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/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b8f97f7-m [2018-10-10 16:37:24,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 16:37:24,884 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 16:37:24,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 16:37:24,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 16:37:24,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 16:37:24,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 16:37:24,909 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 16:37:24,911 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 16:37:24,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 16:37:24,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 16:37:24,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 16:37:24,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 16:37:24,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 16:37:24,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 16:37:24,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 16:37:24,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 16:37:24,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 16:37:24,929 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 16:37:24,930 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 16:37:24,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 16:37:24,933 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 16:37:24,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 16:37:24,944 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 16:37:24,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 16:37:24,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 16:37:24,958 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-10 16:37:24,959 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-10 16:37:24,959 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-10 16:37:24,959 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-10 16:37:24,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 16:37:24,960 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-10 16:37:24,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 16:37:24,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-10 16:37:24,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-10 16:37:24,962 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-10 16:37:24,962 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-10 16:37:24,964 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-10 16:37:24,964 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-10 16:37:25,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 16:37:25,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 16:37:25,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 16:37:25,056 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-10 16:37:25,056 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-10 16:37:25,057 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_7.bpl [2018-10-10 16:37:25,058 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/lis-alloca_true-valid-memsafety_true-termination.i_7.bpl' [2018-10-10 16:37:25,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 16:37:25,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-10 16:37:25,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 16:37:25,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 16:37:25,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 16:37:25,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 16:37:25,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 16:37:25,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 16:37:25,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 16:37:25,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (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 16:37:25,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-10 16:37:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 16:37:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 16:37:25,900 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 16:37:25,901 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:37:25 BoogieIcfgContainer [2018-10-10 16:37:25,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 16:37:25,903 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-10 16:37:25,903 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-10 16:37:25,904 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-10 16:37:25,907 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:37:25" (1/1) ... [2018-10-10 16:37:25,915 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-10 16:37:25,916 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-10 16:37:25,961 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-10 16:37:26,017 INFO L217 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-10 16:37:26,044 INFO L280 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-10 16:37:26,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-10 16:38:00,991 INFO L315 AbstractInterpreter]: Visited 81 different actions 145 times. Merged at 26 different actions 61 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-10 16:38:00,997 INFO L304 apSepIcfgTransformer]: finished equality analysis [2018-10-10 16:38:01,002 INFO L316 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-10 16:38:01,079 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_2_1_1| |v_ULTIMATE.start_write~int_#ptr.base_6|) at (assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]];) [2018-10-10 16:38:01,147 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select |v_#locv_ULTIMATE.start_write~int_old_#memory_int_4_1_1| |v_ULTIMATE.start_write~int_#ptr.base_12|) at (assume write~int_old_#memory_int[write~int_#ptr.base := write~int_old_#memory_int[write~int_#ptr.base][write~int_#ptr.offset := write~int_#value]] == #memory_int;) [2018-10-10 16:38:01,149 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-10 16:38:01,150 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:38:01,150 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:38:01,150 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:38:01,150 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:38:01,151 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:38:01,151 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:38:01,151 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:38:01,151 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-10 16:38:01,151 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-10 16:38:01,154 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-10 16:38:01,155 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-10 16:38:01,155 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-10 16:38:01,155 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 0 [2018-10-10 16:38:01,155 INFO L248 HeapPartitionManager]: # location blocks :0 [2018-10-10 16:38:01,159 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-10 16:38:01,192 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:38:01 BasicIcfg [2018-10-10 16:38:01,193 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-10 16:38:01,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 16:38:01,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 16:38:01,202 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 16:38:01,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 04:37:25" (1/3) ... [2018-10-10 16:38:01,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4865cccc and model type lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 04:38:01, skipping insertion in model container [2018-10-10 16:38:01,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 04:37:25" (2/3) ... [2018-10-10 16:38:01,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4865cccc and model type lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:38:01, skipping insertion in model container [2018-10-10 16:38:01,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.10 04:38:01" (3/3) ... [2018-10-10 16:38:01,210 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-10 16:38:01,221 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-10 16:38:01,237 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 16:38:01,258 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 16:38:01,287 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 16:38:01,288 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 16:38:01,288 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 16:38:01,288 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-10 16:38:01,288 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 16:38:01,289 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 16:38:01,289 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 16:38:01,290 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 16:38:01,290 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 16:38:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-10-10 16:38:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-10 16:38:01,320 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:38:01,321 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] [2018-10-10 16:38:01,322 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:38:01,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:38:01,329 INFO L82 PathProgramCache]: Analyzing trace with hash -2106228607, now seen corresponding path program 1 times [2018-10-10 16:38:01,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:38:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:38:01,875 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 16:38:01,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:38:01,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 16:38:01,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 16:38:01,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 16:38:01,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 16:38:01,899 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 6 states. [2018-10-10 16:38:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:38:02,406 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-10-10 16:38:02,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 