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 0.1.24-112bae1 [2019-09-11 16:14:22,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:14:22,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:14:22,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:14:22,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:14:22,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:14:22,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:14:22,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:14:22,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:14:22,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:14:22,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:14:22,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:14:22,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:14:22,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:14:22,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:14:22,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:14:22,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:14:22,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:14:22,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:14:22,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:14:22,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:14:22,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:14:22,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:14:22,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:14:22,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:14:22,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:14:22,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:14:22,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:14:22,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:14:22,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:14:22,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:14:22,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:14:22,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:14:22,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:14:22,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:14:22,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:14:22,531 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 [2019-09-11 16:14:22,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:14:22,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:14:22,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:14:22,546 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:14:22,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:14:22,547 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:14:22,547 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:14:22,547 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:14:22,548 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:14:22,548 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:14:22,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:14:22,549 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:14:22,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:14:22,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:14:22,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:14:22,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:14:22,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:14:22,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:14:22,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:14:22,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:14:22,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:14:22,551 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:14:22,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:14:22,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:14:22,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:14:22,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:14:22,552 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:14:22,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:14:22,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:14:22,552 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:14:22,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:14:22,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:14:22,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:14:22,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:14:22,612 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:14:22,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/dijkstra.c [2019-09-11 16:14:22,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ff9d7ca/cab93b927c184a5db01a19796bad6365/FLAGe94fae21d [2019-09-11 16:14:23,125 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:14:23,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/dijkstra.c [2019-09-11 16:14:23,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ff9d7ca/cab93b927c184a5db01a19796bad6365/FLAGe94fae21d [2019-09-11 16:14:23,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ff9d7ca/cab93b927c184a5db01a19796bad6365 [2019-09-11 16:14:23,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:14:23,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:14:23,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:14:23,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:14:23,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:14:23,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fd976a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23, skipping insertion in model container [2019-09-11 16:14:23,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:14:23,548 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:14:23,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:14:23,725 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:14:23,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:14:23,771 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:14:23,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23 WrapperNode [2019-09-11 16:14:23,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:14:23,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:14:23,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:14:23,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:14:23,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (1/1) ... [2019-09-11 16:14:23,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:14:23,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:14:23,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:14:23,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:14:23,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:14:23" (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 [2019-09-11 16:14:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:14:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:14:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:14:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:14:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:14:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:14:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:14:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:14:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:14:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:14:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:14:24,199 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:14:24,200 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-11 16:14:24,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:14:24 BoogieIcfgContainer [2019-09-11 16:14:24,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:14:24,202 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:14:24,202 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:14:24,202 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:14:24,203 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:14:24" (1/1) ... [2019-09-11 16:14:24,233 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:14:24,552 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:14:24,572 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. [2019-09-11 16:14:24,572 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:14:24,576 INFO L168 Benchmark]: Toolchain (without parser) took 1063.47 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 90.7 MB in the beginning and 140.7 MB in the end (delta: -50.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:24,577 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:14:24,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.05 ms. Allocated memory is still 134.2 MB. Free memory was 90.5 MB in the beginning and 80.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:24,580 INFO L168 Benchmark]: Boogie Preprocessor took 129.88 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 80.0 MB in the beginning and 178.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:24,581 INFO L168 Benchmark]: RCFGBuilder took 298.42 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 164.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:24,582 INFO L168 Benchmark]: Abstract Interpretation took 370.59 ms. Allocated memory is still 201.9 MB. Free memory was 164.1 MB in the beginning and 140.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:14:24,587 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 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.05 ms. Allocated memory is still 134.2 MB. Free memory was 90.5 MB in the beginning and 80.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.88 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 80.0 MB in the beginning and 178.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.42 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 164.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 370.59 ms. Allocated memory is still 201.9 MB. Free memory was 164.1 MB in the beginning and 140.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 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...