java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/id_trans.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:46:28,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:46:28,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:46:28,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:46:28,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:46:28,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:46:28,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:46:28,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:46:28,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:46:28,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:46:28,864 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:46:28,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:46:28,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:46:28,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:46:28,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:46:28,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:46:28,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:46:28,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:46:28,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:46:28,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:46:28,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:46:28,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:46:28,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:46:28,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:46:28,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:46:28,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:46:28,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:46:28,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:46:28,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:46:28,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:46:28,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:46:28,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:46:28,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:46:28,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:46:28,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:46:28,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:46:28,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-08 11:46:28,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:46:28,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:46:28,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:46:28,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:46:28,908 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:46:28,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:46:28,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:46:28,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:46:28,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:46:28,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:46:28,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:46:28,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:46:28,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:46:28,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:46:28,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:46:28,911 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:46:28,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:46:28,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:46:28,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:46:28,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:46:28,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:46:28,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:46:28,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:46:28,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:46:28,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:46:28,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:46:28,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:46:28,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:46:28,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:46:28,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:46:28,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:46:28,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:46:28,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:46:28,962 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:46:28,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_trans.i [2019-08-08 11:46:29,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/984fa93fc/9b7c76a52f074cde9f42cbc354214eab/FLAG42e9955b9 [2019-08-08 11:46:29,496 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:46:29,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_trans.i [2019-08-08 11:46:29,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/984fa93fc/9b7c76a52f074cde9f42cbc354214eab/FLAG42e9955b9 [2019-08-08 11:46:29,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/984fa93fc/9b7c76a52f074cde9f42cbc354214eab [2019-08-08 11:46:29,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:46:29,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:46:29,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:29,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:46:29,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:46:29,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:29" (1/1) ... [2019-08-08 11:46:29,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5fcb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:29, skipping insertion in model container [2019-08-08 11:46:29,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:29" (1/1) ... [2019-08-08 11:46:29,893 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:46:29,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:46:30,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:30,123 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:46:30,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:30,169 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:46:30,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30 WrapperNode [2019-08-08 11:46:30,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:30,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:46:30,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:46:30,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:46:30,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:46:30,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:46:30,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:46:30,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:46:30,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:30" (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 [2019-08-08 11:46:30,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:46:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:46:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 11:46:30,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:46:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:46:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:46:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 11:46:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:46:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:46:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:46:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:46:30,797 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:46:30,798 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:46:30,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:30 BoogieIcfgContainer [2019-08-08 11:46:30,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:46:30,800 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:46:30,800 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:46:30,800 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:46:30,801 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:30" (1/1) ... [2019-08-08 11:46:30,821 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:46:30,829 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:46:30,836 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:46:30,844 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:46:30,845 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:46:30,895 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:46:31,069 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 [2019-08-08 11:46:31,070 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:46:31,070 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:46:31,073 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 88#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-08 11:46:31,073 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:46:31,081 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:46:31,084 INFO L168 Benchmark]: Toolchain (without parser) took 1207.99 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 89.6 MB in the beginning and 156.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 834.3 kB. Max. memory is 7.1 GB. [2019-08-08 11:46:31,085 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:46:31,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.80 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 80.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:31,088 INFO L168 Benchmark]: Boogie Preprocessor took 158.10 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 80.1 MB in the beginning and 181.6 MB in the end (delta: -101.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:31,088 INFO L168 Benchmark]: RCFGBuilder took 469.46 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 167.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:31,089 INFO L168 Benchmark]: Symbolic Interpretation took 281.65 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 156.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:31,094 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 294.80 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 80.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.10 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 80.1 MB in the beginning and 181.6 MB in the end (delta: -101.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 469.46 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 167.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 281.65 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 156.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...