16:38:02,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-10-10 16:38:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:38:02,420 INFO L225 Difference]: With dead ends: 100 [2018-10-10 16:38:02,420 INFO L226 Difference]: Without dead ends: 100 [2018-10-10 16:38:02,422 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-10 16:38:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-10 16:38:02,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 82. [2018-10-10 16:38:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-10-10 16:38:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-10 16:38:02,466 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 61 [2018-10-10 16:38:02,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:38:02,467 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-10-10 16:38:02,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 16:38:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-10 16:38:02,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-10 16:38:02,470 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:38:02,470 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] [2018-10-10 16:38:02,471 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:38:02,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:38:02,471 INFO L82 PathProgramCache]: Analyzing trace with hash -333227568, now seen corresponding path program 1 times [2018-10-10 16:38:02,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:38:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:38:02,717 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 16:38:02,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-10 16:38:02,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-10-10 16:38:02,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 16:38:02,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 16:38:02,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-10 16:38:02,721 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 8 states. [2018-10-10 16:38:02,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:38:02,952 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-10-10 16:38:02,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 16:38:02,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2018-10-10 16:38:02,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:38:02,961 INFO L225 Difference]: With dead ends: 124 [2018-10-10 16:38:02,961 INFO L226 Difference]: Without dead ends: 120 [2018-10-10 16:38:02,962 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-10-10 16:38:02,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-10 16:38:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 102. [2018-10-10 16:38:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-10 16:38:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-10-10 16:38:02,974 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 81 [2018-10-10 16:38:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:38:02,975 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-10-10 16:38:02,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 16:38:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-10-10 16:38:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-10 16:38:02,979 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 16:38:02,979 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-10 16:38:02,980 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-10 16:38:02,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 16:38:02,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1218344351, now seen corresponding path program 2 times [2018-10-10 16:38:02,981 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-10 16:38:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 16:38:03,734 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-10-10 16:38:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-10 16:38:03,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 16:38:03,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-10 16:38:03,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 16:38:03,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 16:38:03,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-10-10 16:38:03,780 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 11 states. [2018-10-10 16:38:04,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 16:38:04,464 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-10-10 16:38:04,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 16:38:04,464 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 101 [2018-10-10 16:38:04,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 16:38:04,466 INFO L225 Difference]: With dead ends: 100 [2018-10-10 16:38:04,466 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 16:38:04,466 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2018-10-10 16:38:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 16:38:04,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 16:38:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 16:38:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 16:38:04,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2018-10-10 16:38:04,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 16:38:04,468 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 16:38:04,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 16:38:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 16:38:04,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 16:38:04,472 INFO L202 PluginConnector]: Adding new model lis-alloca_true-valid-memsafety_true-termination.i_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 04:38:04 BasicIcfg [2018-10-10 16:38:04,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 16:38:04,474 INFO L168 Benchmark]: Toolchain (without parser) took 39312.42 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-10-10 16:38:04,475 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 16:38:04,476 INFO L168 Benchmark]: Boogie Preprocessor took 77.07 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 16:38:04,476 INFO L168 Benchmark]: RCFGBuilder took 661.49 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 16:38:04,477 INFO L168 Benchmark]: IcfgTransformer took 35290.30 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 212.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-10 16:38:04,479 INFO L168 Benchmark]: TraceAbstraction took 3278.88 ms. Allocated memory was 3.6 GB in the beginning and 4.1 GB in the end (delta: 560.5 MB). Free memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: -2.7 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 16:38:04,485 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 77.07 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 661.49 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. * IcfgTransformer took 35290.30 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 212.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * TraceAbstraction took 3278.88 ms. Allocated memory was 3.6 GB in the beginning and 4.1 GB in the end (delta: 560.5 MB). Free memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: -2.7 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 79 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 2135 LocStat_NO_SUPPORTING_DISEQUALITIES : 437 LocStat_NO_DISJUNCTIONS : -158 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 81 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 82 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 81 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 8814.74 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 145 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 81 different actions 145 times. Merged at 26 different actions 61 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int, ULTIMATE.start_write~int_old_#memory_int] : 0 COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_0 : null COUNT_ARRAY_WRITES_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_int, ULTIMATE.start_write~int_old_#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int, ULTIMATE.start_write~int_old_#memory_int] : null * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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, 83 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 466 SDslu, 617 SDs, 0 SdLazy, 283 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=2, 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, 3 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 64860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 22/23 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/lis-alloca_true-valid-memsafety_true-termination.i_7.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-10_16-38-04-502.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_7.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-10_16-38-04-502.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/lis-alloca_true-valid-memsafety_true-termination.i_7.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-10_16-38-04-502.csv The toolchain threw an exception: class java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" RESULT: An exception occured during the execution of Ultimate: The toolchain threw an exception java.lang.RuntimeException: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark.createCsvProvider(AbsIntBenchmark.java:42) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.writeCsvLogs(CommandLineController.java:342) at de.uni_freiburg.informatik.ultimate.cli.CommandLineController.displayToolchainResults(CommandLineController.java:325) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:343) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalAccessException: Class de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider can not access a member of class de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.AbsIntBenchmark with modifiers "private" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:296) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:288) at java.lang.reflect.Field.get(Field.java:390) at de.uni_freiburg.informatik.ultimate.util.csv.SimpleCsvProvider.constructCsvProviderReflectively(SimpleCsvProvider.java:275) ... 6 more Received shutdown request...