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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:47:27,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:47:27,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:47:27,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:47:27,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:47:27,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:47:27,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:47:27,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:47:27,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:47:27,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:47:27,071 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:47:27,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:47:27,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:47:27,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:47:27,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:47:27,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:47:27,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:47:27,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:47:27,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:47:27,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:47:27,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:47:27,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:47:27,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:47:27,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:47:27,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:47:27,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:47:27,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:47:27,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:47:27,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:47:27,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:47:27,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:47:27,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:47:27,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:47:27,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:47:27,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:47:27,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:47:27,103 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 16:47:27,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:47:27,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:47:27,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:47:27,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:47:27,137 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:47:27,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:47:27,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:47:27,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:47:27,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:47:27,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:47:27,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:47:27,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:47:27,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:47:27,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:47:27,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:47:27,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:47:27,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:47:27,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:47:27,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:47:27,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:47:27,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:47:27,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:47:27,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:47:27,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:47:27,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:47:27,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:47:27,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:47:27,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:47:27,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:47:27,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:47:27,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:47:27,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:47:27,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:47:27,206 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:47:27,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2019-08-09 16:47:27,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f845f80fc/effb69024a254b76bdb108cc1b8c2b60/FLAG609c81e44 [2019-08-09 16:47:27,884 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:47:27,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2019-08-09 16:47:27,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f845f80fc/effb69024a254b76bdb108cc1b8c2b60/FLAG609c81e44 [2019-08-09 16:47:28,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f845f80fc/effb69024a254b76bdb108cc1b8c2b60 [2019-08-09 16:47:28,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:47:28,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:47:28,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:28,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:47:28,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:47:28,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5095ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28, skipping insertion in model container [2019-08-09 16:47:28,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,168 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:47:28,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:47:28,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:28,747 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:47:28,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:28,893 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:47:28,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28 WrapperNode [2019-08-09 16:47:28,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:28,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:47:28,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:47:28,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:47:28,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (1/1) ... [2019-08-09 16:47:28,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:47:28,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:47:28,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:47:28,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:47:28,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:28" (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 16:47:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:47:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:47:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:47:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:47:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:47:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:47:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:47:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:47:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:47:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:47:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:47:30,209 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:47:30,209 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:47:30,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:47:30 BoogieIcfgContainer [2019-08-09 16:47:30,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:47:30,211 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:47:30,213 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:47:30,213 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:47:30,214 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:47:30" (1/1) ... [2019-08-09 16:47:31,958 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:47:31,966 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:47:31,970 INFO L168 Benchmark]: Toolchain (without parser) took 3816.84 ms. Allocated memory was 133.2 MB in the beginning and 269.0 MB in the end (delta: 135.8 MB). Free memory was 87.3 MB in the beginning and 112.3 MB in the end (delta: -25.0 MB). Peak memory consumption was 143.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:31,972 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:47:31,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.67 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.1 MB in the beginning and 168.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:31,975 INFO L168 Benchmark]: Boogie Preprocessor took 95.36 ms. Allocated memory is still 203.4 MB. Free memory was 168.3 MB in the beginning and 162.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:31,977 INFO L168 Benchmark]: RCFGBuilder took 1220.99 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 162.9 MB in the beginning and 180.8 MB in the end (delta: -17.9 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:31,978 INFO L168 Benchmark]: Symbolic Interpretation took 1755.32 ms. Allocated memory was 227.5 MB in the beginning and 269.0 MB in the end (delta: 41.4 MB). Free memory was 179.4 MB in the beginning and 112.3 MB in the end (delta: 67.2 MB). Peak memory consumption was 140.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:31,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 446]: 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 27078#(and (= 1 ~a7~0) (= 13 ~a8~0) (= ~a16~0 4) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (not (= ~a17~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.67 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.1 MB in the beginning and 168.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.36 ms. Allocated memory is still 203.4 MB. Free memory was 168.3 MB in the beginning and 162.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.99 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 162.9 MB in the beginning and 180.8 MB in the end (delta: -17.9 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1755.32 ms. Allocated memory was 227.5 MB in the beginning and 269.0 MB in the end (delta: 41.4 MB). Free memory was 179.4 MB in the beginning and 112.3 MB in the end (delta: 67.2 MB). Peak memory consumption was 140.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...