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/Problem18_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:56:57,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:56:57,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:56:57,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:56:57,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:56:57,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:56:57,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:56:57,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:56:57,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:56:57,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:56:57,813 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:56:57,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:56:57,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:56:57,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:56:57,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:56:57,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:56:57,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:56:57,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:56:57,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:56:57,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:56:57,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:56:57,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:56:57,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:56:57,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:56:57,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:56:57,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:56:57,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:56:57,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:56:57,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:56:57,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:56:57,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:56:57,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:56:57,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:56:57,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:56:57,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:56:57,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:56:57,840 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 23:56:57,855 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:56:57,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:56:57,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:56:57,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:56:57,860 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:56:57,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:56:57,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:56:57,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:56:57,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:56:57,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:56:57,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:56:57,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:56:57,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:56:57,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:56:57,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:56:57,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:56:57,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:56:57,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:56:57,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:56:57,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:56:57,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:56:57,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:56:57,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:56:57,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:56:57,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:56:57,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:56:57,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:56:57,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:56:57,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:56:57,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:56:57,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:56:57,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:56:57,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:56:57,938 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:56:57,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label43.c [2019-08-09 23:56:58,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ce8fbd4/04ee418870fe4a0da7bc0a1e48f5e0fe/FLAGa523e4b14 [2019-08-09 23:56:58,729 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:56:58,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label43.c [2019-08-09 23:56:58,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ce8fbd4/04ee418870fe4a0da7bc0a1e48f5e0fe/FLAGa523e4b14 [2019-08-09 23:56:58,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ce8fbd4/04ee418870fe4a0da7bc0a1e48f5e0fe [2019-08-09 23:56:58,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:56:58,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:56:58,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:56:58,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:56:58,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:56:58,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:58" (1/1) ... [2019-08-09 23:56:58,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47607977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:56:58, skipping insertion in model container [2019-08-09 23:56:58,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:56:58" (1/1) ... [2019-08-09 23:56:58,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:56:59,021 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:57:00,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:00,292 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:57:00,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:00,868 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:57:00,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00 WrapperNode [2019-08-09 23:57:00,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:57:00,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:57:00,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:57:00,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:57:00,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (1/1) ... [2019-08-09 23:57:00,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (1/1) ... [2019-08-09 23:57:00,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (1/1) ... [2019-08-09 23:57:00,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (1/1) ... [2019-08-09 23:57:01,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (1/1) ... [2019-08-09 23:57:01,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (1/1) ... [2019-08-09 23:57:01,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (1/1) ... [2019-08-09 23:57:01,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:57:01,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:57:01,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:57:01,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:57:01,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:00" (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 23:57:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:57:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:57:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:57:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:57:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:57:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:57:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:57:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:57:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:57:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:57:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:57:05,058 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:57:05,058 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:57:05,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:05 BoogieIcfgContainer [2019-08-09 23:57:05,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:57:05,063 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:57:05,064 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:57:05,064 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:57:05,065 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:05" (1/1) ... [2019-08-09 23:57:36,070 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:57:36,078 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:57:36,081 INFO L168 Benchmark]: Toolchain (without parser) took 37219.44 ms. Allocated memory was 129.0 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 74.8 MB in the beginning and 793.4 MB in the end (delta: -718.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-09 23:57:36,082 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 129.0 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 23:57:36,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2008.67 ms. Allocated memory was 129.0 MB in the beginning and 212.9 MB in the end (delta: 83.9 MB). Free memory was 74.6 MB in the beginning and 94.9 MB in the end (delta: -20.3 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:36,084 INFO L168 Benchmark]: Boogie Preprocessor took 252.54 ms. Allocated memory is still 212.9 MB. Free memory was 94.9 MB in the beginning and 73.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:36,085 INFO L168 Benchmark]: RCFGBuilder took 3939.56 ms. Allocated memory was 212.9 MB in the beginning and 403.2 MB in the end (delta: 190.3 MB). Free memory was 73.6 MB in the beginning and 228.9 MB in the end (delta: -155.3 MB). Peak memory consumption was 96.2 MB. Max. memory is 7.1 GB. [2019-08-09 23:57:36,086 INFO L168 Benchmark]: Symbolic Interpretation took 31014.70 ms. Allocated memory was 403.2 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 228.9 MB in the beginning and 793.4 MB in the end (delta: -564.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-09 23:57:36,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 207]: 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 982968#(and (= ~a15~0 4) (= ~a18~0 12) (= ~a24~0 2) (<= ~a3~0 115)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 129.0 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2008.67 ms. Allocated memory was 129.0 MB in the beginning and 212.9 MB in the end (delta: 83.9 MB). Free memory was 74.6 MB in the beginning and 94.9 MB in the end (delta: -20.3 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 252.54 ms. Allocated memory is still 212.9 MB. Free memory was 94.9 MB in the beginning and 73.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3939.56 ms. Allocated memory was 212.9 MB in the beginning and 403.2 MB in the end (delta: 190.3 MB). Free memory was 73.6 MB in the beginning and 228.9 MB in the end (delta: -155.3 MB). Peak memory consumption was 96.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 31014.70 ms. Allocated memory was 403.2 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 228.9 MB in the beginning and 793.4 MB in the end (delta: -564.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...