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/Problem14_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:53:14,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:53:14,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:53:14,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:53:14,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:53:14,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:53:14,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:53:14,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:53:14,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:53:14,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:53:14,048 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:53:14,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:53:14,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:53:14,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:53:14,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:53:14,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:53:14,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:53:14,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:53:14,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:53:14,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:53:14,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:53:14,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:53:14,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:53:14,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:53:14,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:53:14,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:53:14,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:53:14,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:53:14,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:53:14,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:53:14,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:53:14,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:53:14,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:53:14,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:53:14,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:53:14,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:53:14,075 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 [2019-08-14 14:53:14,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:53:14,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:53:14,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:53:14,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:53:14,091 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:53:14,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:53:14,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:53:14,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:53:14,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:53:14,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:53:14,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:53:14,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:53:14,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:53:14,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:53:14,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:53:14,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:53:14,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:53:14,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:53:14,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:53:14,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:53:14,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:53:14,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:53:14,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:53:14,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:53:14,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:53:14,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:53:14,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:53:14,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:53:14,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:53:14,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:53:14,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:53:14,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:53:14,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:53:14,144 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:53:14,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label43.c [2019-08-14 14:53:14,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a086f388/e02d9d8731054880a0a76620114aa7d6/FLAG3086d6682 [2019-08-14 14:53:14,776 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:53:14,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label43.c [2019-08-14 14:53:14,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a086f388/e02d9d8731054880a0a76620114aa7d6/FLAG3086d6682 [2019-08-14 14:53:15,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a086f388/e02d9d8731054880a0a76620114aa7d6 [2019-08-14 14:53:15,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:53:15,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:53:15,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:53:15,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:53:15,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:53:15,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4828d45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15, skipping insertion in model container [2019-08-14 14:53:15,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:53:15,126 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:53:15,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:53:15,721 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:53:15,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:53:15,864 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:53:15,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15 WrapperNode [2019-08-14 14:53:15,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:53:15,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:53:15,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:53:15,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:53:15,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:15,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (1/1) ... [2019-08-14 14:53:16,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:53:16,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:53:16,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:53:16,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:53:16,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:53:15" (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 [2019-08-14 14:53:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:53:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:53:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:53:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:53:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:53:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:53:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:53:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:53:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:53:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:53:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:53:17,595 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:53:17,596 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:53:17,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:53:17 BoogieIcfgContainer [2019-08-14 14:53:17,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:53:17,601 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:53:17,602 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:53:17,602 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:53:17,604 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:53:17" (1/1) ... [2019-08-14 14:53:32,513 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:53:32,517 INFO L168 Benchmark]: Toolchain (without parser) took 17469.00 ms. Allocated memory was 137.9 MB in the beginning and 1.1 GB in the end (delta: 995.6 MB). Free memory was 85.4 MB in the beginning and 461.1 MB in the end (delta: -375.7 MB). Peak memory consumption was 942.0 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:32,519 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 14:53:32,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.34 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 85.2 MB in the beginning and 167.4 MB in the end (delta: -82.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:32,521 INFO L168 Benchmark]: Boogie Preprocessor took 143.65 ms. Allocated memory is still 205.0 MB. Free memory was 167.4 MB in the beginning and 161.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:32,524 INFO L168 Benchmark]: RCFGBuilder took 1591.15 ms. Allocated memory was 205.0 MB in the beginning and 229.1 MB in the end (delta: 24.1 MB). Free memory was 161.3 MB in the beginning and 159.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:32,527 INFO L168 Benchmark]: Symbolic Interpretation took 14912.82 ms. Allocated memory was 229.1 MB in the beginning and 1.1 GB in the end (delta: 904.4 MB). Free memory was 159.9 MB in the beginning and 461.1 MB in the end (delta: -301.2 MB). Peak memory consumption was 925.2 MB. Max. memory is 7.1 GB. [2019-08-14 14:53:32,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 49]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 407325#(and (<= (+ ~a12~0 43) 0) (= ~a15~0 7) (= ~a24~0 1) (= ~a21~0 10)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 817.34 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 85.2 MB in the beginning and 167.4 MB in the end (delta: -82.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.65 ms. Allocated memory is still 205.0 MB. Free memory was 167.4 MB in the beginning and 161.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1591.15 ms. Allocated memory was 205.0 MB in the beginning and 229.1 MB in the end (delta: 24.1 MB). Free memory was 161.3 MB in the beginning and 159.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14912.82 ms. Allocated memory was 229.1 MB in the beginning and 1.1 GB in the end (delta: 904.4 MB). Free memory was 159.9 MB in the beginning and 461.1 MB in the end (delta: -301.2 MB). Peak memory consumption was 925.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...