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-industry-pattern/nested-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:27:09,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:09,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:09,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:27:09,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:27:09,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:27:09,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:27:09,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:27:09,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:27:09,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:27:09,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:27:09,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:27:09,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:27:09,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:27:09,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:27:09,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:27:09,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:27:09,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:27:09,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:27:09,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:27:09,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:27:09,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:27:09,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:27:09,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:27:09,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:27:09,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:27:09,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:27:09,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:27:09,274 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 21:27:09,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:09,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:09,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:09,291 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:09,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:09,292 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:09,292 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:09,292 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:09,292 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:09,292 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:09,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:09,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:09,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:09,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:09,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:09,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:09,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:09,294 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:09,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:09,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:09,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:09,295 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:09,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:09,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:09,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:09,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:09,296 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:09,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:09,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:09,297 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:09,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:09,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:09,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:09,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:09,343 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:09,344 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/nested-3.c [2019-09-03 21:27:09,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57b0c91f/001aa6e6711840348caa43f4daa5c2bd/FLAGf33fdf388 [2019-09-03 21:27:09,843 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:09,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/nested-3.c [2019-09-03 21:27:09,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57b0c91f/001aa6e6711840348caa43f4daa5c2bd/FLAGf33fdf388 [2019-09-03 21:27:10,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57b0c91f/001aa6e6711840348caa43f4daa5c2bd [2019-09-03 21:27:10,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:10,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:10,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:10,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:10,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:10,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630c9713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10, skipping insertion in model container [2019-09-03 21:27:10,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,281 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:10,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:10,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:10,484 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:10,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:10,514 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:10,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10 WrapperNode [2019-09-03 21:27:10,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:10,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:10,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:10,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:10,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:10,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:10,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:10,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:10,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:10" (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 21:27:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:27:10,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:27:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:10,895 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:10,896 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 21:27:10,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:10 BoogieIcfgContainer [2019-09-03 21:27:10,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:10,898 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:10,898 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:10,898 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:10,899 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:10" (1/1) ... [2019-09-03 21:27:10,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:11,503 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:11,544 INFO L272 AbstractInterpreter]: Visited 27 different actions 193 times. Merged at 11 different actions 59 times. Widened at 2 different actions 4 times. Performed 409 root evaluator evaluations with a maximum evaluation depth of 8. Performed 409 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 26 fixpoints after 6 different actions. Largest state had 9 variables. [2019-09-03 21:27:11,544 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:11,550 INFO L168 Benchmark]: Toolchain (without parser) took 1282.62 ms. Allocated memory was 136.3 MB in the beginning and 222.3 MB in the end (delta: 86.0 MB). Free memory was 84.9 MB in the beginning and 194.9 MB in the end (delta: -110.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:27:11,552 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 103.7 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:11,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.48 ms. Allocated memory is still 136.3 MB. Free memory was 84.7 MB in the beginning and 75.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:11,563 INFO L168 Benchmark]: Boogie Preprocessor took 120.84 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 75.3 MB in the beginning and 176.7 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:11,564 INFO L168 Benchmark]: RCFGBuilder took 260.59 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 164.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:11,566 INFO L168 Benchmark]: Abstract Interpretation took 646.43 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 164.1 MB in the beginning and 194.9 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:27:11,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 103.7 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.48 ms. Allocated memory is still 136.3 MB. Free memory was 84.7 MB in the beginning and 75.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.84 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 75.3 MB in the beginning and 176.7 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.59 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 164.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 646.43 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 164.1 MB in the beginning and 194.9 MB in the end (delta: -30.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 11]: 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: [L8] int last ; [L17] last = __VERIFIER_nondet_int() [L18] int a=0,b=0,c=0,st=0; [L19] COND TRUE 1 [L20] st=1 [L21] c=0 [L21] COND TRUE c<200000 [L22] COND TRUE c==last [L22] st = 0 [L21] c++ [L21] COND TRUE c<200000 [L22] COND FALSE !(c==last) [L21] c++ [L21] COND TRUE c<200000 [L22] COND TRUE c==last [L22] st = 0 [L21] c++ [L21] COND TRUE c<200000 [L22] COND FALSE !(c==last) [L21] c++ [L21] COND FALSE !(c<200000) [L23] COND TRUE st==0 && c==last+1 [L24] a+=3 [L24] b+=3 [L26] COND FALSE !(c==last && st==0) [L28] CALL __VERIFIER_assert(a==b && c==200000) [L10] COND TRUE !(cond) [L11] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...