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/Problem18_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:07:03,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:07:03,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:07:03,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:07:03,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:07:03,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:07:03,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:07:03,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:07:03,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:07:03,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:07:03,792 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:07:03,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:07:03,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:07:03,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:07:03,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:07:03,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:07:03,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:07:03,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:07:03,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:07:03,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:07:03,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:07:03,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:07:03,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:07:03,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:07:03,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:07:03,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:07:03,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:07:03,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:07:03,820 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 11:07:03,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:07:03,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:07:03,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:07:03,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:07:03,839 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:07:03,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:07:03,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:07:03,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:07:03,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:07:03,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:07:03,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:07:03,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:07:03,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:07:03,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:07:03,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:07:03,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:07:03,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:07:03,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:07:03,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:07:03,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:07:03,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:07:03,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:07:03,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:07:03,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:07:03,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:07:03,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:07:03,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:07:03,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:07:03,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:07:03,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:07:03,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:07:03,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:07:03,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:07:03,896 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:07:03,896 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label34.c [2019-08-08 11:07:03,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7573eb84/f3ce2ce10aee463dad5a70bf85b4af8b/FLAG01b8896f3 [2019-08-08 11:07:04,696 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:07:04,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label34.c [2019-08-08 11:07:04,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7573eb84/f3ce2ce10aee463dad5a70bf85b4af8b/FLAG01b8896f3 [2019-08-08 11:07:04,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7573eb84/f3ce2ce10aee463dad5a70bf85b4af8b [2019-08-08 11:07:04,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:07:04,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:07:04,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:07:04,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:07:04,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:07:04,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:07:04" (1/1) ... [2019-08-08 11:07:04,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c47dba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:04, skipping insertion in model container [2019-08-08 11:07:04,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:07:04" (1/1) ... [2019-08-08 11:07:04,801 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:07:04,935 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:07:06,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:07:06,248 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:07:06,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:07:06,703 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:07:06,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06 WrapperNode [2019-08-08 11:07:06,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:07:06,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:07:06,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:07:06,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:07:06,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (1/1) ... [2019-08-08 11:07:06,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (1/1) ... [2019-08-08 11:07:06,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (1/1) ... [2019-08-08 11:07:06,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (1/1) ... [2019-08-08 11:07:06,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (1/1) ... [2019-08-08 11:07:06,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (1/1) ... [2019-08-08 11:07:06,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (1/1) ... [2019-08-08 11:07:07,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:07:07,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:07:07,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:07:07,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:07:07,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:07:06" (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 11:07:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:07:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:07:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:07:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:07:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-08 11:07:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:07:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:07:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:07:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-08 11:07:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:07:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:07:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:07:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:07:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:07:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:07:15,032 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:07:15,032 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:07:15,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:07:15 BoogieIcfgContainer [2019-08-08 11:07:15,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:07:15,035 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:07:15,035 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:07:15,035 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:07:15,036 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:07:15" (1/1) ... [2019-08-08 11:07:15,048 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:07:15,051 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:07:15,064 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:07:15,072 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:07:15,073 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:07:15,121 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 37 [2019-08-08 11:07:49,170 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:07:49,206 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:07:49,206 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:07:49,209 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 979471#(and (< 417 ~a3~0) (= ~a15~0 4) (or (not (<= ~a3~0 115)) (not (= ~a18~0 9)) (not (= ~a15~0 4)) (not (= ~a24~0 1))) (= ~a24~0 1) (= |calculate_output_#in~input| calculate_output_~input) (= ~a24~0 |old(~a24~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a18~0 8) (= ~a3~0 |old(~a3~0)|)) [2019-08-08 11:07:49,210 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:07:49,217 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:07:49,220 INFO L168 Benchmark]: Toolchain (without parser) took 44436.29 ms. Allocated memory was 132.6 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 78.8 MB in the beginning and 546.8 MB in the end (delta: -468.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-08 11:07:49,221 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:07:49,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1919.34 ms. Allocated memory was 132.6 MB in the beginning and 236.5 MB in the end (delta: 103.8 MB). Free memory was 78.6 MB in the beginning and 148.3 MB in the end (delta: -69.7 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:07:49,223 INFO L168 Benchmark]: Boogie Preprocessor took 301.91 ms. Allocated memory is still 236.5 MB. Free memory was 148.3 MB in the beginning and 127.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:07:49,224 INFO L168 Benchmark]: RCFGBuilder took 8023.58 ms. Allocated memory was 236.5 MB in the beginning and 358.1 MB in the end (delta: 121.6 MB). Free memory was 127.8 MB in the beginning and 187.9 MB in the end (delta: -60.1 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:07:49,225 INFO L168 Benchmark]: Symbolic Interpretation took 34182.97 ms. Allocated memory was 358.1 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 187.7 MB in the beginning and 546.8 MB in the end (delta: -359.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-08 11:07:49,230 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 30]: 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 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1919.34 ms. Allocated memory was 132.6 MB in the beginning and 236.5 MB in the end (delta: 103.8 MB). Free memory was 78.6 MB in the beginning and 148.3 MB in the end (delta: -69.7 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 301.91 ms. Allocated memory is still 236.5 MB. Free memory was 148.3 MB in the beginning and 127.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8023.58 ms. Allocated memory was 236.5 MB in the beginning and 358.1 MB in the end (delta: 121.6 MB). Free memory was 127.8 MB in the beginning and 187.9 MB in the end (delta: -60.1 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 34182.97 ms. Allocated memory was 358.1 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 187.7 MB in the beginning and 546.8 MB in the end (delta: -359.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...