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/n.c11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:12,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:12,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:12,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:12,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:12,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:12,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:12,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:12,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:12,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:12,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:12,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:12,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:12,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:12,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:12,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:12,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:12,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:12,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:12,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:12,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:12,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:12,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:12,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:12,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:12,838 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 13:47:12,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:12,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:12,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:12,854 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:12,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:12,855 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:12,855 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:12,855 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:12,855 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:12,856 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:12,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:12,857 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:12,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:12,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:12,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:12,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:12,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:12,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:12,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:12,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:12,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:12,859 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:12,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:12,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:12,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:12,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:12,860 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:12,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:12,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:12,861 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:12,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:12,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:12,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:12,926 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:12,927 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:12,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c11.c [2019-09-20 13:47:13,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627ef685d/1755964d8e3c481092f9e46fecb6a5ee/FLAGbb8bbb850 [2019-09-20 13:47:13,473 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:13,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/n.c11.c [2019-09-20 13:47:13,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627ef685d/1755964d8e3c481092f9e46fecb6a5ee/FLAGbb8bbb850 [2019-09-20 13:47:13,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627ef685d/1755964d8e3c481092f9e46fecb6a5ee [2019-09-20 13:47:13,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:13,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:13,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:13,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:13,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:13,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3d72b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:13, skipping insertion in model container [2019-09-20 13:47:13,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:13" (1/1) ... [2019-09-20 13:47:13,899 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:13,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:14,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:14,116 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:14,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:14,144 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:14,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14 WrapperNode [2019-09-20 13:47:14,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:14,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:14,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:14,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:14,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:14,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:14,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:14,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:14,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:14" (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 13:47:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:14,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:14,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:47:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:14,494 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:14,495 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:14,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:14 BoogieIcfgContainer [2019-09-20 13:47:14,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:14,497 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:14,497 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:14,498 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:14,499 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:14" (1/1) ... [2019-09-20 13:47:14,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:14,621 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:14,866 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:14,905 INFO L272 AbstractInterpreter]: Visited 23 different actions 142 times. Merged at 7 different actions 49 times. Widened at 1 different actions 5 times. Performed 169 root evaluator evaluations with a maximum evaluation depth of 7. Performed 169 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 13 fixpoints after 3 different actions. Largest state had 6 variables. [2019-09-20 13:47:14,906 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:14,913 INFO L168 Benchmark]: Toolchain (without parser) took 1025.39 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 85.5 MB in the beginning and 144.7 MB in the end (delta: -59.2 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,916 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.44 ms. Allocated memory is still 137.9 MB. Free memory was 85.3 MB in the beginning and 75.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,918 INFO L168 Benchmark]: Boogie Preprocessor took 117.40 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 75.8 MB in the beginning and 176.0 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,920 INFO L168 Benchmark]: RCFGBuilder took 233.11 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 164.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,921 INFO L168 Benchmark]: Abstract Interpretation took 408.61 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 144.7 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:14,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.44 ms. Allocated memory is still 137.9 MB. Free memory was 85.3 MB in the beginning and 75.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.40 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 75.8 MB in the beginning and 176.0 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 233.11 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 164.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 408.61 ms. Allocated memory is still 198.7 MB. Free memory was 163.8 MB in the beginning and 144.7 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 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] int a[5]; [L14] unsigned int len=0; [L16] int i; [L19] COND FALSE !(__VERIFIER_nondet_bool()) [L28] CALL __VERIFIER_assert(len>=0 && len<5) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...