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/Problem02_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:00:23,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:00:23,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:00:23,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:00:23,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:00:23,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:00:23,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:00:23,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:00:23,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:00:23,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:00:23,338 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:00:23,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:00:23,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:00:23,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:00:23,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:00:23,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:00:23,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:00:23,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:00:23,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:00:23,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:00:23,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:00:23,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:00:23,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:00:23,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:00:23,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:00:23,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:00:23,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:00:23,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:00:23,366 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 10:00:23,381 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:00:23,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:00:23,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:00:23,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:00:23,383 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:00:23,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:00:23,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:00:23,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:00:23,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:00:23,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:00:23,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:00:23,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:00:23,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:00:23,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:00:23,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:00:23,386 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:00:23,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:00:23,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:00:23,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:00:23,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:00:23,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:00:23,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:00:23,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:00:23,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:00:23,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:00:23,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:00:23,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:00:23,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:00:23,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:00:23,418 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:00:23,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:00:23,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:00:23,435 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:00:23,436 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:00:23,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2019-08-08 10:00:23,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6d54830/7adec73520da4ba69d015ae84d1d5e06/FLAG1231bd61e [2019-08-08 10:00:24,095 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:00:24,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2019-08-08 10:00:24,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6d54830/7adec73520da4ba69d015ae84d1d5e06/FLAG1231bd61e [2019-08-08 10:00:24,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6d54830/7adec73520da4ba69d015ae84d1d5e06 [2019-08-08 10:00:24,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:00:24,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:00:24,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:00:24,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:00:24,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:00:24,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:00:24" (1/1) ... [2019-08-08 10:00:24,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2202f247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:24, skipping insertion in model container [2019-08-08 10:00:24,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:00:24" (1/1) ... [2019-08-08 10:00:24,402 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:00:24,450 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:00:24,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:00:24,883 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:00:25,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:00:25,133 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:00:25,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25 WrapperNode [2019-08-08 10:00:25,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:00:25,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:00:25,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:00:25,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:00:25,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (1/1) ... [2019-08-08 10:00:25,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (1/1) ... [2019-08-08 10:00:25,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (1/1) ... [2019-08-08 10:00:25,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (1/1) ... [2019-08-08 10:00:25,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (1/1) ... [2019-08-08 10:00:25,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (1/1) ... [2019-08-08 10:00:25,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (1/1) ... [2019-08-08 10:00:25,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:00:25,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:00:25,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:00:25,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:00:25,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:00:25" (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 10:00:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:00:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:00:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:00:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:00:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:00:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:00:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:00:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:00:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:00:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:00:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:00:28,916 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:00:28,916 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:00:28,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:00:28 BoogieIcfgContainer [2019-08-08 10:00:28,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:00:28,919 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:00:28,919 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:00:28,919 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:00:28,920 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:00:28" (1/1) ... [2019-08-08 10:00:28,935 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:00:28,938 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:00:28,948 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:00:28,955 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:00:28,956 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:00:29,015 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 59 [2019-08-08 10:00:29,916 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 103 [2019-08-08 10:00:30,206 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:00:30,208 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:00:30,212 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 18048#(and (not (= ~a19~0 1)) (= ~a28~0 10) (= ~a17~0 7) (= ~a25~0 1) (= ~a11~0 1) (= ~a21~0 1)) [2019-08-08 10:00:30,215 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:00:30,223 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:00:30,227 INFO L168 Benchmark]: Toolchain (without parser) took 5839.02 ms. Allocated memory was 133.2 MB in the beginning and 265.3 MB in the end (delta: 132.1 MB). Free memory was 87.4 MB in the beginning and 202.5 MB in the end (delta: -115.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:00:30,228 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-08 10:00:30,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.15 ms. Allocated memory was 133.2 MB in the beginning and 202.4 MB in the end (delta: 69.2 MB). Free memory was 87.0 MB in the beginning and 168.2 MB in the end (delta: -81.2 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:00:30,231 INFO L168 Benchmark]: Boogie Preprocessor took 108.08 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 162.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:00:30,233 INFO L168 Benchmark]: RCFGBuilder took 3675.47 ms. Allocated memory was 202.4 MB in the beginning and 227.5 MB in the end (delta: 25.2 MB). Free memory was 162.0 MB in the beginning and 180.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:00:30,235 INFO L168 Benchmark]: Symbolic Interpretation took 1305.38 ms. Allocated memory was 227.5 MB in the beginning and 265.3 MB in the end (delta: 37.7 MB). Free memory was 180.2 MB in the beginning and 202.5 MB in the end (delta: -22.3 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:00:30,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 562]: 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 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.15 ms. Allocated memory was 133.2 MB in the beginning and 202.4 MB in the end (delta: 69.2 MB). Free memory was 87.0 MB in the beginning and 168.2 MB in the end (delta: -81.2 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.08 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 162.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3675.47 ms. Allocated memory was 202.4 MB in the beginning and 227.5 MB in the end (delta: 25.2 MB). Free memory was 162.0 MB in the beginning and 180.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1305.38 ms. Allocated memory was 227.5 MB in the beginning and 265.3 MB in the end (delta: 37.7 MB). Free memory was 180.2 MB in the beginning and 202.5 MB in the end (delta: -22.3 MB). Peak memory consumption was 137.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...