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/Problem14_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:55:41,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:55:41,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:55:41,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:55:41,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:55:41,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:55:41,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:55:41,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:55:41,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:55:41,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:55:41,937 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:55:41,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:55:41,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:55:41,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:55:41,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:55:41,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:55:41,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:55:41,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:55:41,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:55:41,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:55:41,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:55:41,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:55:41,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:55:41,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:55:41,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:55:41,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:55:41,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:55:41,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:55:41,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:55:41,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:55:41,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:55:41,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:55:41,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:55:41,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:55:41,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:55:41,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:55:41,970 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 10:55:41,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:55:41,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:55:41,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:55:41,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:55:41,998 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:55:41,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:55:41,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:55:41,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:55:41,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:55:41,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:55:42,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:55:42,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:55:42,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:55:42,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:55:42,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:55:42,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:55:42,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:55:42,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:55:42,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:55:42,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:55:42,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:55:42,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:55:42,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:55:42,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:55:42,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:55:42,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:55:42,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:55:42,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:55:42,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:55:42,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:55:42,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:55:42,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:55:42,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:55:42,068 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:55:42,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label00.c [2019-08-08 10:55:42,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb65b1c40/c70e77ed77094933a6ecd781b2de981a/FLAG020923a5b [2019-08-08 10:55:42,710 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:55:42,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label00.c [2019-08-08 10:55:42,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb65b1c40/c70e77ed77094933a6ecd781b2de981a/FLAG020923a5b [2019-08-08 10:55:42,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb65b1c40/c70e77ed77094933a6ecd781b2de981a [2019-08-08 10:55:42,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:55:42,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:55:42,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:55:42,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:55:42,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:55:43,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:55:42" (1/1) ... [2019-08-08 10:55:43,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e73860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43, skipping insertion in model container [2019-08-08 10:55:43,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:55:42" (1/1) ... [2019-08-08 10:55:43,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:55:43,077 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:55:43,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:55:43,669 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:55:43,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:55:43,813 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:55:43,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43 WrapperNode [2019-08-08 10:55:43,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:55:43,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:55:43,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:55:43,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:55:43,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (1/1) ... [2019-08-08 10:55:43,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (1/1) ... [2019-08-08 10:55:43,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (1/1) ... [2019-08-08 10:55:43,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (1/1) ... [2019-08-08 10:55:43,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (1/1) ... [2019-08-08 10:55:43,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (1/1) ... [2019-08-08 10:55:43,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (1/1) ... [2019-08-08 10:55:43,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:55:43,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:55:43,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:55:43,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:55:43,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:55:43" (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 10:55:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:55:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:55:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:55:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:55:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:55:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:55:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:55:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:55:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:55:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:55:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:55:47,528 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:55:47,528 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:55:47,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:55:47 BoogieIcfgContainer [2019-08-08 10:55:47,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:55:47,530 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:55:47,530 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:55:47,531 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:55:47,532 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:55:47" (1/1) ... [2019-08-08 10:55:47,543 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:55:47,546 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:55:47,555 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:55:47,562 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:55:47,563 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:55:47,609 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 40 [2019-08-08 10:56:01,430 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 81 [2019-08-08 10:56:01,549 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:56:01,550 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:56:01,552 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 410081#(and (<= (+ ~a12~0 43) 0) (= ~a24~0 1) (= ~a15~0 5) (= ~a21~0 7)) [2019-08-08 10:56:01,554 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:56:01,562 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:56:01,565 INFO L168 Benchmark]: Toolchain (without parser) took 18571.30 ms. Allocated memory was 133.2 MB in the beginning and 1.1 GB in the end (delta: 931.1 MB). Free memory was 86.6 MB in the beginning and 122.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 966.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:01,566 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:56:01,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.57 ms. Allocated memory was 133.2 MB in the beginning and 205.0 MB in the end (delta: 71.8 MB). Free memory was 86.4 MB in the beginning and 166.2 MB in the end (delta: -79.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:01,568 INFO L168 Benchmark]: Boogie Preprocessor took 167.32 ms. Allocated memory is still 205.0 MB. Free memory was 166.2 MB in the beginning and 160.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:01,569 INFO L168 Benchmark]: RCFGBuilder took 3548.01 ms. Allocated memory was 205.0 MB in the beginning and 229.1 MB in the end (delta: 24.1 MB). Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:01,570 INFO L168 Benchmark]: Symbolic Interpretation took 14031.95 ms. Allocated memory was 229.1 MB in the beginning and 1.1 GB in the end (delta: 835.2 MB). Free memory was 158.6 MB in the beginning and 122.8 MB in the end (delta: 35.8 MB). Peak memory consumption was 942.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:01,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 163]: 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 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 818.57 ms. Allocated memory was 133.2 MB in the beginning and 205.0 MB in the end (delta: 71.8 MB). Free memory was 86.4 MB in the beginning and 166.2 MB in the end (delta: -79.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.32 ms. Allocated memory is still 205.0 MB. Free memory was 166.2 MB in the beginning and 160.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3548.01 ms. Allocated memory was 205.0 MB in the beginning and 229.1 MB in the end (delta: 24.1 MB). Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14031.95 ms. Allocated memory was 229.1 MB in the beginning and 1.1 GB in the end (delta: 835.2 MB). Free memory was 158.6 MB in the beginning and 122.8 MB in the end (delta: 35.8 MB). Peak memory consumption was 942.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...