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/Problem18_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:08:47,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:08:47,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:08:47,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:08:47,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:08:47,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:08:47,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:08:47,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:08:47,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:08:47,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:08:47,905 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:08:47,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:08:47,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:08:47,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:08:47,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:08:47,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:08:47,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:08:47,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:08:47,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:08:47,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:08:47,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:08:47,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:08:47,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:08:47,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:08:47,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:08:47,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:08:47,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:08:47,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:08:47,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:08:47,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:08:47,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:08:47,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:08:47,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:08:47,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:08:47,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:08:47,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:08:47,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:08:47,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:08:47,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:08:47,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:08:47,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:08:47,949 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 18:08:47,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:08:47,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:08:47,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:08:47,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:08:47,965 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:08:47,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:08:47,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:08:47,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:08:47,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:08:47,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:08:47,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:08:47,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:08:47,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:08:47,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:08:47,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:08:47,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:08:47,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:08:47,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:08:47,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:08:47,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:08:47,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:08:47,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:08:47,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:08:47,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:08:47,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:08:47,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:08:47,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:08:47,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:08:47,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:08:48,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:08:48,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:08:48,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:08:48,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:08:48,042 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:08:48,043 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label52.c [2019-08-14 18:08:48,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/763ead7ef/728369c8d3e448fb8bfa3f8f5332a238/FLAG87c9254e4 [2019-08-14 18:08:48,846 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:08:48,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label52.c [2019-08-14 18:08:48,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/763ead7ef/728369c8d3e448fb8bfa3f8f5332a238/FLAG87c9254e4 [2019-08-14 18:08:48,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/763ead7ef/728369c8d3e448fb8bfa3f8f5332a238 [2019-08-14 18:08:48,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:08:48,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:08:48,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:08:48,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:08:48,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:08:48,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:08:48" (1/1) ... [2019-08-14 18:08:49,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350f7671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:49, skipping insertion in model container [2019-08-14 18:08:49,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:08:48" (1/1) ... [2019-08-14 18:08:49,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:08:49,139 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:08:50,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:08:50,542 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:08:51,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:08:51,158 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:08:51,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51 WrapperNode [2019-08-14 18:08:51,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:08:51,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:08:51,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:08:51,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:08:51,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (1/1) ... [2019-08-14 18:08:51,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (1/1) ... [2019-08-14 18:08:51,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (1/1) ... [2019-08-14 18:08:51,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (1/1) ... [2019-08-14 18:08:51,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (1/1) ... [2019-08-14 18:08:51,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (1/1) ... [2019-08-14 18:08:51,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (1/1) ... [2019-08-14 18:08:51,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:08:51,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:08:51,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:08:51,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:08:51,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:08:51" (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 18:08:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:08:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:08:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:08:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:08:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:08:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:08:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:08:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:08:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:08:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:08:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:08:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:08:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:08:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:08:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:08:55,227 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:08:55,227 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:08:55,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:08:55 BoogieIcfgContainer [2019-08-14 18:08:55,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:08:55,230 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:08:55,230 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:08:55,230 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:08:55,231 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:08:55" (1/1) ... [2019-08-14 18:09:38,992 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:09:38,995 INFO L168 Benchmark]: Toolchain (without parser) took 50003.44 ms. Allocated memory was 140.5 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 79.8 MB in the beginning and 433.5 MB in the end (delta: -353.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 18:09:38,996 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:09:38,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2166.22 ms. Allocated memory was 140.5 MB in the beginning and 228.6 MB in the end (delta: 88.1 MB). Free memory was 79.6 MB in the beginning and 107.4 MB in the end (delta: -27.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:38,998 INFO L168 Benchmark]: Boogie Preprocessor took 223.70 ms. Allocated memory is still 228.6 MB. Free memory was 107.4 MB in the beginning and 86.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:38,999 INFO L168 Benchmark]: RCFGBuilder took 3845.85 ms. Allocated memory was 228.6 MB in the beginning and 338.2 MB in the end (delta: 109.6 MB). Free memory was 86.9 MB in the beginning and 96.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 100.1 MB. Max. memory is 7.1 GB. [2019-08-14 18:09:39,000 INFO L168 Benchmark]: Symbolic Interpretation took 43761.93 ms. Allocated memory was 338.2 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 96.4 MB in the beginning and 433.5 MB in the end (delta: -337.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-14 18:09:39,007 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 57]: 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 979833#(and (= ~a15~0 4) (= ~a24~0 2) (= ~a18~0 11) (<= ~a3~0 417) (< 306 ~a3~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2166.22 ms. Allocated memory was 140.5 MB in the beginning and 228.6 MB in the end (delta: 88.1 MB). Free memory was 79.6 MB in the beginning and 107.4 MB in the end (delta: -27.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 223.70 ms. Allocated memory is still 228.6 MB. Free memory was 107.4 MB in the beginning and 86.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3845.85 ms. Allocated memory was 228.6 MB in the beginning and 338.2 MB in the end (delta: 109.6 MB). Free memory was 86.9 MB in the beginning and 96.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 100.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 43761.93 ms. Allocated memory was 338.2 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 96.4 MB in the beginning and 433.5 MB in the end (delta: -337.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...