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/Problem11_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:48:13,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:48:13,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:48:14,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:48:14,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:48:14,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:48:14,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:48:14,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:48:14,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:48:14,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:48:14,008 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:48:14,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:48:14,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:48:14,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:48:14,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:48:14,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:48:14,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:48:14,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:48:14,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:48:14,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:48:14,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:48:14,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:48:14,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:48:14,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:48:14,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:48:14,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:48:14,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:48:14,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:48:14,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:48:14,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:48:14,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:48:14,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:48:14,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:48:14,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:48:14,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:48:14,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:48:14,035 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 10:48:14,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:48:14,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:48:14,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:48:14,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:48:14,051 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:48:14,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:48:14,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:48:14,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:48:14,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:48:14,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:48:14,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:48:14,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:48:14,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:48:14,053 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:48:14,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:48:14,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:48:14,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:48:14,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:48:14,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:48:14,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:48:14,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:48:14,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:48:14,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:48:14,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:48:14,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:48:14,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:48:14,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:48:14,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:48:14,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:48:14,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:48:14,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:48:14,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:48:14,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:48:14,107 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:48:14,108 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label09.c [2019-08-08 10:48:14,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39fe3a559/692e7af4fd114bcb8676f71483155a06/FLAG98a351032 [2019-08-08 10:48:14,793 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:48:14,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label09.c [2019-08-08 10:48:14,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39fe3a559/692e7af4fd114bcb8676f71483155a06/FLAG98a351032 [2019-08-08 10:48:15,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39fe3a559/692e7af4fd114bcb8676f71483155a06 [2019-08-08 10:48:15,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:48:15,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:48:15,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:48:15,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:48:15,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:48:15,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:48:15" (1/1) ... [2019-08-08 10:48:15,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8b8977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:15, skipping insertion in model container [2019-08-08 10:48:15,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:48:15" (1/1) ... [2019-08-08 10:48:15,088 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:48:15,144 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:48:15,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:48:15,913 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:48:16,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:48:16,055 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:48:16,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16 WrapperNode [2019-08-08 10:48:16,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:48:16,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:48:16,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:48:16,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:48:16,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (1/1) ... [2019-08-08 10:48:16,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (1/1) ... [2019-08-08 10:48:16,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (1/1) ... [2019-08-08 10:48:16,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (1/1) ... [2019-08-08 10:48:16,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (1/1) ... [2019-08-08 10:48:16,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (1/1) ... [2019-08-08 10:48:16,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (1/1) ... [2019-08-08 10:48:16,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:48:16,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:48:16,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:48:16,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:48:16,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:16" (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 10:48:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:48:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:48:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:48:16,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:48:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:48:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:48:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:48:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:48:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:48:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:48:16,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:48:20,558 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:48:20,559 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:48:20,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:48:20 BoogieIcfgContainer [2019-08-08 10:48:20,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:48:20,564 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:48:20,564 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:48:20,564 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:48:20,565 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:48:20" (1/1) ... [2019-08-08 10:48:20,591 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:48:20,595 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:48:20,620 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:48:20,634 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:48:20,637 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:48:20,733 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 10:48:35,492 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 85 [2019-08-08 10:48:36,191 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:48:36,192 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:48:36,195 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 488275#(and (= ~a25~0 9) (= 1 ~a3~0) (<= ~a29~0 277) (= 15 ~a8~0) (< 245 ~a29~0) (= 1 ~a4~0) (<= (+ ~a23~0 43) 0)) [2019-08-08 10:48:36,196 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:48:36,203 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:48:36,206 INFO L168 Benchmark]: Toolchain (without parser) took 21132.95 ms. Allocated memory was 140.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 84.3 MB in the beginning and 563.3 MB in the end (delta: -479.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-08 10:48:36,207 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:48:36,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 983.32 ms. Allocated memory was 140.5 MB in the beginning and 222.3 MB in the end (delta: 81.8 MB). Free memory was 84.1 MB in the beginning and 181.9 MB in the end (delta: -97.8 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:36,209 INFO L168 Benchmark]: Boogie Preprocessor took 155.87 ms. Allocated memory is still 222.3 MB. Free memory was 181.9 MB in the beginning and 174.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:36,210 INFO L168 Benchmark]: RCFGBuilder took 4350.48 ms. Allocated memory was 222.3 MB in the beginning and 275.3 MB in the end (delta: 53.0 MB). Free memory was 174.2 MB in the beginning and 176.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:36,211 INFO L168 Benchmark]: Symbolic Interpretation took 15639.65 ms. Allocated memory was 275.3 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 176.7 MB in the beginning and 563.3 MB in the end (delta: -386.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-08 10:48:36,216 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 204]: 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 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 983.32 ms. Allocated memory was 140.5 MB in the beginning and 222.3 MB in the end (delta: 81.8 MB). Free memory was 84.1 MB in the beginning and 181.9 MB in the end (delta: -97.8 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.87 ms. Allocated memory is still 222.3 MB. Free memory was 181.9 MB in the beginning and 174.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4350.48 ms. Allocated memory was 222.3 MB in the beginning and 275.3 MB in the end (delta: 53.0 MB). Free memory was 174.2 MB in the beginning and 176.7 MB in the end (delta: -2.5 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15639.65 ms. Allocated memory was 275.3 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 176.7 MB in the beginning and 563.3 MB in the end (delta: -386.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...