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/Problem01_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:48:12,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:48:12,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:48:12,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:48:12,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:48:12,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:48:12,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:48:12,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:48:12,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:48:12,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:48:12,138 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:48:12,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:48:12,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:48:12,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:48:12,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:48:12,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:48:12,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:48:12,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:48:12,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:48:12,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:48:12,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:48:12,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:48:12,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:48:12,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:48:12,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:48:12,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:48:12,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:48:12,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:48:12,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:48:12,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:48:12,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:48:12,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:48:12,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:48:12,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:48:12,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:48:12,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:48:12,168 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 16:48:12,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:48:12,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:48:12,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:48:12,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:48:12,200 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:48:12,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:48:12,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:48:12,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:48:12,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:48:12,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:48:12,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:48:12,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:48:12,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:48:12,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:48:12,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:48:12,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:48:12,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:48:12,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:48:12,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:48:12,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:48:12,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:48:12,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:48:12,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:48:12,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:48:12,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:48:12,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:48:12,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:48:12,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:48:12,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:48:12,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:48:12,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:48:12,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:48:12,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:48:12,296 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:48:12,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2019-08-09 16:48:12,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b8531494/aecf0857d78f41dba545475d340557a4/FLAGcbda0cfce [2019-08-09 16:48:12,930 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:48:12,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2019-08-09 16:48:12,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b8531494/aecf0857d78f41dba545475d340557a4/FLAGcbda0cfce [2019-08-09 16:48:13,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b8531494/aecf0857d78f41dba545475d340557a4 [2019-08-09 16:48:13,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:48:13,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:48:13,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:48:13,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:48:13,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:48:13,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:48:13" (1/1) ... [2019-08-09 16:48:13,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9d90ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:13, skipping insertion in model container [2019-08-09 16:48:13,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:48:13" (1/1) ... [2019-08-09 16:48:13,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:48:13,347 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:48:13,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:48:13,972 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:48:14,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:48:14,103 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:48:14,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14 WrapperNode [2019-08-09 16:48:14,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:48:14,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:48:14,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:48:14,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:48:14,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (1/1) ... [2019-08-09 16:48:14,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (1/1) ... [2019-08-09 16:48:14,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (1/1) ... [2019-08-09 16:48:14,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (1/1) ... [2019-08-09 16:48:14,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (1/1) ... [2019-08-09 16:48:14,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (1/1) ... [2019-08-09 16:48:14,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (1/1) ... [2019-08-09 16:48:14,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:48:14,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:48:14,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:48:14,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:48:14,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:14" (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 16:48:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:48:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:48:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:48:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:48:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:48:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:48:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:48:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:48:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:48:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:48:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:48:15,488 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:48:15,488 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:48:15,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:15 BoogieIcfgContainer [2019-08-09 16:48:15,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:48:15,495 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:48:15,496 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:48:15,496 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:48:15,498 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:15" (1/1) ... [2019-08-09 16:48:17,231 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:48:17,241 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:48:17,244 INFO L168 Benchmark]: Toolchain (without parser) took 3968.26 ms. Allocated memory was 132.6 MB in the beginning and 270.5 MB in the end (delta: 137.9 MB). Free memory was 86.2 MB in the beginning and 121.2 MB in the end (delta: -35.0 MB). Peak memory consumption was 146.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:17,245 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:48:17,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.46 ms. Allocated memory was 132.6 MB in the beginning and 202.4 MB in the end (delta: 69.7 MB). Free memory was 86.0 MB in the beginning and 166.9 MB in the end (delta: -80.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:17,247 INFO L168 Benchmark]: Boogie Preprocessor took 98.97 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 161.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:17,248 INFO L168 Benchmark]: RCFGBuilder took 1290.83 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 161.5 MB in the beginning and 178.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:17,249 INFO L168 Benchmark]: Symbolic Interpretation took 1745.66 ms. Allocated memory was 225.4 MB in the beginning and 270.5 MB in the end (delta: 45.1 MB). Free memory was 178.7 MB in the beginning and 121.2 MB in the end (delta: 57.5 MB). Peak memory consumption was 145.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:17,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 434]: 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 26756#(and (not (= ~a20~0 1)) (= 1 ~a7~0) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a16~0 6) (= 14 ~a8~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 828.46 ms. Allocated memory was 132.6 MB in the beginning and 202.4 MB in the end (delta: 69.7 MB). Free memory was 86.0 MB in the beginning and 166.9 MB in the end (delta: -80.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.97 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 161.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1290.83 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 161.5 MB in the beginning and 178.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1745.66 ms. Allocated memory was 225.4 MB in the beginning and 270.5 MB in the end (delta: 45.1 MB). Free memory was 178.7 MB in the beginning and 121.2 MB in the end (delta: 57.5 MB). Peak memory consumption was 145.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...