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/Problem17_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:02:23,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:02:23,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:02:23,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:02:23,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:02:23,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:02:23,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:02:23,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:02:23,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:02:23,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:02:23,264 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:02:23,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:02:23,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:02:23,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:02:23,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:02:23,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:02:23,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:02:23,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:02:23,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:02:23,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:02:23,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:02:23,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:02:23,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:02:23,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:02:23,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:02:23,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:02:23,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:02:23,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:02:23,297 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 11:02:23,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:02:23,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:02:23,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:02:23,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:02:23,323 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:02:23,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:02:23,324 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:02:23,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:02:23,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:02:23,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:02:23,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:02:23,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:02:23,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:02:23,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:02:23,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:02:23,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:02:23,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:02:23,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:02:23,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:02:23,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:02:23,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:02:23,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:02:23,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:02:23,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:02:23,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:02:23,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:02:23,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:02:23,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:02:23,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:02:23,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:02:23,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:02:23,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:02:23,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:02:23,378 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:02:23,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label00.c [2019-08-08 11:02:23,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1fb9340/ac5f09f83e544b99bae0b8cd85907590/FLAGe9050d084 [2019-08-08 11:02:24,125 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:02:24,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label00.c [2019-08-08 11:02:24,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1fb9340/ac5f09f83e544b99bae0b8cd85907590/FLAGe9050d084 [2019-08-08 11:02:24,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd1fb9340/ac5f09f83e544b99bae0b8cd85907590 [2019-08-08 11:02:24,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:02:24,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:02:24,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:02:24,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:02:24,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:02:24,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:02:24" (1/1) ... [2019-08-08 11:02:24,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e2d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:24, skipping insertion in model container [2019-08-08 11:02:24,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:02:24" (1/1) ... [2019-08-08 11:02:24,298 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:02:24,403 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:02:25,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:02:25,649 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:02:26,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:02:26,102 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:02:26,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26 WrapperNode [2019-08-08 11:02:26,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:02:26,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:02:26,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:02:26,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:02:26,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (1/1) ... [2019-08-08 11:02:26,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (1/1) ... [2019-08-08 11:02:26,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (1/1) ... [2019-08-08 11:02:26,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (1/1) ... [2019-08-08 11:02:26,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (1/1) ... [2019-08-08 11:02:26,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (1/1) ... [2019-08-08 11:02:26,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (1/1) ... [2019-08-08 11:02:26,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:02:26,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:02:26,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:02:26,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:02:26,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:02:26" (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 11:02:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:02:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:02:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:02:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:02:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:02:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:02:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:02:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:02:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:02:35,022 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:02:35,022 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:02:35,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:02:35 BoogieIcfgContainer [2019-08-08 11:02:35,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:02:35,028 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:02:35,028 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:02:35,029 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:02:35,030 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:02:35" (1/1) ... [2019-08-08 11:02:35,040 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:02:35,043 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:02:35,060 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:02:35,066 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:02:35,068 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:02:35,117 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 11:02:58,930 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 89 [2019-08-08 11:02:59,140 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:02:59,140 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:02:59,142 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 679259#(and (<= (+ ~a26~0 68) 0) (<= ~a28~0 134) (= ~a24~0 1) (< 37 ~a28~0) (<= ~a21~0 127) (<= (+ ~a14~0 182) 0)) [2019-08-08 11:02:59,144 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:02:59,151 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:02:59,155 INFO L168 Benchmark]: Toolchain (without parser) took 34874.34 ms. Allocated memory was 138.4 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 77.6 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:02:59,156 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 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 11:02:59,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1821.34 ms. Allocated memory was 138.4 MB in the beginning and 241.2 MB in the end (delta: 102.8 MB). Free memory was 77.3 MB in the beginning and 147.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:59,166 INFO L168 Benchmark]: Boogie Preprocessor took 265.69 ms. Allocated memory is still 241.2 MB. Free memory was 147.8 MB in the beginning and 127.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:59,168 INFO L168 Benchmark]: RCFGBuilder took 8657.48 ms. Allocated memory was 241.2 MB in the beginning and 371.2 MB in the end (delta: 130.0 MB). Free memory was 127.9 MB in the beginning and 259.8 MB in the end (delta: -131.9 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:59,169 INFO L168 Benchmark]: Symbolic Interpretation took 24123.82 ms. Allocated memory was 371.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 259.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-08-08 11:02:59,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 170]: 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 138.4 MB. Free memory was 104.6 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 1821.34 ms. Allocated memory was 138.4 MB in the beginning and 241.2 MB in the end (delta: 102.8 MB). Free memory was 77.3 MB in the beginning and 147.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 265.69 ms. Allocated memory is still 241.2 MB. Free memory was 147.8 MB in the beginning and 127.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8657.48 ms. Allocated memory was 241.2 MB in the beginning and 371.2 MB in the end (delta: 130.0 MB). Free memory was 127.9 MB in the beginning and 259.8 MB in the end (delta: -131.9 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 24123.82 ms. Allocated memory was 371.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 259.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...