java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005b.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:43,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:43,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:43,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:43,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:47:43,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:47:43,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:47:43,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:47:43,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:47:43,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:47:43,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:47:43,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:47:43,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:43,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:43,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:43,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:47:43,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:43,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:43,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:43,457 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:43,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:43,458 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:43,458 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:43,458 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:43,458 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:43,459 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:43,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:43,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:43,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:43,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:43,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:43,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:43,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:43,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:43,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:43,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:43,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:43,461 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:43,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:43,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:43,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:43,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:43,462 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:43,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:43,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:43,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:43,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:43,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:43,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:43,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:43,507 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:43,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005b.i [2019-09-20 13:47:43,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304dfc766/a19021d1bf554988ae4918e44ac3cd31/FLAGa29cb3f12 [2019-09-20 13:47:44,004 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:44,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005b.i [2019-09-20 13:47:44,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304dfc766/a19021d1bf554988ae4918e44ac3cd31/FLAGa29cb3f12 [2019-09-20 13:47:44,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/304dfc766/a19021d1bf554988ae4918e44ac3cd31 [2019-09-20 13:47:44,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:44,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:44,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:44,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:44,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:44,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfff92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44, skipping insertion in model container [2019-09-20 13:47:44,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,469 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:44,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:44,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:44,686 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:44,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:44,717 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:44,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44 WrapperNode [2019-09-20 13:47:44,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:44,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:44,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:44,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:44,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:44,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:44,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:44,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:44,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (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 [2019-09-20 13:47:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:45,070 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:45,070 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 13:47:45,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:45 BoogieIcfgContainer [2019-09-20 13:47:45,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:45,072 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:45,073 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:45,080 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:45,081 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:45" (1/1) ... [2019-09-20 13:47:45,137 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:45,316 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:45,346 INFO L272 AbstractInterpreter]: Visited 27 different actions 101 times. Merged at 5 different actions 28 times. Widened at 4 different actions 11 times. Performed 174 root evaluator evaluations with a maximum evaluation depth of 6. Performed 174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7 fixpoints after 3 different actions. Largest state had 4 variables. [2019-09-20 13:47:45,346 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:45,349 INFO L168 Benchmark]: Toolchain (without parser) took 893.40 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.2 MB in the beginning and 156.2 MB in the end (delta: -67.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:45,350 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:45,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.63 ms. Allocated memory is still 134.2 MB. Free memory was 89.0 MB in the beginning and 79.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:45,352 INFO L168 Benchmark]: Boogie Preprocessor took 109.78 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 79.6 MB in the beginning and 176.9 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:45,353 INFO L168 Benchmark]: RCFGBuilder took 242.95 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 165.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:45,354 INFO L168 Benchmark]: Abstract Interpretation took 273.60 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 156.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:45,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.63 ms. Allocated memory is still 134.2 MB. Free memory was 89.0 MB in the beginning and 79.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.78 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 79.6 MB in the beginning and 176.9 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.95 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 165.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 273.60 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 156.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L11] int i,j,k; [L12] i = 0 [L13] k = 9 [L14] j = -100 [L15] COND TRUE i <= 100 [L16] i = i + 1 [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND TRUE j < 20 [L18] j = i + j [L17] COND FALSE !(j < 20) [L20] k = 4 [L21] COND FALSE !(k <= 3) [L15] COND TRUE i <= 100 [L16] i = i + 1 [L17] COND FALSE !(j < 20) [L20] k = 4 [L21] COND FALSE !(k <= 3) [L15] COND TRUE i <= 100 [L16] i = i + 1 [L17] COND FALSE !(j < 20) [L20] k = 4 [L21] COND FALSE !(k <= 3) [L15] COND TRUE i <= 100 [L16] i = i + 1 [L17] COND FALSE !(j < 20) [L20] k = 4 [L21] COND FALSE !(k <= 3) [L15] COND TRUE i <= 100 [L16] i = i + 1 [L17] COND FALSE !(j < 20) [L20] k = 4 [L21] COND FALSE !(k <= 3) [L15] COND FALSE !(i <= 100) [L25] CALL __VERIFIER_assert(k == 4) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...