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/Problem03_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:53:17,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:53:17,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:53:17,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:53:17,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:53:17,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:53:17,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:53:17,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:53:17,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:53:17,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:53:17,100 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:53:17,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:53:17,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:53:17,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:53:17,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:53:17,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:53:17,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:53:17,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:53:17,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:53:17,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:53:17,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:53:17,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:53:17,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:53:17,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:53:17,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:53:17,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:53:17,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:53:17,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:53:17,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:53:17,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:53:17,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:53:17,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:53:17,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:53:17,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:53:17,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:53:17,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:53:17,142 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 16:53:17,177 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:53:17,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:53:17,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:53:17,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:53:17,183 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:53:17,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:53:17,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:53:17,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:53:17,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:53:17,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:53:17,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:53:17,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:53:17,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:53:17,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:53:17,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:53:17,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:53:17,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:53:17,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:53:17,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:53:17,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:53:17,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:53:17,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:53:17,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:53:17,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:53:17,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:53:17,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:53:17,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:53:17,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:53:17,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:53:17,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:53:17,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:53:17,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:53:17,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:53:17,265 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:53:17,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label48.c [2019-08-09 16:53:17,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb5fa59a/dcaf3e9f3d5447fca2e944d41dd2c411/FLAGb2afd1140 [2019-08-09 16:53:18,020 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:53:18,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label48.c [2019-08-09 16:53:18,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb5fa59a/dcaf3e9f3d5447fca2e944d41dd2c411/FLAGb2afd1140 [2019-08-09 16:53:18,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb5fa59a/dcaf3e9f3d5447fca2e944d41dd2c411 [2019-08-09 16:53:18,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:53:18,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:53:18,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:18,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:53:18,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:53:18,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:18" (1/1) ... [2019-08-09 16:53:18,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5151a31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:18, skipping insertion in model container [2019-08-09 16:53:18,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:18" (1/1) ... [2019-08-09 16:53:18,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:53:18,319 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:53:19,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:19,229 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:53:19,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:19,575 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:53:19,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19 WrapperNode [2019-08-09 16:53:19,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:19,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:53:19,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:53:19,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:53:19,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (1/1) ... [2019-08-09 16:53:19,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (1/1) ... [2019-08-09 16:53:19,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (1/1) ... [2019-08-09 16:53:19,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (1/1) ... [2019-08-09 16:53:19,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (1/1) ... [2019-08-09 16:53:19,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (1/1) ... [2019-08-09 16:53:19,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (1/1) ... [2019-08-09 16:53:19,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:53:19,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:53:19,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:53:19,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:53:19,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:19" (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 16:53:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:53:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:53:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:53:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:53:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:53:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:53:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:53:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:53:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:53:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:53:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:53:21,953 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:53:21,953 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:53:21,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:21 BoogieIcfgContainer [2019-08-09 16:53:21,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:53:21,956 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:53:21,956 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:53:21,956 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:53:21,957 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:21" (1/1) ... [2019-08-09 16:53:26,204 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:53:26,214 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:53:26,217 INFO L168 Benchmark]: Toolchain (without parser) took 8000.40 ms. Allocated memory was 138.9 MB in the beginning and 446.7 MB in the end (delta: 307.8 MB). Free memory was 80.5 MB in the beginning and 101.3 MB in the end (delta: -20.8 MB). Peak memory consumption was 295.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:26,219 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:53:26,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.20 ms. Allocated memory was 138.9 MB in the beginning and 220.7 MB in the end (delta: 81.8 MB). Free memory was 80.3 MB in the beginning and 168.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:26,222 INFO L168 Benchmark]: Boogie Preprocessor took 223.70 ms. Allocated memory is still 220.7 MB. Free memory was 168.2 MB in the beginning and 157.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:26,224 INFO L168 Benchmark]: RCFGBuilder took 2153.60 ms. Allocated memory was 220.7 MB in the beginning and 281.5 MB in the end (delta: 60.8 MB). Free memory was 157.0 MB in the beginning and 83.1 MB in the end (delta: 73.9 MB). Peak memory consumption was 134.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:26,225 INFO L168 Benchmark]: Symbolic Interpretation took 4258.33 ms. Allocated memory was 281.5 MB in the beginning and 446.7 MB in the end (delta: 165.2 MB). Free memory was 83.1 MB in the beginning and 101.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 155.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:26,236 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1584]: 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 64211#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a3~0) (= ~a27~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (= ~a12~0 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 138.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1361.20 ms. Allocated memory was 138.9 MB in the beginning and 220.7 MB in the end (delta: 81.8 MB). Free memory was 80.3 MB in the beginning and 168.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 223.70 ms. Allocated memory is still 220.7 MB. Free memory was 168.2 MB in the beginning and 157.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2153.60 ms. Allocated memory was 220.7 MB in the beginning and 281.5 MB in the end (delta: 60.8 MB). Free memory was 157.0 MB in the beginning and 83.1 MB in the end (delta: 73.9 MB). Peak memory consumption was 134.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4258.33 ms. Allocated memory was 281.5 MB in the beginning and 446.7 MB in the end (delta: 165.2 MB). Free memory was 83.1 MB in the beginning and 101.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 155.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...