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/sum03-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:25:45,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:25:45,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:25:45,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:25:45,743 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 [2019-09-03 21:25:45,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:25:45,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:25:45,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:25:45,762 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:25:45,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:25:45,763 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:25:45,763 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:25:45,764 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:25:45,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:25:45,764 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:25:45,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:25:45,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:25:45,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:25:45,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:25:45,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:25:45,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:25:45,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:25:45,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:25:45,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:25:45,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:25:45,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:25:45,767 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:25:45,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:25:45,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:25:45,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:25:45,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:25:45,768 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:25:45,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:25:45,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:25:45,769 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:25:45,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:25:45,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:25:45,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:25:45,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:25:45,814 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:25:45,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-1.i [2019-09-03 21:25:45,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fbdff58a/730d53a2add2432a947be041c4d3de52/FLAGc44989436 [2019-09-03 21:25:46,297 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:25:46,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-1.i [2019-09-03 21:25:46,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fbdff58a/730d53a2add2432a947be041c4d3de52/FLAGc44989436 [2019-09-03 21:25:46,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fbdff58a/730d53a2add2432a947be041c4d3de52 [2019-09-03 21:25:46,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:25:46,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:25:46,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:46,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:25:46,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:25:46,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:46,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25707088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46, skipping insertion in model container [2019-09-03 21:25:46,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:46,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:25:46,735 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:25:46,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:46,928 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:25:46,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:46,953 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:25:46,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46 WrapperNode [2019-09-03 21:25:46,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:46,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:25:46,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:25:46,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:25:47,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (1/1) ... [2019-09-03 21:25:47,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:25:47,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:25:47,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:25:47,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:25:47,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:46" (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 [2019-09-03 21:25:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:25:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:25:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:25:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:25:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:25:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:25:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-03 21:25:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:25:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:25:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:25:47,303 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:25:47,304 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:25:47,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:47 BoogieIcfgContainer [2019-09-03 21:25:47,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:25:47,306 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:25:47,306 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:25:47,306 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:25:47,307 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:47" (1/1) ... [2019-09-03 21:25:47,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:25:47,441 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:25:48,048 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:25:48,071 INFO L272 AbstractInterpreter]: Visited 19 different actions 162 times. Merged at 5 different actions 38 times. Widened at 1 different actions 3 times. Performed 214 root evaluator evaluations with a maximum evaluation depth of 8. Performed 214 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 9 fixpoints after 3 different actions. Largest state had 8 variables. [2019-09-03 21:25:48,071 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:25:48,076 INFO L168 Benchmark]: Toolchain (without parser) took 1363.26 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 83.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:48,078 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:25:48,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.33 ms. Allocated memory is still 131.1 MB. Free memory was 86.5 MB in the beginning and 77.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:48,082 INFO L168 Benchmark]: Boogie Preprocessor took 112.38 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.3 MB in the beginning and 175.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:48,084 INFO L168 Benchmark]: RCFGBuilder took 238.59 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 163.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:48,086 INFO L168 Benchmark]: Abstract Interpretation took 765.28 ms. Allocated memory is still 198.2 MB. Free memory was 162.9 MB in the beginning and 83.0 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:48,097 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.33 ms. Allocated memory is still 131.1 MB. Free memory was 86.5 MB in the beginning and 77.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.38 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.3 MB in the beginning and 175.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.59 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 163.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 765.28 ms. Allocated memory is still 198.2 MB. Free memory was 162.9 MB in the beginning and 83.0 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 4]: 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: [L10] int sn=0; [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L12] unsigned int x=0; [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND TRUE !(cond) [L4] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...