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-fea9116 [2019-09-20 13:47:39,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:39,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:39,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:39,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:39,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:39,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:39,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:39,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:39,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:39,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:39,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:39,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:39,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:39,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:39,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:39,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:39,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:39,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:39,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:39,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:39,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:39,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:39,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:39,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:39,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:39,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:39,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:39,636 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 [2019-09-20 13:47:39,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:39,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:39,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:39,663 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:39,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:39,664 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:39,665 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:39,665 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:39,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:39,665 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:39,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:39,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:39,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:39,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:39,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:39,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:39,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:39,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:39,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:39,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:39,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:39,670 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:39,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:39,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:39,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:39,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:39,672 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:39,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:39,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:39,672 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:39,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:39,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:39,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:39,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:39,755 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:39,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-20 13:47:39,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b321731/1f024cf0f5e549d48bd4f096b8fac347/FLAGad287d52e [2019-09-20 13:47:40,274 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:40,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-20 13:47:40,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b321731/1f024cf0f5e549d48bd4f096b8fac347/FLAGad287d52e [2019-09-20 13:47:40,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b321731/1f024cf0f5e549d48bd4f096b8fac347 [2019-09-20 13:47:40,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:40,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:40,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:40,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:40,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:40,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dd251c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40, skipping insertion in model container [2019-09-20 13:47:40,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:40,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:40,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:40,951 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:40,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:40,978 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:40,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40 WrapperNode [2019-09-20 13:47:40,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:40,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:40,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:40,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:40,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:40,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:41,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:41,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:41,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:41,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:41,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (1/1) ... [2019-09-20 13:47:41,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:41,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:41,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:41,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:41,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:40" (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 [2019-09-20 13:47:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:41,358 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:41,358 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:47:41,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:41 BoogieIcfgContainer [2019-09-20 13:47:41,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:41,361 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:41,363 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:41,370 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:41,372 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:41" (1/1) ... [2019-09-20 13:47:41,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:41,632 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:41,652 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. [2019-09-20 13:47:41,653 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:41,656 INFO L168 Benchmark]: Toolchain (without parser) took 992.82 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.4 MB in the beginning and 153.0 MB in the end (delta: -66.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:41,657 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.38 ms. Allocated memory is still 139.5 MB. Free memory was 85.9 MB in the beginning and 76.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,660 INFO L168 Benchmark]: Boogie Preprocessor took 116.49 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 76.7 MB in the beginning and 176.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,661 INFO L168 Benchmark]: RCFGBuilder took 263.54 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 163.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,662 INFO L168 Benchmark]: Abstract Interpretation took 292.12 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 153.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:41,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.38 ms. Allocated memory is still 139.5 MB. Free memory was 85.9 MB in the beginning and 76.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.49 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 76.7 MB in the beginning and 176.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.54 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 163.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 292.12 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 153.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 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