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/eca-rers2012/Problem03_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:01:48,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:01:48,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:01:48,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:01:48,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:01:48,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:01:48,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:01:48,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:01:48,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:01:48,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:01:48,078 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:01:48,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:01:48,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:01:48,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:01:48,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:01:48,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:01:48,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:01:48,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:01:48,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:01:48,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:01:48,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:01:48,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:01:48,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:01:48,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:01:48,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:01:48,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:01:48,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:01:48,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:01:48,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:01:48,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:01:48,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:01:48,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:01:48,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:01:48,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:01:48,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:01:48,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:01:48,103 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 10:01:48,121 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:01:48,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:01:48,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:01:48,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:01:48,123 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:01:48,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:01:48,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:01:48,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:01:48,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:01:48,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:01:48,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:01:48,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:01:48,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:01:48,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:01:48,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:01:48,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:01:48,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:01:48,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:01:48,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:01:48,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:01:48,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:01:48,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:01:48,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:01:48,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:01:48,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:01:48,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:01:48,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:01:48,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:01:48,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:01:48,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:01:48,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:01:48,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:01:48,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:01:48,202 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:01:48,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label25.c [2019-08-08 10:01:48,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b2da666/7ea00709cbad4a58b7a597358529f5a8/FLAG577569f4c [2019-08-08 10:01:48,932 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:01:48,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label25.c [2019-08-08 10:01:48,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b2da666/7ea00709cbad4a58b7a597358529f5a8/FLAG577569f4c [2019-08-08 10:01:49,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b2da666/7ea00709cbad4a58b7a597358529f5a8 [2019-08-08 10:01:49,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:01:49,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:01:49,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:49,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:01:49,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:01:49,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:49" (1/1) ... [2019-08-08 10:01:49,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c32627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:49, skipping insertion in model container [2019-08-08 10:01:49,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:49" (1/1) ... [2019-08-08 10:01:49,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:01:49,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:01:50,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:50,183 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:01:50,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:50,781 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:01:50,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50 WrapperNode [2019-08-08 10:01:50,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:50,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:01:50,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:01:50,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:01:50,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (1/1) ... [2019-08-08 10:01:50,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (1/1) ... [2019-08-08 10:01:50,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (1/1) ... [2019-08-08 10:01:50,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (1/1) ... [2019-08-08 10:01:50,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (1/1) ... [2019-08-08 10:01:50,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (1/1) ... [2019-08-08 10:01:50,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (1/1) ... [2019-08-08 10:01:50,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:01:50,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:01:50,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:01:50,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:01:50,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:50" (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 10:01:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:01:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:01:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:01:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:01:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:01:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:01:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:01:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:01:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:01:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:01:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:01:56,116 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:01:56,117 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:01:56,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:56 BoogieIcfgContainer [2019-08-08 10:01:56,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:01:56,124 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:01:56,124 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:01:56,125 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:01:56,126 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:56" (1/1) ... [2019-08-08 10:01:56,146 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:01:56,156 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:01:56,169 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:01:56,177 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:01:56,179 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:01:56,249 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 156 [2019-08-08 10:01:59,439 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 197 [2019-08-08 10:01:59,984 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:01:59,984 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:01:59,986 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 68522#(and (= ~a18~0 1) (= 1 ~a5~0) (= ~a12~0 1) (not (= ~a27~0 1)) (= 0 ~a3~0) (not (= ~a11~0 1)) (not (= 1 ~a6~0)) (= ~a26~0 1)) [2019-08-08 10:01:59,989 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:01:59,998 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:02:00,002 INFO L168 Benchmark]: Toolchain (without parser) took 10882.80 ms. Allocated memory was 138.4 MB in the beginning and 459.3 MB in the end (delta: 320.9 MB). Free memory was 81.4 MB in the beginning and 94.8 MB in the end (delta: -13.4 MB). Peak memory consumption was 317.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:00,003 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:02:00,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1664.11 ms. Allocated memory was 138.4 MB in the beginning and 218.6 MB in the end (delta: 80.2 MB). Free memory was 80.9 MB in the beginning and 166.5 MB in the end (delta: -85.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:00,006 INFO L168 Benchmark]: Boogie Preprocessor took 211.79 ms. Allocated memory is still 218.6 MB. Free memory was 166.5 MB in the beginning and 155.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:00,008 INFO L168 Benchmark]: RCFGBuilder took 5128.69 ms. Allocated memory was 218.6 MB in the beginning and 280.5 MB in the end (delta: 61.9 MB). Free memory was 155.4 MB in the beginning and 86.3 MB in the end (delta: 69.1 MB). Peak memory consumption was 130.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:00,010 INFO L168 Benchmark]: Symbolic Interpretation took 3874.20 ms. Allocated memory was 280.5 MB in the beginning and 459.3 MB in the end (delta: 178.8 MB). Free memory was 86.3 MB in the beginning and 94.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:02:00,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1575]: 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 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1664.11 ms. Allocated memory was 138.4 MB in the beginning and 218.6 MB in the end (delta: 80.2 MB). Free memory was 80.9 MB in the beginning and 166.5 MB in the end (delta: -85.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 211.79 ms. Allocated memory is still 218.6 MB. Free memory was 166.5 MB in the beginning and 155.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5128.69 ms. Allocated memory was 218.6 MB in the beginning and 280.5 MB in the end (delta: 61.9 MB). Free memory was 155.4 MB in the beginning and 86.3 MB in the end (delta: 69.1 MB). Peak memory consumption was 130.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3874.20 ms. Allocated memory was 280.5 MB in the beginning and 459.3 MB in the end (delta: 178.8 MB). Free memory was 86.3 MB in the beginning and 94.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...