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-efa34d5 [2019-09-16 17:27:24,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:24,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:24,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:27:24,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:27:24,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:27:24,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:27:24,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:27:24,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:27:24,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:27:24,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:27:24,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:27:24,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:27:24,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:27:24,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:27:24,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:27:24,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:27:24,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:27:24,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:27:24,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:27:25,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:27:25,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:27:25,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:27:25,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:27:25,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:27:25,029 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 [2019-09-16 17:27:25,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:25,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:25,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:25,048 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:25,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:25,049 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:25,049 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:25,052 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:25,052 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:25,052 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:25,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:25,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:25,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:25,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:25,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:25,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:25,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:25,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:25,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:25,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:25,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:25,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:25,058 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:25,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:25,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:25,058 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:25,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:25,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:25,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:25,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:25,131 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:25,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01-2.i [2019-09-16 17:27:25,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93b33b68/e25c16bdf5b64926bf721f74f2d088a3/FLAG120389ca2 [2019-09-16 17:27:25,676 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:25,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-2.i [2019-09-16 17:27:25,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93b33b68/e25c16bdf5b64926bf721f74f2d088a3/FLAG120389ca2 [2019-09-16 17:27:26,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93b33b68/e25c16bdf5b64926bf721f74f2d088a3 [2019-09-16 17:27:26,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:26,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:26,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:26,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:26,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:26,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495414a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26, skipping insertion in model container [2019-09-16 17:27:26,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,104 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:26,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:26,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:26,293 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:26,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:26,320 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:26,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26 WrapperNode [2019-09-16 17:27:26,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:26,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:26,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:26,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:26,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:26,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:26,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:26,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:26,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (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 [2019-09-16 17:27:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:27:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:27:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:26,677 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:26,678 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:27:26,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:26 BoogieIcfgContainer [2019-09-16 17:27:26,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:26,680 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:26,680 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:26,681 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:26,682 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,730 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:27,171 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:27:27,207 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. [2019-09-16 17:27:27,207 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:27,220 INFO L168 Benchmark]: Toolchain (without parser) took 1126.62 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 87.7 MB in the beginning and 135.7 MB in the end (delta: -48.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,224 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.66 ms. Allocated memory is still 133.2 MB. Free memory was 87.5 MB in the beginning and 77.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,228 INFO L168 Benchmark]: Boogie Preprocessor took 113.30 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 77.7 MB in the beginning and 175.1 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,230 INFO L168 Benchmark]: RCFGBuilder took 244.68 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 163.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,233 INFO L168 Benchmark]: Abstract Interpretation took 533.28 ms. Allocated memory is still 198.2 MB. Free memory was 163.8 MB in the beginning and 135.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.66 ms. Allocated memory is still 133.2 MB. Free memory was 87.5 MB in the beginning and 77.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.30 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 77.7 MB in the beginning and 175.1 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 244.68 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 163.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 533.28 ms. Allocated memory is still 198.2 MB. Free memory was 163.8 MB in the beginning and 135.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 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...