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/nla-digbench/dijkstra.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:27:29,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:29,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:29,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:27:29,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:27:29,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:27:29,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:27:29,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:27:29,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:27:29,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:27:29,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:27:29,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:27:29,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:27:29,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:27:29,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:27:29,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:27:29,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:27:29,657 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 21:27:29,682 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:29,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:29,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:29,684 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:29,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:29,685 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:29,685 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:29,685 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:29,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:29,686 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:29,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:29,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:29,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:29,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:29,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:29,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:29,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:29,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:29,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:29,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:29,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:29,690 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:29,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:29,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:29,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:29,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:29,691 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:29,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:29,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:29,692 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:29,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:29,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:29,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:29,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:29,775 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:29,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/dijkstra.c [2019-09-03 21:27:29,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/614537043/be2bdcac5c004f3e9fd133a46d03ae10/FLAG893548957 [2019-09-03 21:27:30,272 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:30,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/dijkstra.c [2019-09-03 21:27:30,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/614537043/be2bdcac5c004f3e9fd133a46d03ae10/FLAG893548957 [2019-09-03 21:27:30,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/614537043/be2bdcac5c004f3e9fd133a46d03ae10 [2019-09-03 21:27:30,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:30,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:30,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:30,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:30,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:30,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:30" (1/1) ... [2019-09-03 21:27:30,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7268adb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:30, skipping insertion in model container [2019-09-03 21:27:30,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:30" (1/1) ... [2019-09-03 21:27:30,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:30,700 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:30,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:30,954 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:31,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:31,134 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:31,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31 WrapperNode [2019-09-03 21:27:31,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:31,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:31,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:31,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:31,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:31,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:31,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:31,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:31,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31" (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 21:27:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:27:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:27:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:27:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:31,462 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:31,463 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 21:27:31,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:31 BoogieIcfgContainer [2019-09-03 21:27:31,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:31,479 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:31,479 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:31,480 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:31,481 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,528 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:31,876 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:31,900 INFO L272 AbstractInterpreter]: Visited 23 different actions 173 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Performed 183 root evaluator evaluations with a maximum evaluation depth of 8. Performed 183 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 7 variables. [2019-09-03 21:27:31,901 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:31,906 INFO L168 Benchmark]: Toolchain (without parser) took 1247.18 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.4 MB in the beginning and 138.2 MB in the end (delta: -49.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:31,907 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 21:27:31,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.17 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.2 MB in the beginning and 177.1 MB in the end (delta: -88.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:31,911 INFO L168 Benchmark]: Boogie Preprocessor took 50.98 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 175.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:31,913 INFO L168 Benchmark]: RCFGBuilder took 278.58 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 161.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:31,914 INFO L168 Benchmark]: Abstract Interpretation took 422.11 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 138.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:31,918 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 478.17 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.2 MB in the beginning and 177.1 MB in the end (delta: -88.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.98 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 175.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 278.58 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 161.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 422.11 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 138.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 9]: 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: [L15] int n, p, q, r, h; [L17] n = __VERIFIER_nondet_int() [L19] p = 0 [L20] q = 1 [L21] r = n [L22] h = 0 [L23] COND TRUE 1 [L24] COND TRUE !(q <= n) [L31] COND TRUE 1 [L32] CALL __VERIFIER_assert(r < 2 * p + q) [L7] COND TRUE !(cond) [L9] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...