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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:05:17,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:05:17,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:05:17,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:05:17,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:05:17,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:05:17,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:05:17,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:05:17,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:05:17,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:05:17,028 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:05:17,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:05:17,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:05:17,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:05:17,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:05:17,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:05:17,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:05:17,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:05:17,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:05:17,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:05:17,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:05:17,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:05:17,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:05:17,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:05:17,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 18:05:17,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:05:17,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:05:17,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:05:17,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:05:17,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:05:17,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:05:17,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:05:17,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:05:17,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:05:17,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:05:17,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:05:17,054 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 18:05:17,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:05:17,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:05:17,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:05:17,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:05:17,078 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:05:17,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:05:17,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:05:17,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:05:17,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:05:17,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:05:17,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:05:17,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:05:17,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:05:17,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:05:17,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:05:17,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:05:17,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:05:17,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:05:17,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:05:17,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:05:17,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:05:17,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:05:17,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:05:17,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:05:17,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:05:17,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:05:17,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:05:17,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:05:17,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:05:17,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:05:17,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:05:17,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:05:17,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:05:17,155 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:05:17,156 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label28.c [2019-08-14 18:05:17,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da79d94b/d37f26b340b64b6681246449352c1617/FLAG00a5b0eca [2019-08-14 18:05:17,977 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:05:17,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label28.c [2019-08-14 18:05:18,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da79d94b/d37f26b340b64b6681246449352c1617/FLAG00a5b0eca [2019-08-14 18:05:18,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da79d94b/d37f26b340b64b6681246449352c1617 [2019-08-14 18:05:18,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:05:18,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:05:18,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:05:18,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:05:18,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:05:18,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:05:18" (1/1) ... [2019-08-14 18:05:18,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145aa8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:18, skipping insertion in model container [2019-08-14 18:05:18,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:05:18" (1/1) ... [2019-08-14 18:05:18,084 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:05:18,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:05:19,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:05:19,397 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:05:19,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:05:19,948 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:05:19,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19 WrapperNode [2019-08-14 18:05:19,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:05:19,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:05:19,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:05:19,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:05:19,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (1/1) ... [2019-08-14 18:05:19,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (1/1) ... [2019-08-14 18:05:20,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (1/1) ... [2019-08-14 18:05:20,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (1/1) ... [2019-08-14 18:05:20,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (1/1) ... [2019-08-14 18:05:20,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (1/1) ... [2019-08-14 18:05:20,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (1/1) ... [2019-08-14 18:05:20,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:05:20,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:05:20,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:05:20,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:05:20,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:19" (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 18:05:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:05:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:05:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:05:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:05:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:05:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:05:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:05:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:05:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:05:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:05:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:05:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:05:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:05:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:05:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:05:24,178 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:05:24,179 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:05:24,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:05:24 BoogieIcfgContainer [2019-08-14 18:05:24,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:05:24,188 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:05:24,188 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:05:24,188 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:05:24,189 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:05:24" (1/1) ... [2019-08-14 18:05:59,614 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:05:59,619 INFO L168 Benchmark]: Toolchain (without parser) took 41551.34 ms. Allocated memory was 139.5 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 76.3 MB in the beginning and 184.9 MB in the end (delta: -108.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-14 18:05:59,622 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:05:59,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1881.70 ms. Allocated memory was 139.5 MB in the beginning and 227.5 MB in the end (delta: 88.1 MB). Free memory was 76.1 MB in the beginning and 108.9 MB in the end (delta: -32.8 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2019-08-14 18:05:59,624 INFO L168 Benchmark]: Boogie Preprocessor took 281.13 ms. Allocated memory is still 227.5 MB. Free memory was 108.9 MB in the beginning and 88.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-14 18:05:59,627 INFO L168 Benchmark]: RCFGBuilder took 3955.60 ms. Allocated memory was 227.5 MB in the beginning and 348.7 MB in the end (delta: 121.1 MB). Free memory was 88.2 MB in the beginning and 124.3 MB in the end (delta: -36.1 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-08-14 18:05:59,629 INFO L168 Benchmark]: Symbolic Interpretation took 35428.02 ms. Allocated memory was 348.7 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 124.3 MB in the beginning and 184.9 MB in the end (delta: -60.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-14 18:05:59,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 201]: 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 984169#(and (= ~a15~0 4) (= ~a18~0 12) (<= ~a3~0 306) (= ~a24~0 1) (< 115 ~a3~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1881.70 ms. Allocated memory was 139.5 MB in the beginning and 227.5 MB in the end (delta: 88.1 MB). Free memory was 76.1 MB in the beginning and 108.9 MB in the end (delta: -32.8 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 281.13 ms. Allocated memory is still 227.5 MB. Free memory was 108.9 MB in the beginning and 88.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3955.60 ms. Allocated memory was 227.5 MB in the beginning and 348.7 MB in the end (delta: 121.1 MB). Free memory was 88.2 MB in the beginning and 124.3 MB in the end (delta: -36.1 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 35428.02 ms. Allocated memory was 348.7 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 124.3 MB in the beginning and 184.9 MB in the end (delta: -60.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...