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/Problem10_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:47:21,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:47:21,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:47:21,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:47:21,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:47:21,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:47:21,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:47:21,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:47:21,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:47:21,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:47:21,845 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:47:21,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:47:21,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:47:21,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:47:21,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:47:21,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:47:21,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:47:21,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:47:21,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:47:21,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:47:21,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:47:21,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:47:21,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:47:21,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:47:21,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:47:21,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:47:21,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:47:21,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:47:21,875 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 10:47:21,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:47:21,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:47:21,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:47:21,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:47:21,894 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:47:21,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:47:21,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:47:21,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:47:21,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:47:21,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:47:21,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:47:21,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:47:21,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:47:21,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:47:21,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:47:21,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:47:21,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:47:21,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:47:21,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:47:21,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:47:21,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:47:21,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:47:21,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:47:21,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:47:21,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:47:21,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:47:21,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:47:21,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:47:21,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:47:21,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:47:21,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:47:21,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:47:21,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:47:21,979 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:47:21,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label42.c [2019-08-08 10:47:22,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a260e8192/f7e737664bb149719df876c6f07c9c08/FLAG3c5f32259 [2019-08-08 10:47:22,626 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:47:22,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label42.c [2019-08-08 10:47:22,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a260e8192/f7e737664bb149719df876c6f07c9c08/FLAG3c5f32259 [2019-08-08 10:47:22,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a260e8192/f7e737664bb149719df876c6f07c9c08 [2019-08-08 10:47:22,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:47:22,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:47:22,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:47:22,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:47:22,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:47:22,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:47:22" (1/1) ... [2019-08-08 10:47:22,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0a3785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:22, skipping insertion in model container [2019-08-08 10:47:22,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:47:22" (1/1) ... [2019-08-08 10:47:22,904 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:47:22,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:47:23,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:47:23,497 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:47:23,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:47:23,637 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:47:23,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23 WrapperNode [2019-08-08 10:47:23,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:47:23,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:47:23,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:47:23,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:47:23,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (1/1) ... [2019-08-08 10:47:23,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (1/1) ... [2019-08-08 10:47:23,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (1/1) ... [2019-08-08 10:47:23,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (1/1) ... [2019-08-08 10:47:23,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (1/1) ... [2019-08-08 10:47:23,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (1/1) ... [2019-08-08 10:47:23,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (1/1) ... [2019-08-08 10:47:23,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:47:23,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:47:23,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:47:23,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:47:23,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:47:23" (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 10:47:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:47:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:47:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:47:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:47:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:47:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:47:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:47:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:47:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:47:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:47:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:47:26,892 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:47:26,893 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:47:26,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:47:26 BoogieIcfgContainer [2019-08-08 10:47:26,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:47:26,895 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:47:26,895 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:47:26,895 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:47:26,896 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:47:26" (1/1) ... [2019-08-08 10:47:26,909 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:47:26,913 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:47:26,923 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:47:26,932 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:47:26,933 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:47:26,991 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 36 [2019-08-08 10:47:33,052 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 10 [2019-08-08 10:47:33,096 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:47:33,097 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:47:33,102 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 156761#(and (< 218 ~a1~0) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (= ~a19~0 8)) [2019-08-08 10:47:33,103 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:47:33,111 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:47:33,115 INFO L168 Benchmark]: Toolchain (without parser) took 10228.90 ms. Allocated memory was 140.5 MB in the beginning and 567.3 MB in the end (delta: 426.8 MB). Free memory was 88.0 MB in the beginning and 170.8 MB in the end (delta: -82.8 MB). Peak memory consumption was 481.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:47:33,116 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:47:33,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.28 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 87.8 MB in the beginning and 168.0 MB in the end (delta: -80.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:47:33,119 INFO L168 Benchmark]: Boogie Preprocessor took 122.16 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 163.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:47:33,121 INFO L168 Benchmark]: RCFGBuilder took 3133.24 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 163.5 MB in the beginning and 182.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:47:33,123 INFO L168 Benchmark]: Symbolic Interpretation took 6216.20 ms. Allocated memory was 228.6 MB in the beginning and 567.3 MB in the end (delta: 338.7 MB). Free memory was 182.0 MB in the beginning and 170.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 487.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:47:33,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 55]: 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 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.28 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 87.8 MB in the beginning and 168.0 MB in the end (delta: -80.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.16 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 163.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3133.24 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 163.5 MB in the beginning and 182.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6216.20 ms. Allocated memory was 228.6 MB in the beginning and 567.3 MB in the end (delta: 338.7 MB). Free memory was 182.0 MB in the beginning and 170.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 487.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...