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/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 23:09:56,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 23:09:56,749 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 23:09:56,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 23:09:56,765 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 23:09:56,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 23:09:56,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 23:09:56,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 23:09:56,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 23:09:56,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 23:09:56,772 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 23:09:56,773 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 23:09:56,774 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 23:09:56,775 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 23:09:56,776 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 23:09:56,777 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 23:09:56,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 23:09:56,779 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 23:09:56,781 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 23:09:56,783 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 23:09:56,784 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 23:09:56,785 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 23:09:56,788 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 23:09:56,788 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 23:09:56,788 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 23:09:56,789 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 23:09:56,790 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 23:09:56,791 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 23:09:56,792 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 23:09:56,793 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 23:09:56,793 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 23:09:56,794 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-12 23:09:56,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-12 23:09:56,795 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-12 23:09:56,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-12 23:09:56,796 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-12 23:09:56,797 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 23:09:56,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 23:09:56,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 23:09:56,808 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 23:09:56,808 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 23:09:56,808 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 23:09:56,809 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 23:09:56,809 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 23:09:56,810 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 23:09:56,810 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 23:09:56,810 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 23:09:56,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 23:09:56,810 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 23:09:56,811 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 23:09:56,811 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 23:09:56,812 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 23:09:56,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 23:09:56,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 23:09:56,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 23:09:56,881 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 23:09:56,881 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 23:09:56,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl [2018-10-12 23:09:56,882 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl' [2018-10-12 23:09:56,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 23:09:56,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-12 23:09:56,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 23:09:56,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 23:09:56,958 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 23:09:56,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... [2018-10-12 23:09:56,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... [2018-10-12 23:09:57,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... [2018-10-12 23:09:57,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... [2018-10-12 23:09:57,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... [2018-10-12 23:09:57,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... [2018-10-12 23:09:57,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... [2018-10-12 23:09:57,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 23:09:57,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 23:09:57,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 23:09:57,019 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 23:09:57,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-12 23:09:57,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 23:09:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 23:09:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 23:09:57,601 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 23:09:57,603 INFO L202 PluginConnector]: Adding new model strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:09:57 BoogieIcfgContainer [2018-10-12 23:09:57,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 23:09:57,604 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-12 23:09:57,604 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-12 23:09:57,605 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-12 23:09:57,609 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:09:57" (1/1) ... [2018-10-12 23:09:57,618 INFO L137 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-10-12 23:09:57,619 INFO L138 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-10-12 23:09:57,658 INFO L191 apSepIcfgTransformer]: Heap separator: starting loc-array-style preprocessing [2018-10-12 23:09:57,713 INFO L219 apSepIcfgTransformer]: finished MemlocArrayUpdater [2018-10-12 23:09:57,739 INFO L282 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-10-12 23:09:57,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-10-12 23:10:09,982 INFO L315 AbstractInterpreter]: Visited 65 different actions 117 times. Merged at 25 different actions 50 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-10-12 23:10:09,987 INFO L306 apSepIcfgTransformer]: finished equality analysis [2018-10-12 23:10:09,990 INFO L318 apSepIcfgTransformer]: Finished detection of select terms ("array reads") [2018-10-12 23:10:10,002 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_13|) |v_ULTIMATE.start_read~int_#ptr.offset_9|) at (assume #memory_int[read~int_#ptr.base][read~int_#ptr.offset] == read~int_#value;) [2018-10-12 23:10:10,007 WARN L152 HeapPartitionManager]: No literal set constraint found for loc-array access (select (select |#loc_#memory_int_(Array-Int-(Array-Int-#locsort2))| |v_ULTIMATE.start_read~int_#ptr.base_7|) |v_ULTIMATE.start_read~int_#ptr.offset_5|) at (assume read~int_#value == #memory_int[read~int_#ptr.base][read~int_#ptr.offset];) [2018-10-12 23:10:10,069 INFO L232 HeapPartitionManager]: partitioning result: [2018-10-12 23:10:10,070 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:10:10,070 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:10:10,070 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:10:10,070 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 23:10:10,071 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:10:10,074 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 23:10:10,075 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:10:10,075 INFO L237 HeapPartitionManager]: location blocks for array group [#memory_int, ULTIMATE.start_write~int_old_#memory_int] [2018-10-12 23:10:10,075 INFO L246 HeapPartitionManager]: at dimension 1 [2018-10-12 23:10:10,075 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-10-12 23:10:10,075 INFO L248 HeapPartitionManager]: # location blocks :2 [2018-10-12 23:10:10,076 INFO L246 HeapPartitionManager]: at dimension 2 [2018-10-12 23:10:10,076 INFO L247 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-10-12 23:10:10,076 INFO L248 HeapPartitionManager]: # location blocks :1 [2018-10-12 23:10:10,079 INFO L145 ransitionTransformer]: executing heap partitioning transformation [2018-10-12 23:10:10,107 INFO L202 