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/Problem16_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:01:48,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:01:48,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:01:48,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:01:48,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:01:48,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:01:48,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:01:48,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:01:48,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:01:48,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:01:48,674 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:01:48,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:01:48,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:01:48,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:01:48,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:01:48,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:01:48,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:01:48,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:01:48,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:01:48,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:01:48,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:01:48,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:01:48,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:01:48,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:01:48,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:01:48,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:01:48,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:01:48,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:01:48,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:01:48,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:01:48,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:01:48,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:01:48,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:01:48,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:01:48,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:01:48,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:01:48,701 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 [2019-08-08 11:01:48,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:01:48,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:01:48,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:01:48,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:01:48,719 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:01:48,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:01:48,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:01:48,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:01:48,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:01:48,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:01:48,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:01:48,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:01:48,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:01:48,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:01:48,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:01:48,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:01:48,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:01:48,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:01:48,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:01:48,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:01:48,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:01:48,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:01:48,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:01:48,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:01:48,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:01:48,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:01:48,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:01:48,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:01:48,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:01:48,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:01:48,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:01:48,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:01:48,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:01:48,797 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:01:48,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label52.c [2019-08-08 11:01:48,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86aa34a05/049090f7804d44879eba8837b4513713/FLAG2aa42abb7 [2019-08-08 11:01:49,539 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:01:49,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label52.c [2019-08-08 11:01:49,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86aa34a05/049090f7804d44879eba8837b4513713/FLAG2aa42abb7 [2019-08-08 11:01:49,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86aa34a05/049090f7804d44879eba8837b4513713 [2019-08-08 11:01:49,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:01:49,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:01:49,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:01:49,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:01:49,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:01:49,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:01:49" (1/1) ... [2019-08-08 11:01:49,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a3e558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:49, skipping insertion in model container [2019-08-08 11:01:49,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:01:49" (1/1) ... [2019-08-08 11:01:49,707 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:01:49,787 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:01:50,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:01:50,565 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:01:50,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:01:50,969 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:01:50,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50 WrapperNode [2019-08-08 11:01:50,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:01:50,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:01:50,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:01:50,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:01:50,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (1/1) ... [2019-08-08 11:01:50,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (1/1) ... [2019-08-08 11:01:51,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (1/1) ... [2019-08-08 11:01:51,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (1/1) ... [2019-08-08 11:01:51,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (1/1) ... [2019-08-08 11:01:51,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (1/1) ... [2019-08-08 11:01:51,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (1/1) ... [2019-08-08 11:01:51,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:01:51,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:01:51,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:01:51,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:01:51,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:01:50" (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 [2019-08-08 11:01:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:01:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:01:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:01:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:01:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:01:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:01:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:01:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:01:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:01:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:01:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:01:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:01:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:01:56,689 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:01:56,690 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:01:56,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:01:56 BoogieIcfgContainer [2019-08-08 11:01:56,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:01:56,692 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:01:56,692 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:01:56,692 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:01:56,693 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:01:56" (1/1) ... [2019-08-08 11:01:56,717 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:01:56,721 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:01:56,734 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:01:56,741 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:01:56,743 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:01:56,787 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 39 [2019-08-08 11:02:32,549 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:02:32,634 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:02:32,634 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:02:32,636 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 1042993#(and (= ~a15~0 3) (= ~a12~0 8) (= ~a16~0 10) (<= (+ ~a18~0 79) 0) (< 0 (+ ~a18~0 156))) [2019-08-08 11:02:32,638 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:02:32,645 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:02:32,648 INFO L168 Benchmark]: Toolchain (without parser) took 42955.71 ms. Allocated memory was 133.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 83.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 11:02:32,649 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:02:32,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1278.27 ms. Allocated memory was 133.7 MB in the beginning and 222.8 MB in the end (delta: 89.1 MB). Free memory was 83.5 MB in the beginning and 167.7 MB in the end (delta: -84.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:32,651 INFO L168 Benchmark]: Boogie Preprocessor took 201.59 ms. Allocated memory is still 222.8 MB. Free memory was 167.7 MB in the beginning and 157.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:32,652 INFO L168 Benchmark]: RCFGBuilder took 5519.04 ms. Allocated memory was 222.8 MB in the beginning and 269.5 MB in the end (delta: 46.7 MB). Free memory was 157.6 MB in the beginning and 234.3 MB in the end (delta: -76.6 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:02:32,653 INFO L168 Benchmark]: Symbolic Interpretation took 35953.35 ms. Allocated memory was 269.5 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 234.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 11:02:32,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 94]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1278.27 ms. Allocated memory was 133.7 MB in the beginning and 222.8 MB in the end (delta: 89.1 MB). Free memory was 83.5 MB in the beginning and 167.7 MB in the end (delta: -84.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.59 ms. Allocated memory is still 222.8 MB. Free memory was 167.7 MB in the beginning and 157.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5519.04 ms. Allocated memory was 222.8 MB in the beginning and 269.5 MB in the end (delta: 46.7 MB). Free memory was 157.6 MB in the beginning and 234.3 MB in the end (delta: -76.6 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 35953.35 ms. Allocated memory was 269.5 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 234.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). 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...