16:55:57,149 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-14 16:55:57,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-14 16:55:57,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-14 16:55:57,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-14 16:55:57,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-14 16:55:57,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-14 16:55:57,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-14 16:55:57,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-14 16:55:57,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-14 16:55:57,162 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-14 16:55:57,164 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-14 16:55:57,173 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 16:55:57,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-14 16:55:57,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-14 16:55:57,184 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-14 16:55:57,184 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-14 16:55:57,185 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-14 16:55:57,185 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-14 16:55:57,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-14 16:55:57,186 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-14 16:55:57,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-14 16:55:57,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-14 16:55:57,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-14 16:55:57,187 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-14 16:55:57,187 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-14 16:55:57,188 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-14 16:55:57,188 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-14 16:55:57,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-14 16:55:57,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-14 16:55:57,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-14 16:55:57,266 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-14 16:55:57,267 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-14 16:55:57,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl [2018-10-14 16:55:57,268 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl' [2018-10-14 16:55:57,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-14 16:55:57,343 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-14 16:55:57,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-14 16:55:57,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-14 16:55:57,344 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-14 16:55:57,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/1) ... [2018-10-14 16:55:57,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/1) ... [2018-10-14 16:55:57,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/1) ... [2018-10-14 16:55:57,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/1) ... [2018-10-14 16:55:57,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/1) ... [2018-10-14 16:55:57,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/1) ... [2018-10-14 16:55:57,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/1) ... [2018-10-14 16:55:57,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-14 16:55:57,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-14 16:55:57,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-14 16:55:57,428 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-14 16:55:57,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (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 16:55:57,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-14 16:55:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-14 16:55:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-14 16:55:58,380 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-14 16:55:58,381 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:55:58 BoogieIcfgContainer [2018-10-14 16:55:58,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-14 16:55:58,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-14 16:55:58,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-14 16:55:58,386 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-14 16:55:58,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.10 04:55:57" (1/2) ... [2018-10-14 16:55:58,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6fedd9 and model type test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:55:58, skipping insertion in model container [2018-10-14 16:55:58,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:55:58" (2/2) ... [2018-10-14 16:55:58,390 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl [2018-10-14 16:55:58,401 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-14 16:55:58,411 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-14 16:55:58,430 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-14 16:55:58,459 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-14 16:55:58,460 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-14 16:55:58,460 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-14 16:55:58,461 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-14 16:55:58,461 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-14 16:55:58,461 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-14 16:55:58,461 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-14 16:55:58,461 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-14 16:55:58,461 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-14 16:55:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-10-14 16:55:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-14 16:55:58,516 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:58,520 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] [2018-10-14 16:55:58,523 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:58,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:58,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1370197862, now seen corresponding path program 1 times [2018-10-14 16:55:58,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:59,026 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 16:55:59,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-14 16:55:59,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-14 16:55:59,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-14 16:55:59,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-14 16:55:59,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-14 16:55:59,055 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 4 states. [2018-10-14 16:55:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:59,198 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-10-14 16:55:59,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-14 16:55:59,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-10-14 16:55:59,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:59,214 INFO L225 Difference]: With dead ends: 128 [2018-10-14 16:55:59,215 INFO L226 Difference]: Without dead ends: 128 [2018-10-14 16:55:59,217 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 [2018-10-14 16:55:59,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-10-14 16:55:59,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-10-14 16:55:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-10-14 16:55:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-10-14 16:55:59,266 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 122 [2018-10-14 16:55:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:59,267 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-10-14 16:55:59,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-14 16:55:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-10-14 16:55:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-14 16:55:59,270 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:59,270 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] [2018-10-14 16:55:59,271 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:59,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:59,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1653011681, now seen corresponding path program 1 times [2018-10-14 16:55:59,273 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:59,488 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 16:55:59,488 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:55:59,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-14 16:55:59,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-14 16:55:59,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-14 16:55:59,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-14 16:55:59,492 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 5 states. [2018-10-14 16:55:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:55:59,744 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-14 16:55:59,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-14 16:55:59,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-10-14 16:55:59,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:55:59,749 INFO L225 Difference]: With dead ends: 131 [2018-10-14 16:55:59,750 INFO L226 Difference]: Without dead ends: 131 [2018-10-14 16:55:59,751 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 [2018-10-14 16:55:59,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-10-14 16:55:59,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-10-14 16:55:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-10-14 16:55:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-10-14 16:55:59,764 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 125 [2018-10-14 