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/for_bounded_loop1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:58,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:58,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:58,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:38:58,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:38:58,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:38:58,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:38:58,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:38:58,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:38:58,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:38:58,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:38:58,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:38:58,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:58,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:58,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:58,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:58,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:58,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:58,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:58,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:58,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:58,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:58,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:58,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:58,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:58,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:58,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:58,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:58,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:58,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:58,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:58,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:58,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:38:58,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:38:58,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:38:58,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:38:58,202 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 12:38:58,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:58,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:58,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:58,217 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:58,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:58,218 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:58,218 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:58,218 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:58,218 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:58,219 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:58,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:58,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:58,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:58,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:58,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:58,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:58,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:58,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:58,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:58,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:58,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:58,221 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:58,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:58,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:58,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:58,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:58,222 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:58,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:58,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:58,223 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:58,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:58,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:58,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:58,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:58,268 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:58,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_bounded_loop1.c [2019-10-03 12:38:58,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a49f80e6/9a2fecffd68f429fbdb86ab5cb10059a/FLAG8a39ce31f [2019-10-03 12:38:58,724 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:58,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_bounded_loop1.c [2019-10-03 12:38:58,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a49f80e6/9a2fecffd68f429fbdb86ab5cb10059a/FLAG8a39ce31f [2019-10-03 12:38:59,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a49f80e6/9a2fecffd68f429fbdb86ab5cb10059a [2019-10-03 12:38:59,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:59,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:59,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:59,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:59,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:59,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f82b407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59, skipping insertion in model container [2019-10-03 12:38:59,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,180 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:59,198 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:59,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:59,415 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:59,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:59,441 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:59,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59 WrapperNode [2019-10-03 12:38:59,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:59,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:59,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:59,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:59,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:59,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:59,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:59,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:59,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:59" (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 12:38:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:38:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:38:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:59,813 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:59,813 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:38:59,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:59 BoogieIcfgContainer [2019-10-03 12:38:59,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:59,815 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:59,815 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:59,816 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:59,816 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:59" (1/1) ... [2019-10-03 12:38:59,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:00,110 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:39:00,130 INFO L272 AbstractInterpreter]: Visited 29 different actions 141 times. Merged at 12 different actions 36 times. Widened at 1 different actions 1 times. Performed 169 root evaluator evaluations with a maximum evaluation depth of 7. Performed 169 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 7 fixpoints after 2 different actions. Largest state had 8 variables. [2019-10-03 12:39:00,130 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:00,133 INFO L168 Benchmark]: Toolchain (without parser) took 967.40 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.4 MB in the beginning and 145.9 MB in the end (delta: -58.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:00,135 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:00,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.35 ms. Allocated memory is still 131.6 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:00,138 INFO L168 Benchmark]: Boogie Preprocessor took 124.16 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.5 MB in the beginning and 176.1 MB in the end (delta: -98.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:00,139 INFO L168 Benchmark]: RCFGBuilder took 248.06 ms. Allocated memory is still 199.8 MB. Free memory was 176.1 MB in the beginning and 163.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:00,140 INFO L168 Benchmark]: Abstract Interpretation took 314.94 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 145.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:00,144 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.35 ms. Allocated memory is still 131.6 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.16 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.5 MB in the beginning and 176.1 MB in the end (delta: -98.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.06 ms. Allocated memory is still 199.8 MB. Free memory was 176.1 MB in the beginning and 163.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 314.94 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 145.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 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: [L14] int i=0, x=0, y=0; [L15] int n=__VERIFIER_nondet_int(); [L16] COND FALSE !(!(n>0)) [L17] i=0 [L17] COND TRUE i