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/Problem04_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:54:45,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:54:45,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:54:45,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:54:45,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:54:45,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:54:45,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:54:45,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:54:45,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:54:45,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:54:45,777 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:54:45,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:54:45,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:54:45,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:54:45,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:54:45,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:54:45,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:54:45,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:54:45,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:54:45,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:54:45,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:54:45,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:54:45,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:54:45,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:54:45,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:54:45,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:54:45,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:54:45,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:54:45,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:54:45,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:54:45,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:54:45,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:54:45,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:54:45,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:54:45,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:54:45,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:54:45,805 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 16:54:45,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:54:45,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:54:45,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:54:45,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:54:45,834 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:54:45,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:54:45,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:54:45,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:54:45,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:54:45,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:54:45,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:54:45,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:54:45,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:54:45,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:54:45,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:54:45,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:54:45,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:54:45,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:54:45,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:54:45,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:54:45,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:54:45,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:54:45,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:54:45,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:54:45,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:54:45,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:54:45,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:54:45,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:54:45,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:54:45,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:54:45,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:54:45,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:54:45,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:54:45,902 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:54:45,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label46.c [2019-08-09 16:54:45,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35ef69574/01ad6dca1c62471eaa0e60699f044158/FLAG3c38ba14a [2019-08-09 16:54:46,704 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:54:46,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label46.c [2019-08-09 16:54:46,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35ef69574/01ad6dca1c62471eaa0e60699f044158/FLAG3c38ba14a [2019-08-09 16:54:47,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35ef69574/01ad6dca1c62471eaa0e60699f044158 [2019-08-09 16:54:47,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:54:47,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:54:47,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:47,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:54:47,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:54:47,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c070a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47, skipping insertion in model container [2019-08-09 16:54:47,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,234 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:54:47,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:54:48,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:48,716 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:54:49,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:49,592 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:54:49,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49 WrapperNode [2019-08-09 16:54:49,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:49,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:54:49,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:54:49,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:54:49,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (1/1) ... [2019-08-09 16:54:49,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (1/1) ... [2019-08-09 16:54:49,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (1/1) ... [2019-08-09 16:54:49,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (1/1) ... [2019-08-09 16:54:49,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (1/1) ... [2019-08-09 16:54:49,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (1/1) ... [2019-08-09 16:54:49,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (1/1) ... [2019-08-09 16:54:49,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:54:49,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:54:49,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:54:49,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:54:49,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:49" (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 [2019-08-09 16:54:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:54:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:54:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:54:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:54:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:54:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:54:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:54:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:54:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:54:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:54:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:54:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:54:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:54:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:54:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:54:54,133 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:54:54,134 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:54:54,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:54 BoogieIcfgContainer [2019-08-09 16:54:54,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:54:54,139 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:54:54,139 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:54:54,139 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:54:54,140 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:54" (1/1) ... [2019-08-09 16:54:58,313 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:54:58,321 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:54:58,324 INFO L168 Benchmark]: Toolchain (without parser) took 11103.77 ms. Allocated memory was 133.2 MB in the beginning and 632.8 MB in the end (delta: 499.6 MB). Free memory was 73.9 MB in the beginning and 422.4 MB in the end (delta: -348.5 MB). Peak memory consumption was 538.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:58,325 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-08-09 16:54:58,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2374.06 ms. Allocated memory was 133.2 MB in the beginning and 289.9 MB in the end (delta: 156.8 MB). Free memory was 73.7 MB in the beginning and 174.6 MB in the end (delta: -100.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:58,328 INFO L168 Benchmark]: Boogie Preprocessor took 283.65 ms. Allocated memory is still 289.9 MB. Free memory was 174.6 MB in the beginning and 145.3 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:58,330 INFO L168 Benchmark]: RCFGBuilder took 4260.75 ms. Allocated memory was 289.9 MB in the beginning and 407.4 MB in the end (delta: 117.4 MB). Free memory was 145.3 MB in the beginning and 83.7 MB in the end (delta: 61.6 MB). Peak memory consumption was 190.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:58,331 INFO L168 Benchmark]: Symbolic Interpretation took 4182.03 ms. Allocated memory was 407.4 MB in the beginning and 632.8 MB in the end (delta: 225.4 MB). Free memory was 83.7 MB in the beginning and 422.4 MB in the end (delta: -338.7 MB). Peak memory consumption was 273.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:58,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4733]: 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 67756#(and (= 1 ~a1~0) (= ~a14~0 19) (= ~a26~0 19) (= 1 ~a3~0) (= ~a28~0 17) (not (= 1 ~a7~0)) (= ~a25~0 1) (= 16 ~a4~0)). 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 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 2374.06 ms. Allocated memory was 133.2 MB in the beginning and 289.9 MB in the end (delta: 156.8 MB). Free memory was 73.7 MB in the beginning and 174.6 MB in the end (delta: -100.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 283.65 ms. Allocated memory is still 289.9 MB. Free memory was 174.6 MB in the beginning and 145.3 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4260.75 ms. Allocated memory was 289.9 MB in the beginning and 407.4 MB in the end (delta: 117.4 MB). Free memory was 145.3 MB in the beginning and 83.7 MB in the end (delta: 61.6 MB). Peak memory consumption was 190.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4182.03 ms. Allocated memory was 407.4 MB in the beginning and 632.8 MB in the end (delta: 225.4 MB). Free memory was 83.7 MB in the beginning and 422.4 MB in the end (delta: -338.7 MB). Peak memory consumption was 273.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...