PluginConnector]: Adding new model strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:10:10 BasicIcfg [2018-10-12 23:10:10,107 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-12 23:10:10,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 23:10:10,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 23:10:10,116 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 23:10:10,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 11:09:56" (1/3) ... [2018-10-12 23:10:10,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f1b4b and model type strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:10:10, skipping insertion in model container [2018-10-12 23:10:10,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:09:57" (2/3) ... [2018-10-12 23:10:10,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f1b4b and model type strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:10:10, skipping insertion in model container [2018-10-12 23:10:10,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.10 11:10:10" (3/3) ... [2018-10-12 23:10:10,121 INFO L112 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-10-12 23:10:10,133 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 23:10:10,143 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 23:10:10,161 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 23:10:10,191 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 23:10:10,192 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 23:10:10,193 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 23:10:10,193 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 23:10:10,193 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 23:10:10,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 23:10:10,194 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 23:10:10,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 23:10:10,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 23:10:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-10-12 23:10:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-12 23:10:10,226 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:10:10,227 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] [2018-10-12 23:10:10,229 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:10:10,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:10:10,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1778985239, now seen corresponding path program 1 times [2018-10-12 23:10:10,298 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:10:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:10:11,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:10:11,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 23:10:11,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-12 23:10:11,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-12 23:10:11,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-12 23:10:11,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-10-12 23:10:11,434 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 12 states. [2018-10-12 23:10:12,327 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-12 23:10:12,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:10:12,832 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-10-12 23:10:12,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-12 23:10:12,834 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-10-12 23:10:12,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:10:12,845 INFO L225 Difference]: With dead ends: 87 [2018-10-12 23:10:12,845 INFO L226 Difference]: Without dead ends: 87 [2018-10-12 23:10:12,847 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2018-10-12 23:10:12,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-12 23:10:12,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 66. [2018-10-12 23:10:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-10-12 23:10:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-12 23:10:12,890 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 42 [2018-10-12 23:10:12,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:10:12,891 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-10-12 23:10:12,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-12 23:10:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-12 23:10:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-12 23:10:12,894 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:10:12,894 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-12 23:10:12,894 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:10:12,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:10:12,895 INFO L82 PathProgramCache]: Analyzing trace with hash 805993068, now seen corresponding path program 1 times [2018-10-12 23:10:12,896 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:10:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:10:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:10:14,116 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:10:14,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-10-12 23:10:14,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-12 23:10:14,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-12 23:10:14,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-10-12 23:10:14,119 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 20 states. [2018-10-12 23:10:15,485 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-12 23:10:16,262 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-12 23:10:16,554 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-12 23:10:16,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:10:16,804 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-10-12 23:10:16,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-12 23:10:16,805 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 65 [2018-10-12 23:10:16,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:10:16,807 INFO L225 Difference]: With dead ends: 110 [2018-10-12 23:10:16,807 INFO L226 Difference]: Without dead ends: 110 [2018-10-12 23:10:16,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=384, Invalid=1022, Unknown=0, NotChecked=0, Total=1406 [2018-10-12 23:10:16,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-12 23:10:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 89. [2018-10-12 23:10:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-12 23:10:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-12 23:10:16,819 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 65 [2018-10-12 23:10:16,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:10:16,820 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-10-12 23:10:16,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-12 23:10:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-12 23:10:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-12 23:10:16,823 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:10:16,823 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2018-10-12 23:10:16,823 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:10:16,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:10:16,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1671592311, now seen corresponding path program 2 times [2018-10-12 23:10:16,825 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:10:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:10:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:10:17,684 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:10:17,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-10-12 23:10:17,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-12 23:10:17,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-12 23:10:17,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2018-10-12 23:10:17,685 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 22 states. [2018-10-12 23:10:18,626 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-12 23:10:18,779 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-12 23:10:19,360 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-12 23:10:19,652 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-12 23:10:19,802 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-12 23:10:19,978 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-12 23:10:20,312 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2018-10-12 23:10:20,690 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2018-10-12 23:10:21,100 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-10-12 23:10:21,410 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2018-10-12 23:10:21,795 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2018-10-12 