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/loop-invgen/nest-if3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:35,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:35,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:35,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:26:35,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:26:35,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:26:35,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:26:35,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:26:35,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:26:35,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:26:35,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:26:35,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:26:35,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:35,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:35,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:35,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:35,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:35,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:35,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:35,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:35,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:35,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:35,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:35,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:35,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:35,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:35,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:35,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:35,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:35,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:35,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:35,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:35,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:35,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:35,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:35,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:35,191 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 21:26:35,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:35,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:35,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:35,217 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:35,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:35,218 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:35,218 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:35,218 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:35,218 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:35,219 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:35,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:35,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:35,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:35,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:35,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:35,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:35,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:35,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:35,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:35,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:35,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:35,223 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:35,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:35,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:35,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:35,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:35,225 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:35,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:35,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:35,225 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:35,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:35,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:35,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:35,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:35,300 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:35,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-03 21:26:35,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3030b534c/dfaba4f44fbe438a92a98619668b3d0d/FLAGb80a7ca59 [2019-09-03 21:26:35,783 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:35,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-03 21:26:35,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3030b534c/dfaba4f44fbe438a92a98619668b3d0d/FLAGb80a7ca59 [2019-09-03 21:26:36,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3030b534c/dfaba4f44fbe438a92a98619668b3d0d [2019-09-03 21:26:36,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:36,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:36,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:36,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:36,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:36,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2129e374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36, skipping insertion in model container [2019-09-03 21:26:36,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,211 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:36,230 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:36,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:36,367 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:36,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:36,400 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:36,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36 WrapperNode [2019-09-03 21:26:36,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:36,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:36,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:36,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:36,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:36,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:36,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:36,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:36,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:36" (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 21:26:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:36,770 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:36,770 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 21:26:36,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:36 BoogieIcfgContainer [2019-09-03 21:26:36,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:36,772 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:36,772 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:36,773 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:36,773 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:36" (1/1) ... [2019-09-03 21:26:36,801 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:37,089 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:37,108 INFO L272 AbstractInterpreter]: Visited 33 different actions 108 times. Merged at 14 different actions 38 times. Widened at 2 different actions 3 times. Performed 158 root evaluator evaluations with a maximum evaluation depth of 5. Performed 158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 7 different actions. Largest state had 10 variables. [2019-09-03 21:26:37,108 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:37,111 INFO L168 Benchmark]: Toolchain (without parser) took 914.54 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 84.8 MB in the beginning and 152.8 MB in the end (delta: -68.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:37,112 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 132.6 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:37,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.82 ms. Allocated memory is still 132.6 MB. Free memory was 84.6 MB in the beginning and 75.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:37,114 INFO L168 Benchmark]: Boogie Preprocessor took 127.72 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 75.3 MB in the beginning and 176.3 MB in the end (delta: -101.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:37,115 INFO L168 Benchmark]: RCFGBuilder took 242.05 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 164.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:37,116 INFO L168 Benchmark]: Abstract Interpretation took 336.09 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 152.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:37,120 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 132.6 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 204.82 ms. Allocated memory is still 132.6 MB. Free memory was 84.6 MB in the beginning and 75.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.72 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 75.3 MB in the beginning and 176.3 MB in the end (delta: -101.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.05 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 164.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 336.09 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 152.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L11] int i,k,n,l; [L12] n = __VERIFIER_nondet_int() [L13] l = __VERIFIER_nondet_int() [L14] COND FALSE !(!(l>0)) [L15] COND FALSE !(!(l < 1000000)) [L16] COND FALSE !(!(n < 1000000)) [L17] k=1 [L17] COND TRUE k