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 0.1.24-673a906-m [2019-10-03 12:39:11,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:39:11,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:39:11,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:39:11,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:39:11,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:39:11,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:39:11,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:39:11,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:39:11,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:39:11,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:39:11,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:39:11,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:39:11,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:39:11,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:39:11,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:39:11,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:39:11,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:39:11,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:39:11,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:39:11,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:39:11,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:39:11,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:39:11,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:39:11,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:39:11,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:39:11,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:39:11,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:39:11,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:39:11,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:39:11,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:39:11,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:39:11,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:39:11,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:39:11,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:39:11,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:39:11,679 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 [2019-10-03 12:39:11,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:39:11,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:39:11,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:39:11,713 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:39:11,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:39:11,714 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:39:11,714 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:39:11,714 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:39:11,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:39:11,715 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:39:11,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:39:11,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:39:11,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:39:11,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:39:11,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:39:11,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:39:11,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:39:11,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:39:11,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:39:11,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:39:11,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:39:11,723 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:39:11,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:39:11,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:39:11,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:39:11,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:39:11,725 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:39:11,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:39:11,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:39:11,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:39:11,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:39:11,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:39:11,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:39:11,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:39:11,779 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:39:11,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01-2.i [2019-10-03 12:39:11,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a678a2c0/4cccc0703fb94c3996cc376d50ae54d4/FLAG720f182b9 [2019-10-03 12:39:12,303 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:39:12,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-2.i [2019-10-03 12:39:12,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a678a2c0/4cccc0703fb94c3996cc376d50ae54d4/FLAG720f182b9 [2019-10-03 12:39:12,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a678a2c0/4cccc0703fb94c3996cc376d50ae54d4 [2019-10-03 12:39:12,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:39:12,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:39:12,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:12,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:39:12,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:39:12,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:12,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9437552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12, skipping insertion in model container [2019-10-03 12:39:12,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:12,686 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:39:12,700 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:39:12,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:12,949 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:39:12,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:12,974 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:39:12,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12 WrapperNode [2019-10-03 12:39:12,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:12,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:39:12,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:39:12,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:39:13,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:13,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:13,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:13,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:13,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:13,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:13,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (1/1) ... [2019-10-03 12:39:13,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:39:13,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:39:13,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:39:13,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:39:13,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:12" (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 [2019-10-03 12:39:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:39:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:39:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:39:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:39:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:39:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:39:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:39:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:39:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:39:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:39:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:39:13,323 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:39:13,324 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:39:13,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:13 BoogieIcfgContainer [2019-10-03 12:39:13,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:39:13,326 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:39:13,326 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:39:13,326 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:39:13,327 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:13" (1/1) ... [2019-10-03 12:39:13,350 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:13,665 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:39:13,686 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. [2019-10-03 12:39:13,687 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:13,690 INFO L168 Benchmark]: Toolchain (without parser) took 1018.42 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.2 MB in the beginning and 136.6 MB in the end (delta: -47.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:13,692 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:13,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.32 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 79.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:13,694 INFO L168 Benchmark]: Boogie Preprocessor took 110.03 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 79.4 MB in the beginning and 176.2 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:13,695 INFO L168 Benchmark]: RCFGBuilder took 240.05 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 164.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:13,696 INFO L168 Benchmark]: Abstract Interpretation took 361.20 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 136.6 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:13,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.32 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 79.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.03 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 79.4 MB in the beginning and 176.2 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 240.05 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 164.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 361.20 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 136.6 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 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...