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/programs/toy/TerminatorAmirsExample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:52,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:52,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:52,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:52,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:52,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:52,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:52,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:52,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:52,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:52,976 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:52,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:15:53,023 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 12:15:53,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:53,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:53,045 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:53,045 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:53,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:53,046 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:53,046 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:53,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:53,046 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:53,046 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:53,047 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:53,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:53,048 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:53,048 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:53,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:53,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:53,050 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:53,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:53,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:53,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:53,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:53,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:53,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:53,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:53,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:53,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:53,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:53,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:53,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:53,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:53,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:53,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:53,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:53,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:53,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:53,055 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:53,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:53,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:53,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:53,055 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:53,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:53,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:53,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:53,118 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:53,118 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:53,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorAmirsExample.bpl [2019-08-05 12:15:53,119 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TerminatorAmirsExample.bpl' [2019-08-05 12:15:53,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:53,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:53,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:53,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:53,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:53,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,185 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:53,186 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:53,186 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:53,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:53,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:53,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:53,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:53,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:53,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:53,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:53,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:53,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (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 12:15:53,283 INFO L124 BoogieDeclarations]: Specification and implementation of procedure TerminatorAmirsExample given in one single declaration [2019-08-05 12:15:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure TerminatorAmirsExample [2019-08-05 12:15:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminatorAmirsExample [2019-08-05 12:15:53,649 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:53,649 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:15:53,652 INFO L202 PluginConnector]: Adding new model TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:53 BoogieIcfgContainer [2019-08-05 12:15:53,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:53,654 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:53,654 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:53,655 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:53,657 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "TerminatorAmirsExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:53,838 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:53,861 INFO L272 AbstractInterpreter]: Visited 13 different actions 25 times. Merged at 5 different actions 5 times. Never widened. Performed 72 root evaluator evaluations with a maximum evaluation depth of 6. Performed 72 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 10 fixpoints after 7 different actions. Largest state had 0 variables. [2019-08-05 12:15:53,861 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:53,865 INFO L168 Benchmark]: Toolchain (without parser) took 710.90 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 85.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:53,866 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:53,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.40 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 103.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:53,869 INFO L168 Benchmark]: Boogie Preprocessor took 22.72 ms. Allocated memory is still 131.6 MB. Free memory was 103.8 MB in the beginning and 102.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:53,870 INFO L168 Benchmark]: RCFGBuilder took 441.20 ms. Allocated memory is still 131.6 MB. Free memory was 102.6 MB in the beginning and 92.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:53,871 INFO L168 Benchmark]: Abstract Interpretation took 207.00 ms. Allocated memory is still 131.6 MB. Free memory was 92.6 MB in the beginning and 85.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:53,876 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 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 107.0 MB in the beginning and 106.8 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 35.40 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 103.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.72 ms. Allocated memory is still 131.6 MB. Free memory was 103.8 MB in the beginning and 102.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 441.20 ms. Allocated memory is still 131.6 MB. Free memory was 102.6 MB in the beginning and 92.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 207.00 ms. Allocated memory is still 131.6 MB. Free memory was 92.6 MB in the beginning and 85.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 22]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L19] pcAlt := 0; [L22] assert pcAlt != 1 || x < xAlt || y < yAlt; [L25] COND TRUE pcAlt == 0 [L26] xAlt := x; [L27] yAlt := y; [L28] pcAlt := 1; [L31] COND TRUE x >= y [L33] x := y - 1; [L34] havoc y; [L22] assert pcAlt != 1 || x < xAlt || y < yAlt; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...