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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:56:27,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:56:27,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:56:27,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:56:27,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:56:27,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:56:27,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:56:27,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:56:27,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:56:27,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:56:27,110 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:56:27,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:56:27,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:56:27,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:56:27,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:56:27,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:56:27,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:56:27,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:56:27,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:56:27,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:56:27,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:56:27,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:56:27,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:56:27,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:56:27,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:56:27,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:56:27,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:56:27,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:56:27,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:56:27,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:56:27,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:56:27,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:56:27,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:56:27,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:56:27,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:56:27,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:56:27,136 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 10:56:27,150 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:56:27,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:56:27,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:56:27,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:56:27,153 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:56:27,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:56:27,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:56:27,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:56:27,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:56:27,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:56:27,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:56:27,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:56:27,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:56:27,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:56:27,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:56:27,155 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:56:27,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:56:27,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:56:27,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:56:27,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:56:27,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:56:27,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:56:27,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:56:27,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:56:27,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:56:27,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:56:27,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:56:27,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:56:27,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:56:27,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:56:27,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:56:27,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:56:27,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:56:27,207 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:56:27,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2019-08-08 10:56:27,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b1bb6e5/a0f48d560e8046d386a110772d4b63ef/FLAG2c41f2620 [2019-08-08 10:56:27,807 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:56:27,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2019-08-08 10:56:27,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b1bb6e5/a0f48d560e8046d386a110772d4b63ef/FLAG2c41f2620 [2019-08-08 10:56:28,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b1bb6e5/a0f48d560e8046d386a110772d4b63ef [2019-08-08 10:56:28,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:56:28,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:56:28,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:56:28,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:56:28,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:56:28,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:56:28" (1/1) ... [2019-08-08 10:56:28,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbce9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:28, skipping insertion in model container [2019-08-08 10:56:28,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:56:28" (1/1) ... [2019-08-08 10:56:28,145 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:56:28,210 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:56:28,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:56:28,797 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:56:29,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:56:29,036 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:56:29,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29 WrapperNode [2019-08-08 10:56:29,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:56:29,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:56:29,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:56:29,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:56:29,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (1/1) ... [2019-08-08 10:56:29,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (1/1) ... [2019-08-08 10:56:29,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (1/1) ... [2019-08-08 10:56:29,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (1/1) ... [2019-08-08 10:56:29,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (1/1) ... [2019-08-08 10:56:29,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (1/1) ... [2019-08-08 10:56:29,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (1/1) ... [2019-08-08 10:56:29,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:56:29,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:56:29,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:56:29,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:56:29,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:29" (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 10:56:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:56:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:56:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:56:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:56:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:56:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:56:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:56:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:56:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:56:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:56:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:56:33,127 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:56:33,128 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:56:33,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:56:33 BoogieIcfgContainer [2019-08-08 10:56:33,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:56:33,130 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:56:33,131 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:56:33,131 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:56:33,132 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:56:33" (1/1) ... [2019-08-08 10:56:33,143 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:56:33,146 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:56:33,156 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:56:33,164 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:56:33,165 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:56:33,225 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 40 [2019-08-08 10:56:47,060 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 81 [2019-08-08 10:56:47,137 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:56:47,137 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:56:47,140 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 409230#(and (<= (+ ~a12~0 43) 0) (= ~a24~0 1) (= ~a21~0 10) (= ~a15~0 6)) [2019-08-08 10:56:47,141 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:56:47,150 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:56:47,153 INFO L168 Benchmark]: Toolchain (without parser) took 19023.35 ms. Allocated memory was 132.6 MB in the beginning and 1.1 GB in the end (delta: 943.7 MB). Free memory was 85.4 MB in the beginning and 190.7 MB in the end (delta: -105.3 MB). Peak memory consumption was 983.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:47,154 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-08 10:56:47,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 908.52 ms. Allocated memory was 132.6 MB in the beginning and 203.9 MB in the end (delta: 71.3 MB). Free memory was 85.0 MB in the beginning and 165.1 MB in the end (delta: -80.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:47,156 INFO L168 Benchmark]: Boogie Preprocessor took 165.18 ms. Allocated memory is still 203.9 MB. Free memory was 165.1 MB in the beginning and 159.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:47,157 INFO L168 Benchmark]: RCFGBuilder took 3926.03 ms. Allocated memory was 203.9 MB in the beginning and 227.5 MB in the end (delta: 23.6 MB). Free memory was 159.4 MB in the beginning and 158.4 MB in the end (delta: 993.5 kB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:47,158 INFO L168 Benchmark]: Symbolic Interpretation took 14019.48 ms. Allocated memory was 227.5 MB in the beginning and 1.1 GB in the end (delta: 848.8 MB). Free memory was 158.4 MB in the beginning and 190.7 MB in the end (delta: -32.3 MB). Peak memory consumption was 961.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:47,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 100]: 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 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 908.52 ms. Allocated memory was 132.6 MB in the beginning and 203.9 MB in the end (delta: 71.3 MB). Free memory was 85.0 MB in the beginning and 165.1 MB in the end (delta: -80.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.18 ms. Allocated memory is still 203.9 MB. Free memory was 165.1 MB in the beginning and 159.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3926.03 ms. Allocated memory was 203.9 MB in the beginning and 227.5 MB in the end (delta: 23.6 MB). Free memory was 159.4 MB in the beginning and 158.4 MB in the end (delta: 993.5 kB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14019.48 ms. Allocated memory was 227.5 MB in the beginning and 1.1 GB in the end (delta: 848.8 MB). Free memory was 158.4 MB in the beginning and 190.7 MB in the end (delta: -32.3 MB). Peak memory consumption was 961.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...