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/loops-crafted-1/Mono4_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:27:00,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:27:00,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:27:00,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:27:00,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:27:00,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:27:00,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:27:00,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:27:00,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:27:00,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:27:00,985 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:27:00,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:27:00,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:27:00,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:27:00,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:27:00,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:27:00,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:27:00,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:27:00,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:27:00,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:27:00,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:27:00,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:27:01,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:27:01,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:27:01,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:27:01,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:27:01,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:27:01,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:27:01,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:27:01,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:27:01,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:27:01,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:27:01,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:27:01,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:27:01,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:27:01,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:27:01,017 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 [2019-08-10 02:27:01,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:27:01,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:27:01,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:27:01,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:27:01,041 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:27:01,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:27:01,042 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:27:01,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:27:01,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:27:01,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:27:01,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:27:01,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:27:01,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:27:01,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:27:01,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:27:01,044 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:27:01,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:27:01,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:27:01,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:27:01,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:27:01,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:27:01,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:27:01,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:27:01,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:27:01,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:27:01,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:27:01,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:27:01,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:27:01,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:27:01,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:27:01,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:27:01,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:27:01,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:27:01,094 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:27:01,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/Mono4_1.c [2019-08-10 02:27:01,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2079aada0/d7f637a67e7644279c83b8bf18ce50e4/FLAGf36d054d1 [2019-08-10 02:27:01,580 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:27:01,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/Mono4_1.c [2019-08-10 02:27:01,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2079aada0/d7f637a67e7644279c83b8bf18ce50e4/FLAGf36d054d1 [2019-08-10 02:27:01,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2079aada0/d7f637a67e7644279c83b8bf18ce50e4 [2019-08-10 02:27:02,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:27:02,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:27:02,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:27:02,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:27:02,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:27:02,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:27:01" (1/1) ... [2019-08-10 02:27:02,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7629ad76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02, skipping insertion in model container [2019-08-10 02:27:02,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:27:01" (1/1) ... [2019-08-10 02:27:02,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:27:02,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:27:02,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:27:02,283 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:27:02,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:27:02,327 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:27:02,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02 WrapperNode [2019-08-10 02:27:02,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:27:02,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:27:02,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:27:02,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:27:02,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:27:02,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:27:02,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:27:02,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:27:02,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:27:02" (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 [2019-08-10 02:27:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:27:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:27:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:27:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:27:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:27:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:27:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:27:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:27:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:27:02,694 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:27:02,695 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:27:02,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:27:02 BoogieIcfgContainer [2019-08-10 02:27:02,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:27:02,696 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:27:02,697 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:27:02,697 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:27:02,698 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:27:02" (1/1) ... [2019-08-10 02:27:02,845 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:27:02,852 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:27:02,855 INFO L168 Benchmark]: Toolchain (without parser) took 847.77 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 88.2 MB in the beginning and 161.0 MB in the end (delta: -72.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:27:02,856 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:27:02,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.79 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 78.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:27:02,859 INFO L168 Benchmark]: Boogie Preprocessor took 141.61 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 78.9 MB in the beginning and 178.8 MB in the end (delta: -99.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:27:02,860 INFO L168 Benchmark]: RCFGBuilder took 223.89 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 167.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:27:02,861 INFO L168 Benchmark]: Symbolic Interpretation took 155.75 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 161.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:27:02,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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. Predicate is 57#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 322.79 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 78.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.61 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 78.9 MB in the beginning and 178.8 MB in the end (delta: -99.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.89 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 167.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 155.75 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 161.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...