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/gcnr2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:45,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:45,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:45,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:26:45,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:26:45,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:26:45,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:26:45,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:26:45,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:26:45,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:26:45,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:26:45,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:26:45,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:45,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:45,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:45,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:45,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:45,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:45,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:45,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:45,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:45,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:45,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:45,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:45,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:45,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:45,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:45,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:45,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:45,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:45,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:45,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:45,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:45,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:45,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:45,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:45,522 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 [2019-09-03 21:26:45,537 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:45,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:45,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:45,540 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:45,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:45,541 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:45,541 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:45,541 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:45,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:45,541 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:45,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:45,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:45,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:45,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:45,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:45,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:45,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:45,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:45,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:45,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:45,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:45,544 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:45,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:45,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:45,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:45,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:45,547 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:45,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:45,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:45,548 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:45,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:45,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:45,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:45,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:45,622 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:45,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-03 21:26:45,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5ccb5cb/ffcc763d53dd490d81c330778f3c30c4/FLAGb9951c415 [2019-09-03 21:26:46,149 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:46,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-03 21:26:46,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5ccb5cb/ffcc763d53dd490d81c330778f3c30c4/FLAGb9951c415 [2019-09-03 21:26:46,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5ccb5cb/ffcc763d53dd490d81c330778f3c30c4 [2019-09-03 21:26:46,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:46,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:46,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:46,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:46,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:46,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc01419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46, skipping insertion in model container [2019-09-03 21:26:46,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,554 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:46,576 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:46,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:46,756 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:46,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:46,785 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:46,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46 WrapperNode [2019-09-03 21:26:46,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:46,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:46,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:46,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:46,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:46,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:46,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:46,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:46,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:46" (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 [2019-09-03 21:26:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:47,147 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:47,147 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:47,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:47 BoogieIcfgContainer [2019-09-03 21:26:47,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:47,149 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:47,150 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:47,150 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:47,151 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:47" (1/1) ... [2019-09-03 21:26:47,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:47,759 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:47,787 INFO L272 AbstractInterpreter]: Visited 30 different actions 305 times. Merged at 15 different actions 132 times. Widened at 1 different actions 5 times. Performed 611 root evaluator evaluations with a maximum evaluation depth of 6. Performed 611 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 51 fixpoints after 6 different actions. Largest state had 8 variables. [2019-09-03 21:26:47,788 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:47,793 INFO L168 Benchmark]: Toolchain (without parser) took 1252.81 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 88.7 MB in the beginning and 130.7 MB in the end (delta: -42.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:47,794 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:47,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.38 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 79.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:47,798 INFO L168 Benchmark]: Boogie Preprocessor took 118.13 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 174.8 MB in the end (delta: -95.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:47,800 INFO L168 Benchmark]: RCFGBuilder took 243.62 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 162.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:47,801 INFO L168 Benchmark]: Abstract Interpretation took 638.52 ms. Allocated memory is still 198.7 MB. Free memory was 162.6 MB in the beginning and 130.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:47,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.38 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 79.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.13 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 174.8 MB in the end (delta: -95.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 243.62 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 162.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 638.52 ms. Allocated memory is still 198.7 MB. Free memory was 162.6 MB in the beginning and 130.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 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 x,y,z,w; [L12] EXPR w = 0 [L12] EXPR z = w = 0 [L12] EXPR y = z = w = 0 [L12] x = y = z = w = 0 [L13] COND FALSE !(__VERIFIER_nondet_int() && y < 10000) [L28] CALL __VERIFIER_assert(x >= 4 && y <= 2) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...