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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:01,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:01,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:01,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:01,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:01,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:01,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:01,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:01,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:01,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:01,108 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:01,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:01,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:01,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:01,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:01,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:01,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:01,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:01,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:01,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:01,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:01,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:01,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:01,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:01,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:01,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:59:01,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:59:01,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:59:01,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:59:01,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:59:01,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:59:01,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:59:01,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:59:01,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:01,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:01,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:01,136 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 09:59:01,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:01,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:01,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:01,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:01,153 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:01,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:01,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:01,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:01,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:01,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:01,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:01,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:01,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:01,155 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:01,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:01,155 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:01,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:01,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:01,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:01,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:01,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:01,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:01,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:01,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:01,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:01,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:01,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:01,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:01,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:01,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:01,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:01,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:01,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:01,207 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:01,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2019-08-08 09:59:01,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506dd2249/a1e4940ad74f443696e64f9d6557148e/FLAG85bdfe6e1 [2019-08-08 09:59:01,778 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:01,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2019-08-08 09:59:01,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506dd2249/a1e4940ad74f443696e64f9d6557148e/FLAG85bdfe6e1 [2019-08-08 09:59:02,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506dd2249/a1e4940ad74f443696e64f9d6557148e [2019-08-08 09:59:02,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:02,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:02,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:02,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:02,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:02,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a699a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02, skipping insertion in model container [2019-08-08 09:59:02,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,118 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:02,178 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:02,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:02,727 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:02,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:02,875 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:02,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02 WrapperNode [2019-08-08 09:59:02,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:02,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:02,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:02,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:02,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:02,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:02,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:02,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:02,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (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 09:59:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:05,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:05,882 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:05,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:05 BoogieIcfgContainer [2019-08-08 09:59:05,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:05,884 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:05,884 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:05,884 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:05,886 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:05" (1/1) ... [2019-08-08 09:59:05,899 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:05,902 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:05,911 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:05,920 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:05,923 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:05,991 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:07,697 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:07,987 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:07,989 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:07,992 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 31086#(and (= 1 ~a7~0) (= ~a16~0 4) (= ~a12~0 8) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1) (= 14 ~a8~0)) [2019-08-08 09:59:07,993 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:08,000 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:08,003 INFO L168 Benchmark]: Toolchain (without parser) took 5900.89 ms. Allocated memory was 137.4 MB in the beginning and 357.0 MB in the end (delta: 219.7 MB). Free memory was 81.3 MB in the beginning and 254.7 MB in the end (delta: -173.4 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:08,005 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 09:59:08,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.04 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 81.1 MB in the beginning and 167.2 MB in the end (delta: -86.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:08,010 INFO L168 Benchmark]: Boogie Preprocessor took 102.51 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 161.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:08,012 INFO L168 Benchmark]: RCFGBuilder took 2904.38 ms. Allocated memory was 201.9 MB in the beginning and 220.7 MB in the end (delta: 18.9 MB). Free memory was 161.7 MB in the beginning and 179.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 96.5 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:08,014 INFO L168 Benchmark]: Symbolic Interpretation took 2116.88 ms. Allocated memory was 220.7 MB in the beginning and 357.0 MB in the end (delta: 136.3 MB). Free memory was 179.5 MB in the beginning and 254.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 164.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:08,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 503]: 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 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.04 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 81.1 MB in the beginning and 167.2 MB in the end (delta: -86.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.51 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 161.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2904.38 ms. Allocated memory was 201.9 MB in the beginning and 220.7 MB in the end (delta: 18.9 MB). Free memory was 161.7 MB in the beginning and 179.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 96.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2116.88 ms. Allocated memory was 220.7 MB in the beginning and 357.0 MB in the end (delta: 136.3 MB). Free memory was 179.5 MB in the beginning and 254.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 164.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...