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_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:46,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:46,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:46,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:46,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:46,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:46,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:46,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:46,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:46,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:46,876 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:46,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:46,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:46,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:46,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:46,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:46,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:46,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:46,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:46,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:46,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:46,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:46,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:46,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:46,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:46,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:46,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:46,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:46,917 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 09:59:46,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:46,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:46,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:46,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:46,939 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:46,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:46,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:46,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:46,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:46,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:46,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:46,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:46,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:46,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:46,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:46,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:46,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:46,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:46,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:46,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:46,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:46,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:46,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:46,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:46,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:46,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:46,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:46,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:46,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:46,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:47,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:47,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:47,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:47,021 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:47,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2019-08-08 09:59:47,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf2e3d1c/ce19adf02e344d7ead5869f772488cc4/FLAGac721ed8c [2019-08-08 09:59:47,655 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:47,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2019-08-08 09:59:47,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf2e3d1c/ce19adf02e344d7ead5869f772488cc4/FLAGac721ed8c [2019-08-08 09:59:47,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf2e3d1c/ce19adf02e344d7ead5869f772488cc4 [2019-08-08 09:59:47,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:47,944 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:47,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:47,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:47,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:47,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:47" (1/1) ... [2019-08-08 09:59:47,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210dd6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:47, skipping insertion in model container [2019-08-08 09:59:47,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:47" (1/1) ... [2019-08-08 09:59:47,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:48,008 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:48,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:48,477 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:48,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:48,711 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:48,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48 WrapperNode [2019-08-08 09:59:48,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:48,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:48,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:48,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:48,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (1/1) ... [2019-08-08 09:59:48,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (1/1) ... [2019-08-08 09:59:48,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (1/1) ... [2019-08-08 09:59:48,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (1/1) ... [2019-08-08 09:59:48,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (1/1) ... [2019-08-08 09:59:48,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (1/1) ... [2019-08-08 09:59:48,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (1/1) ... [2019-08-08 09:59:48,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:48,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:48,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:48,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:48,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:48" (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 09:59:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:52,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:52,142 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:52,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:52 BoogieIcfgContainer [2019-08-08 09:59:52,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:52,144 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:52,144 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:52,145 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:52,146 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:52" (1/1) ... [2019-08-08 09:59:52,156 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:52,159 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:52,173 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:52,180 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:52,181 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:52,238 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:54,081 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:54,767 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:54,768 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:54,770 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 42617#(and (not (= ~a20~0 1)) (= 13 ~a8~0) (not (= 1 ~a7~0)) (= ~a12~0 8) (= ~a21~0 1) (= ~a16~0 6) (not (= ~a17~0 1))) [2019-08-08 09:59:54,771 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:54,779 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:54,782 INFO L168 Benchmark]: Toolchain (without parser) took 6837.30 ms. Allocated memory was 132.6 MB in the beginning and 351.3 MB in the end (delta: 218.6 MB). Free memory was 87.0 MB in the beginning and 278.1 MB in the end (delta: -191.1 MB). Peak memory consumption was 230.3 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:54,783 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 09:59:54,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.67 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 86.8 MB in the beginning and 168.0 MB in the end (delta: -81.2 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:54,786 INFO L168 Benchmark]: Boogie Preprocessor took 157.81 ms. Allocated memory is still 202.9 MB. Free memory was 168.0 MB in the beginning and 162.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:54,789 INFO L168 Benchmark]: RCFGBuilder took 3272.64 ms. Allocated memory was 202.9 MB in the beginning and 227.0 MB in the end (delta: 24.1 MB). Free memory was 162.6 MB in the beginning and 177.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:54,791 INFO L168 Benchmark]: Symbolic Interpretation took 2635.23 ms. Allocated memory was 227.0 MB in the beginning and 351.3 MB in the end (delta: 124.3 MB). Free memory was 177.8 MB in the beginning and 278.1 MB in the end (delta: -100.3 MB). Peak memory consumption was 226.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:54,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 512]: 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 0.54 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.67 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 86.8 MB in the beginning and 168.0 MB in the end (delta: -81.2 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.81 ms. Allocated memory is still 202.9 MB. Free memory was 168.0 MB in the beginning and 162.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3272.64 ms. Allocated memory was 202.9 MB in the beginning and 227.0 MB in the end (delta: 24.1 MB). Free memory was 162.6 MB in the beginning and 177.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2635.23 ms. Allocated memory was 227.0 MB in the beginning and 351.3 MB in the end (delta: 124.3 MB). Free memory was 177.8 MB in the beginning and 278.1 MB in the end (delta: -100.3 MB). Peak memory consumption was 226.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...