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/Problem18_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:57:12,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:57:12,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:57:12,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:57:12,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:57:12,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:57:12,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:57:13,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:57:13,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:57:13,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:57:13,004 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:57:13,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:57:13,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:57:13,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:57:13,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:57:13,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:57:13,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:57:13,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:57:13,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:57:13,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:57:13,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:57:13,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:57:13,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:57:13,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:57:13,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:57:13,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:57:13,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:57:13,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:57:13,041 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 [2019-08-09 23:57:13,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:57:13,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:57:13,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:57:13,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:57:13,069 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:57:13,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:57:13,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:57:13,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:57:13,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:57:13,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:57:13,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:57:13,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:57:13,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:57:13,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:57:13,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:57:13,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:57:13,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:57:13,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:57:13,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:57:13,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:57:13,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:57:13,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:57:13,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:57:13,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:57:13,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:57:13,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:57:13,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:57:13,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:57:13,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:57:13,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:57:13,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:57:13,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:57:13,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:57:13,142 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:57:13,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label48.c [2019-08-09 23:57:13,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60750d7ce/a3cd59eb098442b79373e4f241918737/FLAGe4b7d8897 [2019-08-09 23:57:13,938 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:57:13,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label48.c [2019-08-09 23:57:13,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60750d7ce/a3cd59eb098442b79373e4f241918737/FLAGe4b7d8897 [2019-08-09 23:57:14,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60750d7ce/a3cd59eb098442b79373e4f241918737 [2019-08-09 23:57:14,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:57:14,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:57:14,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:57:14,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:57:14,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:57:14,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:57:14" (1/1) ... [2019-08-09 23:57:14,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be09156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:14, skipping insertion in model container [2019-08-09 23:57:14,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:57:14" (1/1) ... [2019-08-09 23:57:14,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:57:14,198 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:57:15,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:15,339 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:57:15,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:15,773 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:57:15,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15 WrapperNode [2019-08-09 23:57:15,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:57:15,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:57:15,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:57:15,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:57:15,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (1/1) ... [2019-08-09 23:57:15,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (1/1) ... [2019-08-09 23:57:15,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (1/1) ... [2019-08-09 23:57:15,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (1/1) ... [2019-08-09 23:57:15,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (1/1) ... [2019-08-09 23:57:16,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (1/1) ... [2019-08-09 23:57:16,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (1/1) ... [2019-08-09 23:57:16,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:57:16,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:57:16,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:57:16,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:57:16,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:15" (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 [2019-08-09 23:57:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:57:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:57:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:57:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:57:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:57:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:57:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:57:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:57:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:57:20,653 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:57:20,654 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:57:20,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:20 BoogieIcfgContainer [2019-08-09 23:57:20,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:57:20,663 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:57:20,663 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:57:20,663 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:57:20,665 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:20" (1/1) ... [2019-08-09 23:58:00,694 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:58:00,702 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:58:00,705 INFO L168 Benchmark]: Toolchain (without parser) took 46660.83 ms. Allocated memory was 138.9 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 77.2 MB in the beginning and 837.4 MB in the end (delta: -760.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:58:00,706 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 23:58:00,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1729.13 ms. Allocated memory was 138.9 MB in the beginning and 223.9 MB in the end (delta: 84.9 MB). Free memory was 76.8 MB in the beginning and 103.3 MB in the end (delta: -26.6 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:00,707 INFO L168 Benchmark]: Boogie Preprocessor took 314.15 ms. Allocated memory is still 223.9 MB. Free memory was 103.3 MB in the beginning and 82.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:00,708 INFO L168 Benchmark]: RCFGBuilder took 4572.74 ms. Allocated memory was 223.9 MB in the beginning and 354.9 MB in the end (delta: 131.1 MB). Free memory was 82.8 MB in the beginning and 136.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:00,710 INFO L168 Benchmark]: Symbolic Interpretation took 40038.99 ms. Allocated memory was 354.9 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 136.3 MB in the beginning and 837.4 MB in the end (delta: -701.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-09 23:58:00,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 171]: 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 985774#(and (= ~a15~0 4) (= ~a18~0 12) (= ~a24~0 2) (<= ~a3~0 306) (< 115 ~a3~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1729.13 ms. Allocated memory was 138.9 MB in the beginning and 223.9 MB in the end (delta: 84.9 MB). Free memory was 76.8 MB in the beginning and 103.3 MB in the end (delta: -26.6 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 314.15 ms. Allocated memory is still 223.9 MB. Free memory was 103.3 MB in the beginning and 82.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4572.74 ms. Allocated memory was 223.9 MB in the beginning and 354.9 MB in the end (delta: 131.1 MB). Free memory was 82.8 MB in the beginning and 136.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 40038.99 ms. Allocated memory was 354.9 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 136.3 MB in the beginning and 837.4 MB in the end (delta: -701.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...