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_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:05:31,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:05:31,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:05:31,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:05:31,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:05:31,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:05:31,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:05:31,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:05:31,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:05:31,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:05:31,060 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:05:31,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:05:31,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:05:31,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:05:31,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:05:31,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:05:31,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:05:31,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:05:31,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:05:31,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:05:31,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:05:31,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:05:31,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:05:31,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:05:31,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:05:31,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:05:31,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:05:31,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:05:31,112 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 11:05:31,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:05:31,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:05:31,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:05:31,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:05:31,140 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:05:31,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:05:31,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:05:31,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:05:31,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:05:31,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:05:31,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:05:31,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:05:31,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:05:31,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:05:31,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:05:31,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:05:31,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:05:31,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:05:31,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:05:31,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:05:31,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:05:31,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:05:31,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:05:31,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:05:31,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:05:31,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:05:31,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:05:31,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:05:31,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:05:31,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:05:31,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:05:31,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:05:31,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:05:31,222 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:05:31,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label06.c [2019-08-08 11:05:31,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf29075cf/6f24449907a043ed8d1c5c2ca5d0c30c/FLAGc90acec13 [2019-08-08 11:05:31,993 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:05:31,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label06.c [2019-08-08 11:05:32,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf29075cf/6f24449907a043ed8d1c5c2ca5d0c30c/FLAGc90acec13 [2019-08-08 11:05:32,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf29075cf/6f24449907a043ed8d1c5c2ca5d0c30c [2019-08-08 11:05:32,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:05:32,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:05:32,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:05:32,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:05:32,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:05:32,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:05:32" (1/1) ... [2019-08-08 11:05:32,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddd2a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:32, skipping insertion in model container [2019-08-08 11:05:32,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:05:32" (1/1) ... [2019-08-08 11:05:32,184 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:05:32,309 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:05:33,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:05:33,705 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:05:34,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:05:34,205 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:05:34,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34 WrapperNode [2019-08-08 11:05:34,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:05:34,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:05:34,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:05:34,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:05:34,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (1/1) ... [2019-08-08 11:05:34,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (1/1) ... [2019-08-08 11:05:34,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (1/1) ... [2019-08-08 11:05:34,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (1/1) ... [2019-08-08 11:05:34,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (1/1) ... [2019-08-08 11:05:34,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (1/1) ... [2019-08-08 11:05:34,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (1/1) ... [2019-08-08 11:05:34,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:05:34,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:05:34,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:05:34,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:05:34,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:05:34" (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 11:05:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:05:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:05:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:05:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:05:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-08 11:05:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:05:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:05:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:05:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-08 11:05:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:05:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:05:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:05:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:05:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:05:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:05:42,357 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:05:42,359 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:05:42,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:05:42 BoogieIcfgContainer [2019-08-08 11:05:42,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:05:42,362 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:05:42,362 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:05:42,362 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:05:42,363 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:05:42" (1/1) ... [2019-08-08 11:05:42,378 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:05:42,380 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:05:42,394 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:05:42,401 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:05:42,402 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:05:42,449 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 37 [2019-08-08 11:06:14,827 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:06:14,892 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:06:14,892 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:06:14,894 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 978081#(and (= ~a15~0 4) (= ~a18~0 10) (<= ~a3~0 306) (< 115 ~a3~0) (= ~a24~0 0)) [2019-08-08 11:06:14,895 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:06:14,903 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:06:14,906 INFO L168 Benchmark]: Toolchain (without parser) took 42741.24 ms. Allocated memory was 138.4 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 76.6 MB in the beginning and 847.3 MB in the end (delta: -770.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-08 11:06:14,907 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:06:14,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2041.89 ms. Allocated memory was 138.4 MB in the beginning and 241.2 MB in the end (delta: 102.8 MB). Free memory was 76.3 MB in the beginning and 147.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:06:14,909 INFO L168 Benchmark]: Boogie Preprocessor took 280.12 ms. Allocated memory is still 241.2 MB. Free memory was 147.5 MB in the beginning and 126.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:06:14,910 INFO L168 Benchmark]: RCFGBuilder took 7873.65 ms. Allocated memory was 241.2 MB in the beginning and 372.2 MB in the end (delta: 131.1 MB). Free memory was 126.0 MB in the beginning and 211.4 MB in the end (delta: -85.5 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:06:14,911 INFO L168 Benchmark]: Symbolic Interpretation took 32541.35 ms. Allocated memory was 372.2 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 211.4 MB in the beginning and 847.3 MB in the end (delta: -635.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-08 11:06:14,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 84]: 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 0.52 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2041.89 ms. Allocated memory was 138.4 MB in the beginning and 241.2 MB in the end (delta: 102.8 MB). Free memory was 76.3 MB in the beginning and 147.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 280.12 ms. Allocated memory is still 241.2 MB. Free memory was 147.5 MB in the beginning and 126.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7873.65 ms. Allocated memory was 241.2 MB in the beginning and 372.2 MB in the end (delta: 131.1 MB). Free memory was 126.0 MB in the beginning and 211.4 MB in the end (delta: -85.5 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 32541.35 ms. Allocated memory was 372.2 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 211.4 MB in the beginning and 847.3 MB in the end (delta: -635.9 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...