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_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:02:25,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:02:25,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:02:25,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:02:25,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:02:25,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:02:25,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:02:25,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:02:25,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:02:25,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:02:25,959 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:02:25,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:02:25,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:02:25,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:02:25,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:02:25,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:02:25,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:02:25,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:02:25,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:02:25,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:02:25,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:02:25,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:02:25,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:02:25,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:02:25,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:02:25,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:02:25,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:02:25,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:02:25,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:02:25,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:02:25,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:02:25,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:02:25,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:02:25,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:02:25,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:02:25,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:02:25,987 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 11:02:26,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:02:26,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:02:26,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:02:26,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:02:26,004 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:02:26,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:02:26,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:02:26,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:02:26,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:02:26,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:02:26,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:02:26,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:02:26,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:02:26,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:02:26,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:02:26,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:02:26,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:02:26,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:02:26,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:02:26,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:02:26,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:02:26,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:02:26,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:02:26,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:02:26,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:02:26,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:02:26,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:02:26,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:02:26,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:02:26,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:02:26,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:02:26,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:02:26,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:02:26,055 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:02:26,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label44.c [2019-08-14 11:02:26,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/979ebd187/a88ddd4a53a948ceaca0b91f233514e6/FLAGf445bc50d [2019-08-14 11:02:26,755 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:02:26,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label44.c [2019-08-14 11:02:26,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/979ebd187/a88ddd4a53a948ceaca0b91f233514e6/FLAGf445bc50d [2019-08-14 11:02:26,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/979ebd187/a88ddd4a53a948ceaca0b91f233514e6 [2019-08-14 11:02:27,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:02:27,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:02:27,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:27,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:02:27,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:02:27,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:26" (1/1) ... [2019-08-14 11:02:27,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569a8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27, skipping insertion in model container [2019-08-14 11:02:27,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:26" (1/1) ... [2019-08-14 11:02:27,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:02:27,083 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:02:27,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:27,506 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:02:27,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:27,798 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:02:27,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27 WrapperNode [2019-08-14 11:02:27,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:27,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:02:27,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:02:27,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:02:27,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:02:27,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:02:27,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:02:27,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:02:27,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (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 11:02:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:02:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:02:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:02:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:02:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:02:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:02:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:02:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:02:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:02:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:02:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:02:29,187 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:02:29,187 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:02:29,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:29 BoogieIcfgContainer [2019-08-14 11:02:29,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:02:29,191 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:02:29,191 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:02:29,191 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:02:29,193 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:29" (1/1) ... [2019-08-14 11:02:30,214 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:02:30,218 INFO L168 Benchmark]: Toolchain (without parser) took 3209.01 ms. Allocated memory was 131.6 MB in the beginning and 272.1 MB in the end (delta: 140.5 MB). Free memory was 84.2 MB in the beginning and 191.8 MB in the end (delta: -107.6 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:30,221 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:02:30,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.29 ms. Allocated memory was 131.6 MB in the beginning and 202.4 MB in the end (delta: 70.8 MB). Free memory was 83.9 MB in the beginning and 167.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:30,225 INFO L168 Benchmark]: Boogie Preprocessor took 96.44 ms. Allocated memory is still 202.4 MB. Free memory was 167.7 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:30,229 INFO L168 Benchmark]: RCFGBuilder took 1293.84 ms. Allocated memory was 202.4 MB in the beginning and 223.9 MB in the end (delta: 21.5 MB). Free memory was 162.9 MB in the beginning and 180.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:30,230 INFO L168 Benchmark]: Symbolic Interpretation took 1024.20 ms. Allocated memory was 223.9 MB in the beginning and 272.1 MB in the end (delta: 48.2 MB). Free memory was 180.4 MB in the beginning and 191.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 114.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:30,242 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 436]: 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 10890#(and (= ~a28~0 9) (not (= ~a25~0 1)) (= ~a17~0 8) (= ~a19~0 1) (= ~a21~0 1) (= ~a11~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.29 ms. Allocated memory was 131.6 MB in the beginning and 202.4 MB in the end (delta: 70.8 MB). Free memory was 83.9 MB in the beginning and 167.7 MB in the end (delta: -83.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.44 ms. Allocated memory is still 202.4 MB. Free memory was 167.7 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1293.84 ms. Allocated memory was 202.4 MB in the beginning and 223.9 MB in the end (delta: 21.5 MB). Free memory was 162.9 MB in the beginning and 180.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1024.20 ms. Allocated memory was 223.9 MB in the beginning and 272.1 MB in the end (delta: 48.2 MB). Free memory was 180.4 MB in the beginning and 191.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 114.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...