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/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:48,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:48,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:48,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:27:48,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:27:48,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:27:48,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:27:48,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:27:48,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:27:48,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:27:48,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:27:48,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:27:48,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:27:48,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:27:48,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:27:48,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:27:48,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:27:48,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:27:48,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:27:48,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:27:48,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:27:48,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:27:48,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:27:48,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:27:48,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:27:48,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:27:48,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:27:48,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:27:48,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:27:48,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:27:48,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:27:48,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:27:48,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:27:48,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:27:48,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:27:48,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:27:48,068 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 17:27:48,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:48,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:48,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:48,090 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:48,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:48,090 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:48,091 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:48,091 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:48,091 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:48,091 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:48,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:48,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:48,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:48,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:48,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:48,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:48,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:48,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:48,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:48,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:48,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:48,096 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:48,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:48,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:48,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:48,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:48,097 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:48,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:48,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:48,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:48,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:48,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:48,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:48,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:48,154 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:48,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-16 17:27:48,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc56df2a/93d452d589034689b91deb8c35b12e57/FLAG931363116 [2019-09-16 17:27:48,693 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:48,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-16 17:27:48,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc56df2a/93d452d589034689b91deb8c35b12e57/FLAG931363116 [2019-09-16 17:27:49,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc56df2a/93d452d589034689b91deb8c35b12e57 [2019-09-16 17:27:49,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:49,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:49,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:49,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:49,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:49,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32412986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49, skipping insertion in model container [2019-09-16 17:27:49,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:49,172 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:49,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:49,347 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:49,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:49,383 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:49,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49 WrapperNode [2019-09-16 17:27:49,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:49,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:49,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:49,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:49,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:49,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:49,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:49,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:49,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:49" (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 17:27:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:49,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:49,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:27:49,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:49,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:27:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:49,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:49,779 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-16 17:27:49,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:49 BoogieIcfgContainer [2019-09-16 17:27:49,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:49,781 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:49,781 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:49,782 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:49,783 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:49" (1/1) ... [2019-09-16 17:27:49,813 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:50,207 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:27:50,233 INFO L272 AbstractInterpreter]: Visited 40 different actions 270 times. Merged at 16 different actions 65 times. Widened at 5 different actions 7 times. Performed 390 root evaluator evaluations with a maximum evaluation depth of 5. Performed 390 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 27 fixpoints after 10 different actions. Largest state had 11 variables. [2019-09-16 17:27:50,233 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:50,236 INFO L168 Benchmark]: Toolchain (without parser) took 1098.43 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.8 MB in the beginning and 142.2 MB in the end (delta: -55.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,237 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:27:50,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.94 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,240 INFO L168 Benchmark]: Boogie Preprocessor took 120.27 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.2 MB in the beginning and 175.0 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,241 INFO L168 Benchmark]: RCFGBuilder took 275.57 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 161.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,242 INFO L168 Benchmark]: Abstract Interpretation took 451.81 ms. Allocated memory is still 199.2 MB. Free memory was 161.5 MB in the beginning and 142.2 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:50,247 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 is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.94 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.27 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.2 MB in the beginning and 175.0 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.57 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 161.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 451.81 ms. Allocated memory is still 199.2 MB. Free memory was 161.5 MB in the beginning and 142.2 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 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,j,k,n; [L12] k = __VERIFIER_nondet_int() [L13] n = __VERIFIER_nondet_int() [L14] COND FALSE !(!(n < 1000000)) [L15] COND TRUE k == n [L19] i=0 [L19] COND TRUE i= n ) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...