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/sum01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:17,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:17,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:17,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:17,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:17,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:17,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:17,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:17,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:17,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:17,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:17,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:17,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:17,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:17,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:17,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:17,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:17,167 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 13:47:17,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:17,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:17,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:17,182 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:17,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:17,183 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:17,183 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:17,183 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:17,183 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:17,184 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:17,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:17,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:17,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:17,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:17,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:17,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:17,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:17,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:17,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:17,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:17,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:17,187 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:17,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:17,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:17,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:17,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:17,188 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:17,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:17,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:17,188 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:17,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:17,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:17,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:17,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:17,243 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:17,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01-2.i [2019-09-20 13:47:17,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11466e2c1/191cd3c461d74baca0272d60d20e20b2/FLAG130740b39 [2019-09-20 13:47:17,764 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:17,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-2.i [2019-09-20 13:47:17,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11466e2c1/191cd3c461d74baca0272d60d20e20b2/FLAG130740b39 [2019-09-20 13:47:18,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11466e2c1/191cd3c461d74baca0272d60d20e20b2 [2019-09-20 13:47:18,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:18,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:18,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:18,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:18,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:18,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab3a346 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 13:47:18,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:18" (1/1) ... [2019-09-20 13:47:18,202 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:18,222 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:18,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:18,437 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:18,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:18,466 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:18,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:18 WrapperNode [2019-09-20 13:47:18,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:18,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:18,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:18,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:18,569 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 13:47:18,571 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 13:47:18,576 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 13:47:18,576 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 13:47:18,579 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 13:47:18,584 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 13:47:18,585 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 13:47:18,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:18,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:18,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:18,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:18,588 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 13:47:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:18,836 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:18,837 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:18,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:18 BoogieIcfgContainer [2019-09-20 13:47:18,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:18,839 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:18,839 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:18,839 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:18,840 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 13:47:18,900 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:19,284 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:19,326 INFO L272 AbstractInterpreter]: Visited 22 different actions 95 times. Merged at 7 different actions 29 times. Widened at 1 different actions 3 times. Performed 102 root evaluator evaluations with a maximum evaluation depth of 7. Performed 102 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 6 fixpoints after 2 different actions. Largest state had 6 variables. [2019-09-20 13:47:19,326 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:19,330 INFO L168 Benchmark]: Toolchain (without parser) took 1143.78 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.7 MB in the beginning and 137.6 MB in the end (delta: -51.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,331 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.66 ms. Allocated memory is still 139.5 MB. Free memory was 85.5 MB in the beginning and 76.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,334 INFO L168 Benchmark]: Boogie Preprocessor took 118.80 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.0 MB in the beginning and 177.1 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,335 INFO L168 Benchmark]: RCFGBuilder took 251.67 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 165.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,336 INFO L168 Benchmark]: Abstract Interpretation took 487.46 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 137.6 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:19,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.66 ms. Allocated memory is still 139.5 MB. Free memory was 85.5 MB in the beginning and 76.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.80 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.0 MB in the beginning and 177.1 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.67 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 165.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 487.46 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 137.6 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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, n=__VERIFIER_nondet_int(), sn=0; [L12] int i, n=__VERIFIER_nondet_int(), sn=0; [L12] int i, n=__VERIFIER_nondet_int(), sn=0; [L13] COND FALSE !(!(n < 1000 && n >= -1000)) [L14] i=1 [L14] COND FALSE !(i<=n) [L17] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...