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/Problem10_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:35:24,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:35:24,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:35:24,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:35:24,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:35:24,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:35:24,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:35:24,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:35:24,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:35:24,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:35:24,090 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:35:24,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:35:24,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:35:24,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:35:24,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:35:24,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:35:24,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:35:24,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:35:24,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:35:24,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:35:24,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:35:24,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:35:24,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:35:24,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:35:24,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:35:24,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:35:24,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:35:24,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:35:24,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:35:24,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:35:24,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:35:24,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:35:24,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:35:24,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:35:24,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:35:24,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:35:24,118 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 17:35:24,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:35:24,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:35:24,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:35:24,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:35:24,135 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:35:24,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:35:24,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:35:24,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:35:24,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:35:24,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:35:24,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:35:24,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:35:24,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:35:24,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:35:24,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:35:24,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:35:24,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:35:24,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:35:24,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:35:24,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:35:24,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:35:24,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:35:24,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:35:24,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:35:24,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:35:24,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:35:24,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:35:24,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:35:24,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:35:24,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:35:24,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:35:24,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:35:24,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:35:24,189 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:35:24,190 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label00.c [2019-08-09 17:35:24,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e612dfb03/64d1ae86adcf4a71aa8938337d2f0496/FLAG5c5671214 [2019-08-09 17:35:24,818 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:35:24,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label00.c [2019-08-09 17:35:24,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e612dfb03/64d1ae86adcf4a71aa8938337d2f0496/FLAG5c5671214 [2019-08-09 17:35:25,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e612dfb03/64d1ae86adcf4a71aa8938337d2f0496 [2019-08-09 17:35:25,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:35:25,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:35:25,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:35:25,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:35:25,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:35:25,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:25,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3987bd44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25, skipping insertion in model container [2019-08-09 17:35:25,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:25,141 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:35:25,208 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:35:25,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:35:25,801 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:35:25,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:35:25,991 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:35:25,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25 WrapperNode [2019-08-09 17:35:25,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:35:25,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:35:25,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:35:25,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:35:26,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:26,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:26,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:26,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:26,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:26,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:26,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (1/1) ... [2019-08-09 17:35:26,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:35:26,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:35:26,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:35:26,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:35:26,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:35:25" (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 17:35:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:35:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:35:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:35:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:35:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:35:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:35:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:35:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:35:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:35:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:35:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:35:27,451 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:35:27,451 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:35:27,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:35:27 BoogieIcfgContainer [2019-08-09 17:35:27,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:35:27,453 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:35:27,454 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:35:27,454 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:35:27,455 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:35:27" (1/1) ... [2019-08-09 17:35:46,608 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:35:46,616 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:35:46,622 INFO L168 Benchmark]: Toolchain (without parser) took 21494.08 ms. Allocated memory was 134.2 MB in the beginning and 1.0 GB in the end (delta: 889.2 MB). Free memory was 87.2 MB in the beginning and 168.3 MB in the end (delta: -81.2 MB). Peak memory consumption was 950.8 MB. Max. memory is 7.1 GB. [2019-08-09 17:35:46,624 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 134.2 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 17:35:46,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.80 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 86.9 MB in the beginning and 168.5 MB in the end (delta: -81.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2019-08-09 17:35:46,626 INFO L168 Benchmark]: Boogie Preprocessor took 116.48 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-09 17:35:46,629 INFO L168 Benchmark]: RCFGBuilder took 1343.41 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 164.0 MB in the beginning and 183.2 MB in the end (delta: -19.3 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-08-09 17:35:46,630 INFO L168 Benchmark]: Symbolic Interpretation took 19163.34 ms. Allocated memory was 231.2 MB in the beginning and 1.0 GB in the end (delta: 792.2 MB). Free memory was 183.2 MB in the beginning and 168.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 949.8 MB. Max. memory is 7.1 GB. [2019-08-09 17:35:46,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 145]: 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 166072#(and (<= ~a1~0 38) (= 14 ~a4~0) (= ~a19~0 6) (= ~a10~0 0) (= ~a12~0 0) (< 0 (+ ~a1~0 13))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 134.2 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 866.80 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 86.9 MB in the beginning and 168.5 MB in the end (delta: -81.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.48 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1343.41 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 164.0 MB in the beginning and 183.2 MB in the end (delta: -19.3 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 19163.34 ms. Allocated memory was 231.2 MB in the beginning and 1.0 GB in the end (delta: 792.2 MB). Free memory was 183.2 MB in the beginning and 168.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 949.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...