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/Problem10_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:47:52,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:47:52,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:47:52,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:47:52,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:47:52,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:47:52,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:47:52,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:47:52,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:47:52,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:47:52,367 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:47:52,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:47:52,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:47:52,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:47:52,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:47:52,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:47:52,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:47:52,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:47:52,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:47:52,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:47:52,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:47:52,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:47:52,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:47:52,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:47:52,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:47:52,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:47:52,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:47:52,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:47:52,396 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 10:47:52,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:47:52,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:47:52,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:47:52,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:47:52,425 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:47:52,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:47:52,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:47:52,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:47:52,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:47:52,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:47:52,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:47:52,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:47:52,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:47:52,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:47:52,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:47:52,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:47:52,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:47:52,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:47:52,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:47:52,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:47:52,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:47:52,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:47:52,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:47:52,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:47:52,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:47:52,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:47:52,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:47:52,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:47:52,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:47:52,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:47:52,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:47:52,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:47:52,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:47:52,501 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:47:52,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label57.c [2019-08-08 10:47:52,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404a8f466/72069012c08d42419991c4988caf7b09/FLAGa1de99500 [2019-08-08 10:47:53,114 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:47:53,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label57.c [2019-08-08 10:47:53,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404a8f466/72069012c08d42419991c4988caf7b09/FLAGa1de99500 [2019-08-08 10:47:53,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404a8f466/72069012c08d42419991c4988caf7b09 [2019-08-08 10:47:53,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:47:53,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:47:53,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:47:53,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:47:53,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:47:53,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:47:53" (1/1) ... [2019-08-08 10:47:53,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9f57fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:53, skipping insertion in model container [2019-08-08 10:47:53,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:47:53" (1/1) ... [2019-08-08 10:47:53,376 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:47:53,436 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:47:53,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:47:53,880 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:47:54,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:47:54,110 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:47:54,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54 WrapperNode [2019-08-08 10:47:54,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:47:54,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:47:54,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:47:54,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:47:54,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (1/1) ... [2019-08-08 10:47:54,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (1/1) ... [2019-08-08 10:47:54,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (1/1) ... [2019-08-08 10:47:54,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (1/1) ... [2019-08-08 10:47:54,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (1/1) ... [2019-08-08 10:47:54,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (1/1) ... [2019-08-08 10:47:54,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (1/1) ... [2019-08-08 10:47:54,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:47:54,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:47:54,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:47:54,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:47:54,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:54" (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 10:47:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:47:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:47:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:47:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:47:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:47:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:47:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:47:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:47:54,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:47:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:47:54,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:47:57,515 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:47:57,516 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:47:57,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:47:57 BoogieIcfgContainer [2019-08-08 10:47:57,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:47:57,521 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:47:57,521 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:47:57,521 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:47:57,523 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:47:57" (1/1) ... [2019-08-08 10:47:57,533 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:47:57,535 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:47:57,544 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:47:57,550 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:47:57,551 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:47:57,598 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 36 [2019-08-08 10:48:03,892 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 10 [2019-08-08 10:48:03,903 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:48:03,906 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:48:03,909 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 155498#(and (< 38 ~a1~0) (<= ~a1~0 218) (= ~a10~0 |old(~a10~0)|) (= 14 ~a4~0) (= ~a10~0 4) (= ~a12~0 0) (= ~a19~0 8) (= |calculate_output_#in~input| calculate_output_~input) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-08-08 10:48:03,910 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:48:03,924 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:48:03,929 INFO L168 Benchmark]: Toolchain (without parser) took 10566.81 ms. Allocated memory was 138.9 MB in the beginning and 597.7 MB in the end (delta: 458.8 MB). Free memory was 85.4 MB in the beginning and 336.3 MB in the end (delta: -250.9 MB). Peak memory consumption was 514.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:03,931 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:48:03,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.41 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 85.2 MB in the beginning and 169.0 MB in the end (delta: -83.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:03,938 INFO L168 Benchmark]: Boogie Preprocessor took 121.00 ms. Allocated memory is still 202.4 MB. Free memory was 169.0 MB in the beginning and 164.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:03,943 INFO L168 Benchmark]: RCFGBuilder took 3288.13 ms. Allocated memory was 202.4 MB in the beginning and 224.9 MB in the end (delta: 22.5 MB). Free memory was 163.7 MB in the beginning and 183.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:03,947 INFO L168 Benchmark]: Symbolic Interpretation took 6403.33 ms. Allocated memory was 224.9 MB in the beginning and 597.7 MB in the end (delta: 372.8 MB). Free memory was 183.8 MB in the beginning and 336.3 MB in the end (delta: -152.5 MB). Peak memory consumption was 526.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:03,960 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 22]: 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 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.41 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 85.2 MB in the beginning and 169.0 MB in the end (delta: -83.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.00 ms. Allocated memory is still 202.4 MB. Free memory was 169.0 MB in the beginning and 164.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3288.13 ms. Allocated memory was 202.4 MB in the beginning and 224.9 MB in the end (delta: 22.5 MB). Free memory was 163.7 MB in the beginning and 183.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6403.33 ms. Allocated memory was 224.9 MB in the beginning and 597.7 MB in the end (delta: 372.8 MB). Free memory was 183.8 MB in the beginning and 336.3 MB in the end (delta: -152.5 MB). Peak memory consumption was 526.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...