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_compound_exp_cong.epf -i ../../../trunk/examples/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:13:34,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:13:34,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:13:34,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:13:34,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:13:34,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:13:34,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:13:34,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:13:34,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:13:34,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:13:34,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:13:34,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:13:34,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:13:34,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:13:34,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:13:34,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:13:34,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:13:34,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:13:34,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:13:34,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:13:34,940 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:13:34,940 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:13:34,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:13:34,941 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:13:34,941 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:13:34,941 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:13:34,941 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:13:34,941 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:13:34,942 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:13:34,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:13:34,942 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:13:34,942 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:13:34,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:13:34,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:13:34,943 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:13:34,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:13:34,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:13:34,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:13:34,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:13:34,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:13:34,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:13:34,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:13:34,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:13:34,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:13:34,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:13:34,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:13:34,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:13:34,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:13:34,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:13:34,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:13:34,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:13:34,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:13:34,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:13:34,947 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:13:34,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:13:34,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:13:34,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:13:34,948 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:13:34,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:13:35,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:13:35,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:13:35,010 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:13:35,011 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:13:35,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl [2019-08-05 12:13:35,012 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl' [2019-08-05 12:13:35,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:13:35,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:13:35,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:13:35,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:13:35,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:13:35,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,077 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:13:35,077 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:13:35,077 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:13:35,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:13:35,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:13:35,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:13:35,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:13:35,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:13:35,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:13:35,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:13:35,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:13:35,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:35" (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 [2019-08-05 12:13:35,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure a given in one single declaration [2019-08-05 12:13:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure a [2019-08-05 12:13:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure a [2019-08-05 12:13:35,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure b given in one single declaration [2019-08-05 12:13:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure b [2019-08-05 12:13:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure b [2019-08-05 12:13:35,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure c given in one single declaration [2019-08-05 12:13:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure c [2019-08-05 12:13:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure c [2019-08-05 12:13:35,501 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 12:13:35,510 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:13:35,510 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-05 12:13:35,512 INFO L202 PluginConnector]: Adding new model ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:13:35 BoogieIcfgContainer [2019-08-05 12:13:35,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:13:35,515 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:13:35,515 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:13:35,515 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:13:35,516 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:13:35" (1/1) ... [2019-08-05 12:13:35,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:13:35,586 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:13:35,605 INFO L272 AbstractInterpreter]: Visited 17 different actions 17 times. Never merged. Never widened. Performed 35 root evaluator evaluations with a maximum evaluation depth of 1. Performed 35 inverse root evaluator evaluations with a maximum inverse evaluation depth of 1. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:13:35,606 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:13:35,609 INFO L168 Benchmark]: Toolchain (without parser) took 564.73 ms. Allocated memory is still 140.0 MB. Free memory was 105.0 MB in the beginning and 87.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:35,611 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:13:35,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.94 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 102.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:35,614 INFO L168 Benchmark]: Boogie Preprocessor took 24.18 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 101.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:35,615 INFO L168 Benchmark]: RCFGBuilder took 396.23 ms. Allocated memory is still 140.0 MB. Free memory was 101.5 MB in the beginning and 92.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:35,616 INFO L168 Benchmark]: Abstract Interpretation took 91.42 ms. Allocated memory is still 140.0 MB. Free memory was 92.4 MB in the beginning and 87.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:35,621 INFO L335 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 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.94 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 102.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.18 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 101.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.23 ms. Allocated memory is still 140.0 MB. Free memory was 101.5 MB in the beginning and 92.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 91.42 ms. Allocated memory is still 140.0 MB. Free memory was 92.4 MB in the beginning and 87.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 4]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14-L15] requires (forall cStart : bool :: true); [L14-L16] ensures (forall cEnd : bool :: true); [L7-L8] ensures (forall bEnd : bool :: true); [L4] assert false; - PositiveResult [Line: 14]: procedure precondition always holds and assertion always holds For all program executions holds that procedure precondition always holds and assertion always holds at this location - PositiveResult [Line: 7]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - PositiveResult [Line: 7]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 14]: procedure precondition always holds and assertion always holds For all program executions holds that procedure precondition always holds and assertion always holds at this location - PositiveResult [Line: 14]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 14]: procedure postcondition always holds and assertion always holds For all program executions holds that procedure postcondition always holds and assertion always holds at this location - PositiveResult [Line: 14]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...