16:55:59,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:55:59,768 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-10-14 16:55:59,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-14 16:55:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-10-14 16:55:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-14 16:55:59,770 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:55:59,771 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] [2018-10-14 16:55:59,771 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:55:59,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:55:59,772 INFO L82 PathProgramCache]: Analyzing trace with hash -624310074, now seen corresponding path program 2 times [2018-10-14 16:55:59,773 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:55:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:55:59,983 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 16:55:59,984 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:55:59,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-14 16:55:59,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-14 16:55:59,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-14 16:55:59,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-14 16:55:59,985 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 6 states. [2018-10-14 16:56:00,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:00,140 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-10-14 16:56:00,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-14 16:56:00,148 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-10-14 16:56:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:00,150 INFO L225 Difference]: With dead ends: 134 [2018-10-14 16:56:00,150 INFO L226 Difference]: Without dead ends: 134 [2018-10-14 16:56:00,151 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-14 16:56:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-10-14 16:56:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2018-10-14 16:56:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-14 16:56:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-10-14 16:56:00,162 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 128 [2018-10-14 16:56:00,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:00,163 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-10-14 16:56:00,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-14 16:56:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-10-14 16:56:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-14 16:56:00,165 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:00,166 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] [2018-10-14 16:56:00,166 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:00,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:00,167 INFO L82 PathProgramCache]: Analyzing trace with hash 833607103, now seen corresponding path program 3 times [2018-10-14 16:56:00,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:00,359 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:00,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-10-14 16:56:00,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-14 16:56:00,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-14 16:56:00,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-14 16:56:00,361 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 7 states. [2018-10-14 16:56:00,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:00,881 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-10-14 16:56:00,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-14 16:56:00,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2018-10-14 16:56:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:00,886 INFO L225 Difference]: With dead ends: 135 [2018-10-14 16:56:00,886 INFO L226 Difference]: Without dead ends: 135 [2018-10-14 16:56:00,890 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-14 16:56:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-10-14 16:56:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-10-14 16:56:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-10-14 16:56:00,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-10-14 16:56:00,907 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 131 [2018-10-14 16:56:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:00,908 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-10-14 16:56:00,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-14 16:56:00,908 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-10-14 16:56:00,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-14 16:56:00,912 INFO L367 BasicCegarLoop]: Found error trace [2018-10-14 16:56:00,913 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] [2018-10-14 16:56:00,916 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-14 16:56:00,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-14 16:56:00,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1360037338, now seen corresponding path program 4 times [2018-10-14 16:56:00,917 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-14 16:56:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-14 16:56:01,862 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2018-10-14 16:56:02,462 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2018-10-14 16:56:02,703 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2018-10-14 16:56:02,951 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2018-10-14 16:56:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-14 16:56:03,570 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-14 16:56:03,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-14 16:56:03,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-14 16:56:03,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-14 16:56:03,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2018-10-14 16:56:03,572 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 25 states. [2018-10-14 16:56:05,492 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-10-14 16:56:06,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-14 16:56:06,161 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-14 16:56:06,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-14 16:56:06,162 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 134 [2018-10-14 16:56:06,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-14 16:56:06,163 INFO L225 Difference]: With dead ends: 124 [2018-10-14 16:56:06,163 INFO L226 Difference]: Without dead ends: 0 [2018-10-14 16:56:06,165 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 10 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=360, Invalid=1280, Unknown=0, NotChecked=0, Total=1640 [2018-10-14 16:56:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-14 16:56:06,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-14 16:56:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-14 16:56:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-14 16:56:06,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2018-10-14 16:56:06,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-14 16:56:06,166 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-14 16:56:06,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-14 16:56:06,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-14 16:56:06,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-14 16:56:06,172 INFO L202 PluginConnector]: Adding new model test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:56:06 BoogieIcfgContainer [2018-10-14 16:56:06,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-14 16:56:06,173 INFO L168 Benchmark]: Toolchain (without parser) took 8831.49 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 32.5 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 170.3 MB). Peak memory consumption was 202.8 MB. Max. memory is 7.1 GB. [2018-10-14 16:56:06,174 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:56:06,175 INFO L168 Benchmark]: Boogie Preprocessor took 83.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-14 16:56:06,175 INFO L168 Benchmark]: RCFGBuilder took 954.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-14 16:56:06,176 INFO L168 Benchmark]: TraceAbstraction took 7789.41 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 32.5 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 138.5 MB). Peak memory consumption was 171.0 MB. Max. memory is 7.1 GB. [2018-10-14 16:56:06,180 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 0.17 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 83.18 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 954.48 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 7789.41 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 32.5 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 138.5 MB). Peak memory consumption was 171.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: 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, 127 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 519 SDtfs, 703 SDslu, 1557 SDs, 0 SdLazy, 1164 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 11 SyntacticMatches, 10 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred 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, 3.1s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 305430 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_17.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-14_16-56-06-191.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/test-bitfields-2_true-valid-memsafety_true-termination.i_17.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-14_16-56-06-191.csv Received shutdown request...