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/css2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:44,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:44,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:44,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:44,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:44,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:44,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:44,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:44,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:44,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:44,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:44,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:44,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:44,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:44,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:44,483 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 21:26:44,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:44,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:44,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:44,511 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:44,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:44,512 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:44,512 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:44,513 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:44,513 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:44,513 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:44,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:44,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:44,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:44,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:44,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:44,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:44,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:44,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:44,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:44,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:44,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:44,518 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:44,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:44,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:44,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:44,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:44,519 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:44,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:44,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:44,520 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:44,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:44,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:44,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:44,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:44,578 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:44,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003.i [2019-09-03 21:26:44,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201a36efa/41ffbccdc2694e31ba3abfab6b160d86/FLAGeaef5af0c [2019-09-03 21:26:45,155 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:45,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003.i [2019-09-03 21:26:45,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201a36efa/41ffbccdc2694e31ba3abfab6b160d86/FLAGeaef5af0c [2019-09-03 21:26:45,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201a36efa/41ffbccdc2694e31ba3abfab6b160d86 [2019-09-03 21:26:45,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:45,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:45,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:45,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:45,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:45,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ec2fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45, skipping insertion in model container [2019-09-03 21:26:45,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:45,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:45,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:45,729 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:45,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:45,766 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:45,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45 WrapperNode [2019-09-03 21:26:45,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:45,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:45,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:45,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:45,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (1/1) ... [2019-09-03 21:26:45,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:45,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:45,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:45,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:45,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:45" (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 21:26:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:46,143 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:46,143 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:46,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:46 BoogieIcfgContainer [2019-09-03 21:26:46,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:46,146 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:46,146 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:46,147 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:46,148 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:46" (1/1) ... [2019-09-03 21:26:46,204 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:46,614 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:46,638 INFO L272 AbstractInterpreter]: Visited 22 different actions 107 times. Merged at 5 different actions 22 times. Widened at 1 different actions 3 times. Performed 147 root evaluator evaluations with a maximum evaluation depth of 7. Performed 147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 4 fixpoints after 2 different actions. Largest state had 5 variables. [2019-09-03 21:26:46,638 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:46,643 INFO L168 Benchmark]: Toolchain (without parser) took 1115.87 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 85.9 MB in the beginning and 133.1 MB in the end (delta: -47.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:46,645 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:46,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.64 ms. Allocated memory is still 140.0 MB. Free memory was 85.7 MB in the beginning and 76.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:46,649 INFO L168 Benchmark]: Boogie Preprocessor took 131.68 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 76.5 MB in the beginning and 178.9 MB in the end (delta: -102.4 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:46,651 INFO L168 Benchmark]: RCFGBuilder took 245.68 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:46,652 INFO L168 Benchmark]: Abstract Interpretation took 492.45 ms. Allocated memory is still 200.8 MB. Free memory was 167.8 MB in the beginning and 133.1 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:46,662 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.64 ms. Allocated memory is still 140.0 MB. Free memory was 85.7 MB in the beginning and 76.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.68 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 76.5 MB in the beginning and 178.9 MB in the end (delta: -102.4 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.68 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 492.45 ms. Allocated memory is still 200.8 MB. Free memory was 167.8 MB in the beginning and 133.1 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 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 = 1 [L13] j = 1 [L14] k = __VERIFIER_nondet_int() [L15] COND FALSE !(!(0 <= k && k <= 1)) [L16] COND TRUE i < 1000000 [L17] i = i + 1 [L18] j = j + k [L19] k = k - 1 [L20] CALL __VERIFIER_assert(1 <= i + k && i + k <= 2 && i >= 1) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...