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/concurrent/CPS1-1617-Sheet03-Exercise03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:12:22,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:12:22,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:12:22,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:12:22,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:12:22,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:12:22,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:12:22,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:12:22,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:12:22,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:12:22,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:12:22,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:12:22,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:12:22,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:12:22,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:12:22,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:12:22,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:12:22,994 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 12:12:23,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:12:23,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:12:23,025 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:12:23,025 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:12:23,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:12:23,026 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:12:23,026 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:12:23,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:12:23,026 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:12:23,026 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:12:23,027 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:12:23,027 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:12:23,027 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:12:23,030 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:12:23,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:12:23,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:12:23,032 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:12:23,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:12:23,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:12:23,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:12:23,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:12:23,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:12:23,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:12:23,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:12:23,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:12:23,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:12:23,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:12:23,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:12:23,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:12:23,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:12:23,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:12:23,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:12:23,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:12:23,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:12:23,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:12:23,037 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:12:23,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:12:23,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:12:23,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:12:23,038 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:12:23,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:12:23,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:12:23,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:12:23,100 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:12:23,100 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:12:23,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/CPS1-1617-Sheet03-Exercise03.bpl [2019-08-05 12:12:23,102 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/CPS1-1617-Sheet03-Exercise03.bpl' [2019-08-05 12:12:23,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:12:23,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:12:23,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:12:23,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:12:23,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:12:23,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,177 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:12:23,177 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:12:23,177 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:12:23,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:12:23,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:12:23,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:12:23,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:12:23,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:12:23,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:12:23,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:12:23,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:12:23,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:23" (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 12:12:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure Thread2 [2019-08-05 12:12:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread2 [2019-08-05 12:12:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure Thread1 [2019-08-05 12:12:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread1 [2019-08-05 12:12:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure ~init [2019-08-05 12:12:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ~init [2019-08-05 12:12:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure Thread0 [2019-08-05 12:12:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread0 [2019-08-05 12:12:23,618 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:12:23,618 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:12:23,619 INFO L202 PluginConnector]: Adding new model CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:12:23 BoogieIcfgContainer [2019-08-05 12:12:23,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:12:23,620 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:12:23,621 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:12:23,621 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:12:23,622 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:12:23" (1/1) ... [2019-08-05 12:12:23,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:12:23,872 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:12:23,894 INFO L272 AbstractInterpreter]: Visited 16 different actions 34 times. Merged at 3 different actions 9 times. Never widened. Performed 230 root evaluator evaluations with a maximum evaluation depth of 6. Performed 230 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6 fixpoints after 6 different actions. Largest state had 0 variables. [2019-08-05 12:12:23,894 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:12:23,898 INFO L168 Benchmark]: Toolchain (without parser) took 756.96 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 86.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:23,899 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:12:23,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.05 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:23,901 INFO L168 Benchmark]: Boogie Preprocessor took 33.05 ms. Allocated memory is still 141.6 MB. Free memory was 105.5 MB in the beginning and 104.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:23,903 INFO L168 Benchmark]: RCFGBuilder took 405.46 ms. Allocated memory is still 141.6 MB. Free memory was 104.4 MB in the beginning and 93.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:23,904 INFO L168 Benchmark]: Abstract Interpretation took 274.17 ms. Allocated memory is still 141.6 MB. Free memory was 93.5 MB in the beginning and 86.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:23,909 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 0.27 ms. Allocated memory is still 141.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.05 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.05 ms. Allocated memory is still 141.6 MB. Free memory was 105.5 MB in the beginning and 104.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 405.46 ms. Allocated memory is still 141.6 MB. Free memory was 104.4 MB in the beginning and 93.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 274.17 ms. Allocated memory is still 141.6 MB. Free memory was 93.5 MB in the beginning and 86.3 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: 39]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L31] i := 1; [L32] COND TRUE i <= 3 [L33] x_local := x; [L34] x_local := x_local + 1; [L35] x := x_local; [L36] i := i + 1; [L32] COND TRUE i <= 3 [L33] x_local := x; [L34] x_local := x_local + 1; [L35] x := x_local; [L36] i := i + 1; [L32] COND FALSE !(i <= 3) [L38] finished_processes := finished_processes + 1; [L39] assert finished_processes == 3 ==> x != 1; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...