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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:05:49,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:05:49,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:05:49,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:05:49,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:05:49,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:05:49,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:05:49,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:05:49,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:05:49,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:05:49,974 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:05:49,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:05:49,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:05:49,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:05:49,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:05:49,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:05:49,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:05:49,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:05:49,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:05:49,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:05:49,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:05:49,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:05:49,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:05:49,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:05:49,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 18:05:49,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:05:49,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:05:49,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:05:49,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:05:49,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:05:49,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:05:49,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:05:49,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:05:49,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:05:49,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:05:49,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:05:50,000 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 18:05:50,014 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:05:50,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:05:50,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:05:50,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:05:50,016 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:05:50,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:05:50,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:05:50,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:05:50,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:05:50,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:05:50,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:05:50,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:05:50,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:05:50,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:05:50,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:05:50,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:05:50,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:05:50,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:05:50,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:05:50,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:05:50,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:05:50,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:05:50,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:05:50,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:05:50,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:05:50,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:05:50,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:05:50,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:05:50,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:05:50,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:05:50,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:05:50,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:05:50,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:05:50,073 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:05:50,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label30.c [2019-08-14 18:05:50,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7affb93/5f8247da6e90470aa298f9876e0f5e83/FLAG0a71962c3 [2019-08-14 18:05:50,855 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:05:50,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label30.c [2019-08-14 18:05:50,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7affb93/5f8247da6e90470aa298f9876e0f5e83/FLAG0a71962c3 [2019-08-14 18:05:51,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7affb93/5f8247da6e90470aa298f9876e0f5e83 [2019-08-14 18:05:51,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:05:51,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:05:51,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:05:51,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:05:51,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:05:51,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:05:51" (1/1) ... [2019-08-14 18:05:51,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707b185e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:51, skipping insertion in model container [2019-08-14 18:05:51,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:05:51" (1/1) ... [2019-08-14 18:05:51,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:05:51,169 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:05:52,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:05:52,458 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:05:52,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:05:52,947 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:05:52,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52 WrapperNode [2019-08-14 18:05:52,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:05:52,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:05:52,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:05:52,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:05:52,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (1/1) ... [2019-08-14 18:05:52,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (1/1) ... [2019-08-14 18:05:53,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (1/1) ... [2019-08-14 18:05:53,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (1/1) ... [2019-08-14 18:05:53,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (1/1) ... [2019-08-14 18:05:53,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (1/1) ... [2019-08-14 18:05:53,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (1/1) ... [2019-08-14 18:05:53,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:05:53,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:05:53,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:05:53,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:05:53,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:05:52" (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 18:05:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:05:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:05:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:05:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:05:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:05:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:05:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:05:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:05:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:05:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:05:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:05:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:05:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:05:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:05:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:05:57,057 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:05:57,058 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:05:57,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:05:57 BoogieIcfgContainer [2019-08-14 18:05:57,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:05:57,061 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:05:57,062 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:05:57,062 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:05:57,063 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:05:57" (1/1) ... [2019-08-14 18:06:38,308 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:06:38,311 INFO L168 Benchmark]: Toolchain (without parser) took 47277.25 ms. Allocated memory was 132.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 78.3 MB in the beginning and 1.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 18:06:38,312 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:06:38,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1913.98 ms. Allocated memory was 132.1 MB in the beginning and 228.6 MB in the end (delta: 96.5 MB). Free memory was 78.1 MB in the beginning and 100.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-08-14 18:06:38,314 INFO L168 Benchmark]: Boogie Preprocessor took 269.63 ms. Allocated memory is still 228.6 MB. Free memory was 100.9 MB in the beginning and 80.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-14 18:06:38,315 INFO L168 Benchmark]: RCFGBuilder took 3841.75 ms. Allocated memory was 228.6 MB in the beginning and 360.7 MB in the end (delta: 132.1 MB). Free memory was 80.3 MB in the beginning and 133.1 MB in the end (delta: -52.9 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2019-08-14 18:06:38,316 INFO L168 Benchmark]: Symbolic Interpretation took 41246.52 ms. Allocated memory was 360.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 133.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-14 18:06:38,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 138]: 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 980151#(and (= ~a15~0 4) (<= ~a3~0 417) (= ~a24~0 1) (< 306 ~a3~0) (= ~a18~0 9)). 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 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1913.98 ms. Allocated memory was 132.1 MB in the beginning and 228.6 MB in the end (delta: 96.5 MB). Free memory was 78.1 MB in the beginning and 100.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 269.63 ms. Allocated memory is still 228.6 MB. Free memory was 100.9 MB in the beginning and 80.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3841.75 ms. Allocated memory was 228.6 MB in the beginning and 360.7 MB in the end (delta: 132.1 MB). Free memory was 80.3 MB in the beginning and 133.1 MB in the end (delta: -52.9 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 41246.52 ms. Allocated memory was 360.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 133.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...