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_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:02:46,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:02:46,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:02:46,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:02:46,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:02:46,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:02:46,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:02:46,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:02:46,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:02:46,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:02:46,969 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:02:46,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:02:46,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:02:46,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:02:46,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:02:46,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:02:46,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:02:46,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:02:46,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:02:46,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:02:46,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:02:46,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:02:46,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:02:46,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:02:46,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:02:46,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:02:46,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:02:46,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:02:46,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:02:46,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:02:46,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:02:46,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:02:46,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:02:46,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:02:46,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:02:46,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:02:46,999 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 [2019-08-14 11:02:47,019 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:02:47,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:02:47,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:02:47,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:02:47,022 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:02:47,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:02:47,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:02:47,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:02:47,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:02:47,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:02:47,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:02:47,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:02:47,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:02:47,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:02:47,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:02:47,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:02:47,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:02:47,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:02:47,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:02:47,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:02:47,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:02:47,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:02:47,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:02:47,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:02:47,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:02:47,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:02:47,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:02:47,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:02:47,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:02:47,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:02:47,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:02:47,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:02:47,099 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:02:47,099 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:02:47,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2019-08-14 11:02:47,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74c59371/8ae11f1e63ca45d5b2116c78bb6cc0f3/FLAG478e63aa1 [2019-08-14 11:02:47,754 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:02:47,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2019-08-14 11:02:47,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74c59371/8ae11f1e63ca45d5b2116c78bb6cc0f3/FLAG478e63aa1 [2019-08-14 11:02:47,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74c59371/8ae11f1e63ca45d5b2116c78bb6cc0f3 [2019-08-14 11:02:47,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:02:47,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:02:47,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:47,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:02:47,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:02:47,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:47" (1/1) ... [2019-08-14 11:02:47,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8bbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:47, skipping insertion in model container [2019-08-14 11:02:47,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:47" (1/1) ... [2019-08-14 11:02:48,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:02:48,046 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:02:48,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:48,425 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:02:48,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:48,736 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:02:48,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48 WrapperNode [2019-08-14 11:02:48,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:48,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:02:48,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:02:48,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:02:48,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (1/1) ... [2019-08-14 11:02:48,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (1/1) ... [2019-08-14 11:02:48,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (1/1) ... [2019-08-14 11:02:48,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (1/1) ... [2019-08-14 11:02:48,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (1/1) ... [2019-08-14 11:02:48,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (1/1) ... [2019-08-14 11:02:48,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (1/1) ... [2019-08-14 11:02:48,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:02:48,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:02:48,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:02:48,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:02:48,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:48" (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 11:02:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:02:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:02:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:02:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:02:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:02:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:02:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:02:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:02:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:02:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:02:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:02:50,214 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:02:50,214 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:02:50,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:50 BoogieIcfgContainer [2019-08-14 11:02:50,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:02:50,217 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:02:50,217 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:02:50,217 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:02:50,218 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:50" (1/1) ... [2019-08-14 11:02:51,467 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:02:51,470 INFO L168 Benchmark]: Toolchain (without parser) took 3484.50 ms. Allocated memory was 132.6 MB in the beginning and 269.0 MB in the end (delta: 136.3 MB). Free memory was 86.7 MB in the beginning and 162.3 MB in the end (delta: -75.5 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:51,471 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:02:51,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.18 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 86.5 MB in the beginning and 168.8 MB in the end (delta: -82.3 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:51,473 INFO L168 Benchmark]: Boogie Preprocessor took 141.21 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 164.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:51,474 INFO L168 Benchmark]: RCFGBuilder took 1336.58 ms. Allocated memory was 203.4 MB in the beginning and 227.0 MB in the end (delta: 23.6 MB). Free memory was 164.1 MB in the beginning and 182.1 MB in the end (delta: -18.0 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:51,475 INFO L168 Benchmark]: Symbolic Interpretation took 1250.26 ms. Allocated memory was 227.0 MB in the beginning and 269.0 MB in the end (delta: 41.9 MB). Free memory was 182.1 MB in the beginning and 162.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:51,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 541]: 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 12601#(and (not (= ~a19~0 1)) (= ~a28~0 10) (not (= ~a25~0 1)) (= ~a17~0 8) (= ~a21~0 1) (= ~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 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.18 ms. Allocated memory was 132.6 MB in the beginning and 203.4 MB in the end (delta: 70.8 MB). Free memory was 86.5 MB in the beginning and 168.8 MB in the end (delta: -82.3 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.21 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 164.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1336.58 ms. Allocated memory was 203.4 MB in the beginning and 227.0 MB in the end (delta: 23.6 MB). Free memory was 164.1 MB in the beginning and 182.1 MB in the end (delta: -18.0 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1250.26 ms. Allocated memory was 227.0 MB in the beginning and 269.0 MB in the end (delta: 41.9 MB). Free memory was 182.1 MB in the beginning and 162.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...