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/Problem02_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:51:27,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:51:27,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:51:27,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:51:27,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:51:27,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:51:27,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:51:27,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:51:27,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:51:27,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:51:27,813 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:51:27,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:51:27,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:51:27,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:51:27,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:51:27,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:51:27,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:51:27,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:51:27,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:51:27,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:51:27,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:51:27,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:51:27,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:51:27,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:51:27,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:51:27,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:51:27,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:51:27,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:51:27,859 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 16:51:27,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:51:27,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:51:27,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:51:27,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:51:27,885 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:51:27,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:51:27,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:51:27,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:51:27,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:51:27,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:51:27,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:51:27,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:51:27,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:51:27,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:51:27,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:51:27,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:51:27,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:51:27,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:51:27,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:51:27,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:51:27,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:51:27,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:51:27,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:51:27,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:51:27,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:51:27,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:51:27,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:51:27,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:51:27,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:51:27,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:51:27,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:51:27,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:51:27,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:51:27,975 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:51:27,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2019-08-09 16:51:28,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdb8751b/6cebfce8f2194115b0131ea059c676d8/FLAG8cdada5a3 [2019-08-09 16:51:28,644 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:51:28,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2019-08-09 16:51:28,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdb8751b/6cebfce8f2194115b0131ea059c676d8/FLAG8cdada5a3 [2019-08-09 16:51:28,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdb8751b/6cebfce8f2194115b0131ea059c676d8 [2019-08-09 16:51:28,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:51:28,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:51:28,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:51:28,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:51:28,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:51:28,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:28" (1/1) ... [2019-08-09 16:51:28,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7500a6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:28, skipping insertion in model container [2019-08-09 16:51:28,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:28" (1/1) ... [2019-08-09 16:51:28,966 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:51:29,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:51:29,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:51:29,598 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:51:29,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:51:29,737 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:51:29,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29 WrapperNode [2019-08-09 16:51:29,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:51:29,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:51:29,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:51:29,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:51:29,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (1/1) ... [2019-08-09 16:51:29,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (1/1) ... [2019-08-09 16:51:29,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (1/1) ... [2019-08-09 16:51:29,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (1/1) ... [2019-08-09 16:51:29,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (1/1) ... [2019-08-09 16:51:29,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (1/1) ... [2019-08-09 16:51:29,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (1/1) ... [2019-08-09 16:51:29,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:51:29,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:51:29,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:51:29,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:51:29,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:29" (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 16:51:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:51:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:51:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:51:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:51:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:51:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:51:31,107 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:51:31,108 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:51:31,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:51:31 BoogieIcfgContainer [2019-08-09 16:51:31,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:51:31,110 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:51:31,110 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:51:31,110 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:51:31,111 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:51:31" (1/1) ... [2019-08-09 16:51:32,002 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:51:32,011 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:51:32,014 INFO L168 Benchmark]: Toolchain (without parser) took 3064.30 ms. Allocated memory was 133.2 MB in the beginning and 268.4 MB in the end (delta: 135.3 MB). Free memory was 87.4 MB in the beginning and 187.9 MB in the end (delta: -100.5 MB). Peak memory consumption was 112.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:32,016 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:51:32,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.88 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 87.2 MB in the beginning and 166.9 MB in the end (delta: -79.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:32,019 INFO L168 Benchmark]: Boogie Preprocessor took 100.87 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 161.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:32,021 INFO L168 Benchmark]: RCFGBuilder took 1269.68 ms. Allocated memory was 201.9 MB in the beginning and 226.5 MB in the end (delta: 24.6 MB). Free memory was 161.6 MB in the beginning and 180.1 MB in the end (delta: -18.5 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:32,022 INFO L168 Benchmark]: Symbolic Interpretation took 901.44 ms. Allocated memory was 226.5 MB in the beginning and 268.4 MB in the end (delta: 41.9 MB). Free memory was 180.1 MB in the beginning and 187.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:32,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 415]: 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 10556#(and (not (= ~a19~0 1)) (or (not (= ~a21~0 1)) (not (= ~a19~0 1)) (and (or (not (= ~a25~0 1)) (not (= ~a28~0 9))) (or (not (= ~a28~0 8)) (= ~a25~0 1))) (not (= ~a17~0 8)) (= ~a11~0 1) (not (= 3 calculate_output_~input))) (not (= ~a25~0 1)) (= ~a17~0 8) (= ~a28~0 7) (= ~a11~0 1) (= ~a21~0 1)). 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 133.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.88 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 87.2 MB in the beginning and 166.9 MB in the end (delta: -79.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.87 ms. Allocated memory is still 201.9 MB. Free memory was 166.9 MB in the beginning and 161.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1269.68 ms. Allocated memory was 201.9 MB in the beginning and 226.5 MB in the end (delta: 24.6 MB). Free memory was 161.6 MB in the beginning and 180.1 MB in the end (delta: -18.5 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 901.44 ms. Allocated memory was 226.5 MB in the beginning and 268.4 MB in the end (delta: 41.9 MB). Free memory was 180.1 MB in the beginning and 187.9 MB in the end (delta: -7.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...