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/Problem14_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:54:39,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:54:39,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:54:39,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:54:39,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:54:39,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:54:39,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:54:39,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:54:39,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:54:39,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:54:39,940 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:54:39,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:54:39,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:54:39,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:54:39,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:54:39,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:54:39,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:54:39,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:54:39,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:54:39,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:54:39,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:54:39,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:54:39,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:54:39,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:54:39,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:54:39,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:54:39,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:54:39,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:54:39,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:54:39,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:54:39,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:54:39,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:54:39,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:54:39,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:54:39,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:54:39,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:54:39,986 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 [2019-08-14 14:54:40,007 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:54:40,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:54:40,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:54:40,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:54:40,010 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:54:40,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:54:40,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:54:40,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:54:40,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:54:40,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:54:40,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:54:40,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:54:40,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:54:40,013 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:54:40,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:54:40,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:54:40,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:54:40,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:54:40,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:54:40,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:54:40,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:54:40,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:54:40,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:54:40,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:54:40,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:54:40,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:54:40,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:54:40,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:54:40,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:54:40,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:54:40,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:54:40,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:54:40,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:54:40,073 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:54:40,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label51.c [2019-08-14 14:54:40,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6ef15cc/5801462a028a4848b5ac84e5b18a0d36/FLAGa8ab3eee6 [2019-08-14 14:54:40,670 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:54:40,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label51.c [2019-08-14 14:54:40,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6ef15cc/5801462a028a4848b5ac84e5b18a0d36/FLAGa8ab3eee6 [2019-08-14 14:54:40,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6ef15cc/5801462a028a4848b5ac84e5b18a0d36 [2019-08-14 14:54:40,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:54:40,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:54:40,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:54:40,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:54:40,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:54:40,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:54:40" (1/1) ... [2019-08-14 14:54:40,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4516f221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:40, skipping insertion in model container [2019-08-14 14:54:41,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:54:40" (1/1) ... [2019-08-14 14:54:41,007 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:54:41,067 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:54:41,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:54:41,617 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:54:41,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:54:41,811 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:54:41,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41 WrapperNode [2019-08-14 14:54:41,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:54:41,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:54:41,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:54:41,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:54:41,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (1/1) ... [2019-08-14 14:54:41,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (1/1) ... [2019-08-14 14:54:41,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (1/1) ... [2019-08-14 14:54:41,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (1/1) ... [2019-08-14 14:54:41,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (1/1) ... [2019-08-14 14:54:41,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (1/1) ... [2019-08-14 14:54:41,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (1/1) ... [2019-08-14 14:54:41,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:54:41,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:54:41,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:54:41,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:54:41,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:54:41" (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 [2019-08-14 14:54:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:54:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:54:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:54:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:54:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:54:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:54:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:54:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:54:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:54:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:54:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:54:43,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:54:43,779 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:54:43,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:54:43 BoogieIcfgContainer [2019-08-14 14:54:43,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:54:43,785 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:54:43,785 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:54:43,785 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:54:43,786 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:54:43" (1/1) ... [2019-08-14 14:54:59,511 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:54:59,515 INFO L168 Benchmark]: Toolchain (without parser) took 18522.16 ms. Allocated memory was 135.3 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 84.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 14:54:59,516 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 14:54:59,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.01 ms. Allocated memory was 135.3 MB in the beginning and 204.5 MB in the end (delta: 69.2 MB). Free memory was 83.8 MB in the beginning and 165.3 MB in the end (delta: -81.5 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2019-08-14 14:54:59,518 INFO L168 Benchmark]: Boogie Preprocessor took 181.96 ms. Allocated memory is still 204.5 MB. Free memory was 165.3 MB in the beginning and 160.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-14 14:54:59,520 INFO L168 Benchmark]: RCFGBuilder took 1789.63 ms. Allocated memory was 204.5 MB in the beginning and 229.1 MB in the end (delta: 24.6 MB). Free memory was 160.0 MB in the beginning and 157.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2019-08-14 14:54:59,521 INFO L168 Benchmark]: Symbolic Interpretation took 15726.71 ms. Allocated memory was 229.1 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 157.4 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-14 14:54:59,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 109]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 411051#(and (<= ~a12~0 80) (= ~a15~0 7) (< 11 ~a12~0) (= ~a24~0 1) (= ~a21~0 8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.01 ms. Allocated memory was 135.3 MB in the beginning and 204.5 MB in the end (delta: 69.2 MB). Free memory was 83.8 MB in the beginning and 165.3 MB in the end (delta: -81.5 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 181.96 ms. Allocated memory is still 204.5 MB. Free memory was 165.3 MB in the beginning and 160.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1789.63 ms. Allocated memory was 204.5 MB in the beginning and 229.1 MB in the end (delta: 24.6 MB). Free memory was 160.0 MB in the beginning and 157.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15726.71 ms. Allocated memory was 229.1 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 157.4 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...