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_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:58:47,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:58:47,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:58:47,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:58:47,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:58:47,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:58:47,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:58:47,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:58:47,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:58:47,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:58:47,865 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:58:47,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:58:47,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:58:47,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:58:47,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:58:47,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:58:47,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:58:47,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:58:47,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:58:47,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:58:47,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:58:47,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:58:47,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:58:47,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:58:47,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:58:47,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:58:47,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:58:47,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:58:47,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:58:47,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:58:47,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:58:47,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:58:47,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:58:47,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:58:47,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:58:47,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:58:47,917 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 09:58:47,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:58:47,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:58:47,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:58:47,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:58:47,934 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:58:47,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:58:47,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:58:47,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:58:47,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:58:47,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:58:47,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:58:47,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:58:47,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:58:47,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:58:47,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:58:47,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:58:47,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:58:47,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:58:47,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:58:47,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:58:47,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:58:47,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:58:47,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:58:47,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:58:47,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:58:47,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:58:47,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:58:47,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:58:47,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:58:47,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:58:47,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:58:47,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:58:47,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:58:47,989 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:58:47,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label01.c [2019-08-08 09:58:48,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00854dc3/281d46abd65d4984a408cc369a8ee2d8/FLAGf812c09c3 [2019-08-08 09:58:48,727 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:58:48,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label01.c [2019-08-08 09:58:48,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00854dc3/281d46abd65d4984a408cc369a8ee2d8/FLAGf812c09c3 [2019-08-08 09:58:48,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00854dc3/281d46abd65d4984a408cc369a8ee2d8 [2019-08-08 09:58:48,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:58:48,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:58:48,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:58:48,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:58:48,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:58:48,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:58:48" (1/1) ... [2019-08-08 09:58:48,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107d930c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:48, skipping insertion in model container [2019-08-08 09:58:48,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:58:48" (1/1) ... [2019-08-08 09:58:48,986 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:58:49,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:58:49,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:58:49,495 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:58:49,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:58:49,751 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:58:49,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49 WrapperNode [2019-08-08 09:58:49,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:58:49,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:58:49,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:58:49,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:58:49,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (1/1) ... [2019-08-08 09:58:49,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (1/1) ... [2019-08-08 09:58:49,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (1/1) ... [2019-08-08 09:58:49,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (1/1) ... [2019-08-08 09:58:49,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (1/1) ... [2019-08-08 09:58:49,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (1/1) ... [2019-08-08 09:58:49,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (1/1) ... [2019-08-08 09:58:49,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:58:49,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:58:49,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:58:49,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:58:49,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:49" (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 09:58:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:58:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:58:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:58:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:58:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:58:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:58:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:58:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:58:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:58:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:58:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:58:53,029 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:58:53,030 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:58:53,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:58:53 BoogieIcfgContainer [2019-08-08 09:58:53,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:58:53,034 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:58:53,034 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:58:53,034 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:58:53,035 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,058 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:58:53,067 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:58:53,085 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:58:53,096 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:58:53,098 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:58:53,193 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:58:54,868 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:58:55,059 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:58:55,060 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:58:55,062 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 27249#(and (= 1 ~a7~0) (= 13 ~a8~0) (= ~a12~0 8) (= ~a17~0 1) (= ~a20~0 1) (= ~a21~0 1) (= ~a16~0 6)) [2019-08-08 09:58:55,066 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:58:55,078 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:58:55,083 INFO L168 Benchmark]: Toolchain (without parser) took 6112.57 ms. Allocated memory was 132.6 MB in the beginning and 385.9 MB in the end (delta: 253.2 MB). Free memory was 87.2 MB in the beginning and 279.4 MB in the end (delta: -192.2 MB). Peak memory consumption was 161.1 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:55,084 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 09:58:55,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.26 ms. Allocated memory was 132.6 MB in the beginning and 215.0 MB in the end (delta: 82.3 MB). Free memory was 87.0 MB in the beginning and 193.7 MB in the end (delta: -106.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:55,088 INFO L168 Benchmark]: Boogie Preprocessor took 116.30 ms. Allocated memory is still 215.0 MB. Free memory was 193.7 MB in the beginning and 188.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:55,090 INFO L168 Benchmark]: RCFGBuilder took 3164.01 ms. Allocated memory is still 215.0 MB. Free memory was 188.4 MB in the beginning and 88.5 MB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:55,092 INFO L168 Benchmark]: Symbolic Interpretation took 2044.95 ms. Allocated memory was 215.0 MB in the beginning and 385.9 MB in the end (delta: 170.9 MB). Free memory was 88.5 MB in the beginning and 279.4 MB in the end (delta: -190.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:55,106 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 449]: 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 0.53 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.26 ms. Allocated memory was 132.6 MB in the beginning and 215.0 MB in the end (delta: 82.3 MB). Free memory was 87.0 MB in the beginning and 193.7 MB in the end (delta: -106.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.30 ms. Allocated memory is still 215.0 MB. Free memory was 193.7 MB in the beginning and 188.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3164.01 ms. Allocated memory is still 215.0 MB. Free memory was 188.4 MB in the beginning and 88.5 MB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2044.95 ms. Allocated memory was 215.0 MB in the beginning and 385.9 MB in the end (delta: 170.9 MB). Free memory was 88.5 MB in the beginning and 279.4 MB in the end (delta: -190.9 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...