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/loops/sum01_bug02.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:17,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:17,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:17,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:17,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:17,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:17,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:17,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:17,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:17,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:17,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:17,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:17,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:17,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:17,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:17,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:17,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:17,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:17,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:17,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:17,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:17,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:17,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:17,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:17,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:17,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:17,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:17,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:17,258 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 13:47:17,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:17,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:17,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:17,275 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:17,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:17,276 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:17,276 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:17,276 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:17,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:17,277 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:17,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:17,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:17,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:17,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:17,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:17,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:17,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:17,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:17,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:17,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:17,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:17,280 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:17,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:17,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:17,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:17,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:17,281 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:17,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:17,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:17,281 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:17,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:17,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:17,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:17,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:17,336 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:17,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_bug02.i [2019-09-20 13:47:17,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747fd7feb/47364b8902cb412ab44a87c681587a20/FLAG25a8013f0 [2019-09-20 13:47:17,845 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:17,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02.i [2019-09-20 13:47:17,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747fd7feb/47364b8902cb412ab44a87c681587a20/FLAG25a8013f0 [2019-09-20 13:47:18,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747fd7feb/47364b8902cb412ab44a87c681587a20 [2019-09-20 13:47:18,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:18,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:18,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:18,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:18,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:18,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2db003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18, skipping insertion in model container [2019-09-20 13:47:18,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,286 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:18,303 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:18,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:18,550 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:18,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:18,586 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:18,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18 WrapperNode [2019-09-20 13:47:18,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:18,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:18,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:18,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:18,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:18,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:18,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:18,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:18,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18" (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 13:47:18,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:18,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:47:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:18,967 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:18,967 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:18,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:18 BoogieIcfgContainer [2019-09-20 13:47:18,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:18,973 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:18,973 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:18,979 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:18,981 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:19,018 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:19,141 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:19,469 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:19,489 INFO L272 AbstractInterpreter]: Visited 23 different actions 165 times. Merged at 8 different actions 62 times. Widened at 1 different actions 6 times. Performed 220 root evaluator evaluations with a maximum evaluation depth of 7. Performed 220 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 15 fixpoints after 3 different actions. Largest state had 8 variables. [2019-09-20 13:47:19,489 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:19,493 INFO L168 Benchmark]: Toolchain (without parser) took 1221.54 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 89.8 MB in the beginning and 125.4 MB in the end (delta: -35.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,494 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.21 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 80.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,496 INFO L168 Benchmark]: Boogie Preprocessor took 120.10 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 80.3 MB in the beginning and 175.8 MB in the end (delta: -95.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,497 INFO L168 Benchmark]: RCFGBuilder took 264.24 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 163.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,498 INFO L168 Benchmark]: Abstract Interpretation took 516.97 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 125.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.21 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 80.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.10 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 80.3 MB in the beginning and 175.8 MB in the end (delta: -95.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.24 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 163.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 516.97 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 125.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 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: [L12] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; [L12] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; [L13] i=1 [L13] COND FALSE !(i<=n) [L18] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...