java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:20:30,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:20:30,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:20:30,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:20:30,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:20:30,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:20:30,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:20:30,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:20:30,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:20:30,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:20:30,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:20:30,134 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2018-12-03 20:20:30,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:20:30,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:20:30,151 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:20:30,151 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:20:30,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:20:30,151 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:20:30,152 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:20:30,152 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:20:30,152 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:20:30,152 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:20:30,153 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:20:30,153 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:20:30,153 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:20:30,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:20:30,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:20:30,154 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:20:30,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:20:30,154 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:20:30,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:20:30,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:20:30,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:20:30,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:20:30,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:20:30,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:20:30,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:20:30,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:20:30,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:20:30,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:20:30,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:20:30,157 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:20:30,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:20:30,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:20:30,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:20:30,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:20:30,158 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:20:30,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:20:30,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:20:30,158 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:20:30,159 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:20:30,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:20:30,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:20:30,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:20:30,207 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:20:30,208 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:20:30,209 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-12-03 20:20:30,209 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-12-03 20:20:30,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:20:30,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:20:30,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:20:30,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:20:30,250 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:20:30,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:20:30,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:20:30,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:20:30,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:20:30,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:20:30,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:20:30,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:20:30,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:20:30,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:30" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:20:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:20:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:20:30,681 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:20:30,682 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-03 20:20:30,682 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:20:30 BoogieIcfgContainer [2018-12-03 20:20:30,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:20:30,683 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:20:30,683 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:20:30,684 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:20:30,685 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:20:30" (1/1) ... [2018-12-03 20:20:30,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:20:31,529 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:20:31,554 INFO L272 AbstractInterpreter]: Visited 9 different actions 63 times. Merged at 7 different actions 38 times. Widened at 5 different actions 14 times. Found 5 fixpoints after 2 different actions. Largest state had 0 variables. [2018-12-03 20:20:31,559 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:20:31,564 INFO L168 Benchmark]: Toolchain (without parser) took 1316.15 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:31,567 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-12-03 20:20:31,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.21 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. [2018-12-03 20:20:31,568 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 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. [2018-12-03 20:20:31,570 INFO L168 Benchmark]: RCFGBuilder took 362.66 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:31,573 INFO L168 Benchmark]: Abstract Interpretation took 876.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:31,581 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 0.23 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 Procedure Inliner took 42.21 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 26.75 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 362.66 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 876.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 75]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] havoc main_#res; [L17] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~i~5, main_~pvlen~5, main_~tmp___1~5, main_~k~5, main_~n~5, main_~j~5; [L18] havoc main_~i~5; [L19] havoc main_~pvlen~5; [L20] havoc main_~tmp___1~5; [L21] main_~k~5 := 0; [L22] havoc main_~n~5; [L23] main_~i~5 := 0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L25] main_~pvlen~5 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L28] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L29] assume !(main_#t~nondet1 != 0 && main_~i~5 <= 1000000); [L30] havoc main_#t~nondet1; [L31] assume main_~i~5 > main_~pvlen~5; [L32] main_~pvlen~5 := main_~i~5; [L33] main_~i~5 := 0; [L37] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L42] assume !!(main_#t~nondet2 != 0 && main_~i~5 <= 1000000); [L43] havoc main_#t~nondet2; [L44] main_~tmp___1~5 := main_~i~5; [L45] main_~i~5 := main_~i~5 + 1; [L46] main_~k~5 := main_~k~5 + 1; [L37] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L42] assume !!(main_#t~nondet2 != 0 && main_~i~5 <= 1000000); [L43] havoc main_#t~nondet2; [L44] main_~tmp___1~5 := main_~i~5; [L45] main_~i~5 := main_~i~5 + 1; [L46] main_~k~5 := main_~k~5 + 1; [L37] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L49] assume !(main_#t~nondet2 != 0 && main_~i~5 <= 1000000); [L50] havoc main_#t~nondet2; [L51] main_~j~5 := 0; [L52] main_~n~5 := main_~i~5; [L56] assume !false; [L57] __VERIFIER_assert_#in~cond := (if main_~k~5 >= 0 then 1 else 0); [L58] havoc __VERIFIER_assert_~cond; [L59] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L68] assume !(__VERIFIER_assert_~cond == 0); [L69] main_~k~5 := main_~k~5 - 1; [L70] main_~i~5 := main_~i~5 - 1; [L71] main_~j~5 := main_~j~5 + 1; [L72] assume !(main_~j~5 >= main_~n~5); [L56] assume !false; [L57] __VERIFIER_assert_#in~cond := (if main_~k~5 >= 0 then 1 else 0); [L58] havoc __VERIFIER_assert_~cond; [L59] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L68] assume !(__VERIFIER_assert_~cond == 0); [L69] main_~k~5 := main_~k~5 - 1; [L70] main_~i~5 := main_~i~5 - 1; [L71] main_~j~5 := main_~j~5 + 1; [L72] assume !(main_~j~5 >= main_~n~5); [L56] assume !false; [L57] __VERIFIER_assert_#in~cond := (if main_~k~5 >= 0 then 1 else 0); [L58] havoc __VERIFIER_assert_~cond; [L59] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L68] assume !(__VERIFIER_assert_~cond == 0); [L69] main_~k~5 := main_~k~5 - 1; [L70] main_~i~5 := main_~i~5 - 1; [L71] main_~j~5 := main_~j~5 + 1; [L72] assume !(main_~j~5 >= main_~n~5); [L56] assume !false; [L57] __VERIFIER_assert_#in~cond := (if main_~k~5 >= 0 then 1 else 0); [L58] havoc __VERIFIER_assert_~cond; [L59] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L64] assume __VERIFIER_assert_~cond == 0; [L65] assume !false; [L75] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...