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_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:50:43,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:50:43,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:50:43,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:50:43,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:50:43,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:50:43,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:50:43,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:50:43,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:50:43,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:50:43,973 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:50:43,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:50:43,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:50:43,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:50:43,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:50:43,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:50:43,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:50:43,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:50:43,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:50:43,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:50:43,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:50:43,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:50:43,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:50:43,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:50:43,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:50:43,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:50:43,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:50:43,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:50:43,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:50:43,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:50:43,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:50:43,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:50:43,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:50:43,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:50:43,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:50:43,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:50:43,999 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 16:50:44,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:50:44,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:50:44,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:50:44,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:50:44,025 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:50:44,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:50:44,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:50:44,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:50:44,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:50:44,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:50:44,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:50:44,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:50:44,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:50:44,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:50:44,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:50:44,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:50:44,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:50:44,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:50:44,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:50:44,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:50:44,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:50:44,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:50:44,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:50:44,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:50:44,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:50:44,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:50:44,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:50:44,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:50:44,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:50:44,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:50:44,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:50:44,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:50:44,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:50:44,081 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:50:44,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label24.c [2019-08-09 16:50:44,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519653de2/60e22e6c06674a759b12c943705e6d02/FLAG558e031fd [2019-08-09 16:50:44,724 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:50:44,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label24.c [2019-08-09 16:50:44,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519653de2/60e22e6c06674a759b12c943705e6d02/FLAG558e031fd [2019-08-09 16:50:44,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519653de2/60e22e6c06674a759b12c943705e6d02 [2019-08-09 16:50:44,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:50:44,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:50:44,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:50:44,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:50:44,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:50:44,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:50:44" (1/1) ... [2019-08-09 16:50:44,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1912d258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:44, skipping insertion in model container [2019-08-09 16:50:44,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:50:44" (1/1) ... [2019-08-09 16:50:45,004 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:50:45,069 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:50:45,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:50:45,552 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:50:45,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:50:45,727 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:50:45,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45 WrapperNode [2019-08-09 16:50:45,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:50:45,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:50:45,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:50:45,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:50:45,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (1/1) ... [2019-08-09 16:50:45,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (1/1) ... [2019-08-09 16:50:45,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (1/1) ... [2019-08-09 16:50:45,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (1/1) ... [2019-08-09 16:50:45,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (1/1) ... [2019-08-09 16:50:45,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (1/1) ... [2019-08-09 16:50:45,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (1/1) ... [2019-08-09 16:50:45,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:50:45,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:50:45,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:50:45,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:50:45,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:45" (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 16:50:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:50:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:50:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:50:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:50:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:50:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:50:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:50:47,085 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:50:47,086 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:50:47,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:50:47 BoogieIcfgContainer [2019-08-09 16:50:47,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:50:47,088 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:50:47,088 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:50:47,088 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:50:47,089 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:50:47" (1/1) ... [2019-08-09 16:50:48,082 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:50:48,090 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:50:48,094 INFO L168 Benchmark]: Toolchain (without parser) took 3107.21 ms. Allocated memory was 133.2 MB in the beginning and 267.4 MB in the end (delta: 134.2 MB). Free memory was 87.9 MB in the beginning and 127.5 MB in the end (delta: -39.7 MB). Peak memory consumption was 113.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:48,096 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-08-09 16:50:48,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.40 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.7 MB in the beginning and 168.3 MB in the end (delta: -80.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:48,098 INFO L168 Benchmark]: Boogie Preprocessor took 95.74 ms. Allocated memory is still 203.4 MB. Free memory was 168.3 MB in the beginning and 163.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:48,101 INFO L168 Benchmark]: RCFGBuilder took 1262.48 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 163.6 MB in the beginning and 181.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:48,102 INFO L168 Benchmark]: Symbolic Interpretation took 1002.78 ms. Allocated memory was 228.1 MB in the beginning and 267.4 MB in the end (delta: 39.3 MB). Free memory was 181.7 MB in the beginning and 127.5 MB in the end (delta: 54.1 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:48,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 514]: 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 15388#(and (= ~a28~0 9) (= ~a17~0 7) (not (= ~a25~0 1)) (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.40 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.7 MB in the beginning and 168.3 MB in the end (delta: -80.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.74 ms. Allocated memory is still 203.4 MB. Free memory was 168.3 MB in the beginning and 163.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.48 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 163.6 MB in the beginning and 181.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1002.78 ms. Allocated memory was 228.1 MB in the beginning and 267.4 MB in the end (delta: 39.3 MB). Free memory was 181.7 MB in the beginning and 127.5 MB in the end (delta: 54.1 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...