23:10:21,946 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-10-12 23:10:22,439 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-12 23:10:22,751 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-12 23:10:22,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:10:22,782 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-10-12 23:10:22,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-12 23:10:22,789 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 88 [2018-10-12 23:10:22,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:10:22,791 INFO L225 Difference]: With dead ends: 133 [2018-10-12 23:10:22,791 INFO L226 Difference]: Without dead ends: 133 [2018-10-12 23:10:22,796 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=440, Invalid=1366, Unknown=0, NotChecked=0, Total=1806 [2018-10-12 23:10:22,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-12 23:10:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2018-10-12 23:10:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-12 23:10:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-10-12 23:10:22,824 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 88 [2018-10-12 23:10:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:10:22,824 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-10-12 23:10:22,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-12 23:10:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-10-12 23:10:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-12 23:10:22,827 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 23:10:22,827 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-12 23:10:22,827 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 23:10:22,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 23:10:22,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2005712396, now seen corresponding path program 3 times [2018-10-12 23:10:22,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 23:10:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 23:10:23,471 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-12 23:10:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 23:10:24,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 23:10:24,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-10-12 23:10:24,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-12 23:10:24,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-12 23:10:24,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2018-10-12 23:10:24,184 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 25 states. [2018-10-12 23:10:26,381 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-12 23:10:26,711 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-10-12 23:10:26,889 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-12 23:10:27,403 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2018-10-12 23:10:27,775 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2018-10-12 23:10:28,046 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-10-12 23:10:28,257 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-12 23:10:28,505 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2018-10-12 23:10:28,805 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-10-12 23:10:29,098 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2018-10-12 23:10:29,320 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2018-10-12 23:10:29,621 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-10-12 23:10:29,862 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-10-12 23:10:30,070 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2018-10-12 23:10:30,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 23:10:30,081 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-10-12 23:10:30,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-10-12 23:10:30,082 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 111 [2018-10-12 23:10:30,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 23:10:30,083 INFO L225 Difference]: With dead ends: 131 [2018-10-12 23:10:30,084 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 23:10:30,085 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=775, Invalid=2195, Unknown=0, NotChecked=0, Total=2970 [2018-10-12 23:10:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 23:10:30,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 23:10:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 23:10:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 23:10:30,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2018-10-12 23:10:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 23:10:30,087 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 23:10:30,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-12 23:10:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 23:10:30,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 23:10:30,091 INFO L202 PluginConnector]: Adding new model strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:10:30 BasicIcfg [2018-10-12 23:10:30,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 23:10:30,092 INFO L168 Benchmark]: Toolchain (without parser) took 33136.95 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 317.1 MB. Max. memory is 7.1 GB. [2018-10-12 23:10:30,093 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. [2018-10-12 23:10:30,094 INFO L168 Benchmark]: Boogie Preprocessor took 61.07 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. [2018-10-12 23:10:30,095 INFO L168 Benchmark]: RCFGBuilder took 584.17 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. [2018-10-12 23:10:30,095 INFO L168 Benchmark]: IcfgTransformer took 12503.64 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 672.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -658.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2018-10-12 23:10:30,096 INFO L168 Benchmark]: TraceAbstraction took 19981.14 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 923.3 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -652.0 MB). Peak memory consumption was 271.3 MB. Max. memory is 7.1 GB. [2018-10-12 23:10:30,100 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 61.07 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 584.17 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 12503.64 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 672.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -658.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19981.14 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 923.3 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -652.0 MB). Peak memory consumption was 271.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 63 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 1814 LocStat_NO_SUPPORTING_DISEQUALITIES : 228 LocStat_NO_DISJUNCTIONS : -126 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 65 TransStat_MAX_WEQGRAPH_SIZE : 3 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 62 TransStat_NO_SUPPORTING_DISEQUALITIES : 3 TransStat_NO_DISJUNCTIONS : 65 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqPostOperator statistics APPLY_NORMAL(MILLISECONDS) : 10213.91 APPLY_RETURN(MILLISECONDS) : 0.00 #APPLY_NORMAL : 119 #APPLY_RETURN : 0 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: Abstract Interpretation statistics Visited 65 different actions 117 times. Merged at 25 different actions 50 times. Never widened. 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] : 4 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 : 2 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: 130]: 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, 65 locations, 1 error locations. SAFE Result, 19.9s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 15.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 212 SDtfs, 3118 SDslu, 1758 SDs, 0 SdLazy, 1910 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=3, 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, 4 MinimizatonAttempts, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 302 ConstructedInterpolants, 0 QuantifiedInterpolants, 365376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/110 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/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-12_23-10-30-116.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-VPDomainBenchmark-0-2018-10-12_23-10-30-116.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/strreplace-alloca_true-valid-memsafety_true-termination.i_9.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-BenchmarkWithCounters-0-2018-10-12_23-10-30-116.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...