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/count_up_down-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:34:15,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:34:15,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:34:15,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:34:15,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:34:15,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:34:15,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:34:15,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:34:15,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:34:15,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:34:15,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:34:15,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:34:15,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:34:15,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:34:15,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:34:15,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:34:15,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:34:15,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:34:15,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:34:15,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:34:15,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:34:15,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:34:15,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:34:15,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:34:15,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 13:34:15,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 13:34:15,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 13:34:15,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 13:34:15,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 13:34:15,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 13:34:15,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:34:15,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:34:15,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:34:15,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:34:15,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:34:15,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:34:15,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:34:15,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:34:15,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:34:15,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:34:15,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:34:15,162 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 [2019-09-05 13:34:15,176 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:34:15,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:34:15,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:34:15,177 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:34:15,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:34:15,178 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:34:15,179 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:34:15,179 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:34:15,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:34:15,179 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:34:15,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:34:15,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:34:15,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:34:15,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:34:15,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:34:15,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:34:15,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:34:15,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:34:15,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:34:15,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:34:15,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:34:15,182 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:34:15,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:34:15,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:34:15,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:34:15,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:34:15,183 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:34:15,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:34:15,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:34:15,184 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:34:15,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:34:15,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:34:15,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:34:15,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:34:15,230 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:34:15,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-1.c [2019-09-05 13:34:15,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd3030f56/8e3c011c886b471b81a40e53ffb2386c/FLAGa30c4e7d6 [2019-09-05 13:34:15,783 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:34:15,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-1.c [2019-09-05 13:34:15,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd3030f56/8e3c011c886b471b81a40e53ffb2386c/FLAGa30c4e7d6 [2019-09-05 13:34:16,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd3030f56/8e3c011c886b471b81a40e53ffb2386c [2019-09-05 13:34:16,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:34:16,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:34:16,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:16,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:34:16,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:34:16,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a05969d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16, skipping insertion in model container [2019-09-05 13:34:16,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:34:16,245 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:34:16,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:16,423 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:34:16,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:16,461 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:34:16,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16 WrapperNode [2019-09-05 13:34:16,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:16,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:34:16,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:34:16,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:34:16,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:34:16,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:34:16,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:34:16,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:34:16,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (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 [2019-09-05 13:34:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:34:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:34:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:34:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:34:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:34:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:34:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-05 13:34:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:34:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:34:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:34:16,784 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:34:16,785 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:34:16,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:16 BoogieIcfgContainer [2019-09-05 13:34:16,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:34:16,787 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:34:16,787 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:34:16,787 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:34:16,788 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:34:16,886 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-05 13:34:17,010 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:34:17,031 INFO L272 AbstractInterpreter]: Visited 19 different actions 71 times. Merged at 4 different actions 16 times. Widened at 1 different actions 2 times. Performed 94 root evaluator evaluations with a maximum evaluation depth of 7. Performed 94 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 5 fixpoints after 2 different actions. Largest state had 7 variables. [2019-09-05 13:34:17,031 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:34:17,036 INFO L168 Benchmark]: Toolchain (without parser) took 824.05 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 152.7 MB in the end (delta: -65.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:17,038 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory is still 105.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 13:34:17,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.17 ms. Allocated memory is still 131.6 MB. Free memory was 87.0 MB in the beginning and 77.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:17,042 INFO L168 Benchmark]: Boogie Preprocessor took 119.20 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.9 MB in the beginning and 176.0 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:17,044 INFO L168 Benchmark]: RCFGBuilder took 203.76 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 164.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:17,045 INFO L168 Benchmark]: Abstract Interpretation took 244.96 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 152.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:17,057 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 131.6 MB. Free memory is still 105.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.17 ms. Allocated memory is still 131.6 MB. Free memory was 87.0 MB in the beginning and 77.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.20 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.9 MB in the beginning and 176.0 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 203.76 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 164.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 244.96 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 152.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 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: [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; [L15] COND FALSE !(x>0) [L20] CALL __VERIFIER_assert(y==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...