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/Problem01_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:47:54,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:47:54,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:47:54,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:47:54,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:47:54,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:47:54,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:47:54,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:47:54,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:47:54,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:47:54,996 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:47:54,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:47:54,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:47:54,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:47:55,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:47:55,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:47:55,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:47:55,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:47:55,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:47:55,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:47:55,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:47:55,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:47:55,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:47:55,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:47:55,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:47:55,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:47:55,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:47:55,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:47:55,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:47:55,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:47:55,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:47:55,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:47:55,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:47:55,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:47:55,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:47:55,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:47:55,024 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 16:47:55,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:47:55,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:47:55,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:47:55,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:47:55,041 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:47:55,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:47:55,041 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:47:55,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:47:55,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:47:55,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:47:55,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:47:55,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:47:55,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:47:55,043 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:47:55,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:47:55,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:47:55,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:47:55,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:47:55,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:47:55,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:47:55,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:47:55,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:47:55,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:47:55,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:47:55,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:47:55,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:47:55,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:47:55,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:47:55,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:47:55,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:47:55,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:47:55,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:47:55,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:47:55,096 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:47:55,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label12.c [2019-08-09 16:47:55,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40487b6b8/2babdb93b06848fa9adcd5ae0b4b6b13/FLAG14219a2d3 [2019-08-09 16:47:55,727 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:47:55,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label12.c [2019-08-09 16:47:55,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40487b6b8/2babdb93b06848fa9adcd5ae0b4b6b13/FLAG14219a2d3 [2019-08-09 16:47:55,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40487b6b8/2babdb93b06848fa9adcd5ae0b4b6b13 [2019-08-09 16:47:55,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:47:55,996 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:47:55,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:55,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:47:56,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:47:56,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:55" (1/1) ... [2019-08-09 16:47:56,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abc04f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56, skipping insertion in model container [2019-08-09 16:47:56,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:55" (1/1) ... [2019-08-09 16:47:56,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:47:56,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:47:56,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:56,587 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:47:56,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:56,749 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:47:56,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56 WrapperNode [2019-08-09 16:47:56,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:56,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:47:56,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:47:56,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:47:56,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (1/1) ... [2019-08-09 16:47:56,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (1/1) ... [2019-08-09 16:47:56,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (1/1) ... [2019-08-09 16:47:56,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (1/1) ... [2019-08-09 16:47:56,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (1/1) ... [2019-08-09 16:47:56,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (1/1) ... [2019-08-09 16:47:56,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (1/1) ... [2019-08-09 16:47:56,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:47:56,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:47:56,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:47:56,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:47:56,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:56" (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 16:47:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:47:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:47:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:47:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:47:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:47:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:47:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:47:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:47:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:47:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:47:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:47:58,165 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:47:58,166 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:47:58,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:47:58 BoogieIcfgContainer [2019-08-09 16:47:58,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:47:58,168 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:47:58,171 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:47:58,171 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:47:58,172 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:59,954 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:47:59,963 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:47:59,966 INFO L168 Benchmark]: Toolchain (without parser) took 3968.36 ms. Allocated memory was 131.6 MB in the beginning and 350.2 MB in the end (delta: 218.6 MB). Free memory was 85.8 MB in the beginning and 268.4 MB in the end (delta: -182.6 MB). Peak memory consumption was 151.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:59,968 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:47:59,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.53 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 85.6 MB in the beginning and 166.3 MB in the end (delta: -80.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:59,971 INFO L168 Benchmark]: Boogie Preprocessor took 131.73 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 160.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:59,974 INFO L168 Benchmark]: RCFGBuilder took 1285.27 ms. Allocated memory was 201.9 MB in the beginning and 223.9 MB in the end (delta: 22.0 MB). Free memory was 160.7 MB in the beginning and 178.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:59,975 INFO L168 Benchmark]: Symbolic Interpretation took 1795.07 ms. Allocated memory was 223.9 MB in the beginning and 350.2 MB in the end (delta: 126.4 MB). Free memory was 178.6 MB in the beginning and 268.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 151.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:59,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 536]: 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 34103#(and (= 1 ~a7~0) (= ~a12~0 8) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1) (= 14 ~a8~0) (= ~a16~0 5)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.53 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 85.6 MB in the beginning and 166.3 MB in the end (delta: -80.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.73 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 160.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1285.27 ms. Allocated memory was 201.9 MB in the beginning and 223.9 MB in the end (delta: 22.0 MB). Free memory was 160.7 MB in the beginning and 178.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1795.07 ms. Allocated memory was 223.9 MB in the beginning and 350.2 MB in the end (delta: 126.4 MB). Free memory was 178.6 MB in the beginning and 268.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 151.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...