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/nla-digbench/fermat1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:36:14,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:36:14,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:36:14,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:36:14,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:36:14,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:36:14,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:36:14,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:36:14,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:36:14,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:36:14,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:36:14,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:36:14,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:36:14,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:36:14,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:36:14,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:36:14,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 13:36:14,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:36:14,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:36:14,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:36:14,935 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 13:36:14,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:36:14,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:36:14,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:36:14,972 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:36:14,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:36:14,973 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:36:14,973 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:36:14,974 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:36:14,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:36:14,974 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:36:14,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:36:14,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:36:14,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:36:14,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:36:14,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:36:14,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:36:14,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:36:14,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:36:14,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:36:14,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:36:14,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:36:14,980 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:36:14,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:36:14,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:36:14,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:36:14,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:36:14,981 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:36:14,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:36:14,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:36:14,985 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:36:15,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:36:15,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:36:15,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:36:15,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:36:15,036 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:36:15,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-05 13:36:15,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3c73a8c9/c0708c7dd35d45ae8e6e4423aeedb53e/FLAG5642d6894 [2019-09-05 13:36:15,597 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:36:15,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-05 13:36:15,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3c73a8c9/c0708c7dd35d45ae8e6e4423aeedb53e/FLAG5642d6894 [2019-09-05 13:36:15,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3c73a8c9/c0708c7dd35d45ae8e6e4423aeedb53e [2019-09-05 13:36:15,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:36:15,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:36:15,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:15,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:36:15,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:36:15,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:15" (1/1) ... [2019-09-05 13:36:15,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2301ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:15, skipping insertion in model container [2019-09-05 13:36:15,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:15" (1/1) ... [2019-09-05 13:36:16,007 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:36:16,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:36:16,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:16,295 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:36:16,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:16,450 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:36:16,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16 WrapperNode [2019-09-05 13:36:16,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:16,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:36:16,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:36:16,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:36:16,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:36:16,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:36:16,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:36:16,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:36:16,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:16" (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 13:36:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:36:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:36:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:36:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:36:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:36:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-05 13:36:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:36:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:36:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:36:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:36:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:36:16,783 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:36:16,783 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-05 13:36:16,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:16 BoogieIcfgContainer [2019-09-05 13:36:16,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:36:16,792 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:36:16,792 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:36:16,793 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:36:16,794 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:16" (1/1) ... [2019-09-05 13:36:16,862 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:36:16,986 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-05 13:36:18,818 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:36:18,839 INFO L272 AbstractInterpreter]: Visited 38 different actions 397 times. Merged at 15 different actions 86 times. Widened at 3 different actions 4 times. Performed 478 root evaluator evaluations with a maximum evaluation depth of 14. Performed 478 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 24 fixpoints after 6 different actions. Largest state had 8 variables. [2019-09-05 13:36:18,840 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:36:18,843 INFO L168 Benchmark]: Toolchain (without parser) took 2852.29 ms. Allocated memory was 130.5 MB in the beginning and 272.6 MB in the end (delta: 142.1 MB). Free memory was 85.2 MB in the beginning and 181.0 MB in the end (delta: -95.8 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:18,844 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:36:18,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.23 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.0 MB in the beginning and 174.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:18,846 INFO L168 Benchmark]: Boogie Preprocessor took 39.19 ms. Allocated memory is still 197.7 MB. Free memory was 174.7 MB in the beginning and 172.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:18,847 INFO L168 Benchmark]: RCFGBuilder took 299.48 ms. Allocated memory is still 197.7 MB. Free memory was 172.4 MB in the beginning and 159.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:18,849 INFO L168 Benchmark]: Abstract Interpretation took 2047.87 ms. Allocated memory was 197.7 MB in the beginning and 272.6 MB in the end (delta: 75.0 MB). Free memory was 159.9 MB in the beginning and 181.0 MB in the end (delta: -21.1 MB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:18,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 461.23 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.0 MB in the beginning and 174.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.19 ms. Allocated memory is still 197.7 MB. Free memory was 174.7 MB in the beginning and 172.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 299.48 ms. Allocated memory is still 197.7 MB. Free memory was 172.4 MB in the beginning and 159.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2047.87 ms. Allocated memory was 197.7 MB in the beginning and 272.6 MB in the end (delta: 75.0 MB). Free memory was 159.9 MB in the beginning and 181.0 MB in the end (delta: -21.1 MB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 9]: 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: [L15] int A, R; [L16] int u, v, r; [L17] A = __VERIFIER_nondet_double() [L18] R = __VERIFIER_nondet_double() [L23] u = 2 * R + 1 [L24] v = 1 [L25] r = R * R - A [L28] COND TRUE 1 [L29] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) [L7] COND TRUE !(cond) [L9] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...