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/Problem14_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:36:01,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:36:01,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:36:01,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:36:01,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:36:01,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:36:01,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:36:01,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:36:01,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:36:01,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:36:01,786 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:36:01,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:36:01,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:36:01,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:36:01,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:36:01,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:36:01,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:36:01,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:36:01,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:36:01,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:36:01,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:36:01,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:36:01,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:36:01,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:36:01,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 20:36:01,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 20:36:01,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 20:36:01,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 20:36:01,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 20:36:01,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 20:36:01,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:36:01,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:36:01,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:36:01,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:36:01,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:36:01,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:36:01,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:36:01,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:36:01,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:36:01,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:36:01,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:36:01,821 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 20:36:01,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:36:01,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:36:01,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:36:01,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:36:01,850 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:36:01,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:36:01,851 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:36:01,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:36:01,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:36:01,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:36:01,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:36:01,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:36:01,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:36:01,853 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:36:01,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:36:01,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:36:01,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:36:01,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:36:01,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:36:01,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:36:01,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:36:01,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:36:01,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:36:01,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:36:01,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:36:01,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:36:01,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:36:01,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:36:01,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:36:01,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:36:01,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:36:01,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:36:01,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:36:01,927 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:36:01,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label13.c [2019-08-09 20:36:02,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/624eff8c1/04d03485785c4084bc69859b2689eadd/FLAG6d1d1d1cc [2019-08-09 20:36:02,575 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:36:02,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label13.c [2019-08-09 20:36:02,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/624eff8c1/04d03485785c4084bc69859b2689eadd/FLAG6d1d1d1cc [2019-08-09 20:36:02,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/624eff8c1/04d03485785c4084bc69859b2689eadd [2019-08-09 20:36:02,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:36:02,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:36:02,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:36:02,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:36:02,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:36:02,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:36:02" (1/1) ... [2019-08-09 20:36:02,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4340e223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:02, skipping insertion in model container [2019-08-09 20:36:02,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:36:02" (1/1) ... [2019-08-09 20:36:02,827 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:36:02,890 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:36:03,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:36:03,372 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:36:03,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:36:03,698 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:36:03,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03 WrapperNode [2019-08-09 20:36:03,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:36:03,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:36:03,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:36:03,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:36:03,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (1/1) ... [2019-08-09 20:36:03,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (1/1) ... [2019-08-09 20:36:03,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (1/1) ... [2019-08-09 20:36:03,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (1/1) ... [2019-08-09 20:36:03,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (1/1) ... [2019-08-09 20:36:03,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (1/1) ... [2019-08-09 20:36:03,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (1/1) ... [2019-08-09 20:36:03,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:36:03,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:36:03,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:36:03,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:36:03,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:03" (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 20:36:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:36:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:36:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:36:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:36:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:36:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:36:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:36:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:36:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:36:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:36:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:36:05,453 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:36:05,454 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:36:05,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:36:05 BoogieIcfgContainer [2019-08-09 20:36:05,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:36:05,456 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:36:05,456 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:36:05,457 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:36:05,457 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:36:05" (1/1) ... [2019-08-09 20:36:20,875 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:36:20,883 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:36:20,886 INFO L168 Benchmark]: Toolchain (without parser) took 18076.73 ms. Allocated memory was 138.4 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 84.7 MB in the beginning and 875.3 MB in the end (delta: -790.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-08-09 20:36:20,887 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 138.4 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 20:36:20,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.15 ms. Allocated memory was 138.4 MB in the beginning and 208.1 MB in the end (delta: 69.7 MB). Free memory was 84.5 MB in the beginning and 175.8 MB in the end (delta: -91.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2019-08-09 20:36:20,889 INFO L168 Benchmark]: Boogie Preprocessor took 136.07 ms. Allocated memory is still 208.1 MB. Free memory was 175.8 MB in the beginning and 170.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-09 20:36:20,890 INFO L168 Benchmark]: RCFGBuilder took 1619.10 ms. Allocated memory was 208.1 MB in the beginning and 292.0 MB in the end (delta: 83.9 MB). Free memory was 169.9 MB in the beginning and 250.3 MB in the end (delta: -80.4 MB). Peak memory consumption was 113.1 MB. Max. memory is 7.1 GB. [2019-08-09 20:36:20,891 INFO L168 Benchmark]: Symbolic Interpretation took 15427.05 ms. Allocated memory was 292.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 250.3 MB in the beginning and 875.3 MB in the end (delta: -625.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-08-09 20:36:20,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 76]: 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 407353#(and (<= ~a12~0 80) (< 11 ~a12~0) (= ~a24~0 1) (= ~a21~0 10) (= ~a15~0 5)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 138.4 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 889.15 ms. Allocated memory was 138.4 MB in the beginning and 208.1 MB in the end (delta: 69.7 MB). Free memory was 84.5 MB in the beginning and 175.8 MB in the end (delta: -91.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.07 ms. Allocated memory is still 208.1 MB. Free memory was 175.8 MB in the beginning and 170.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1619.10 ms. Allocated memory was 208.1 MB in the beginning and 292.0 MB in the end (delta: 83.9 MB). Free memory was 169.9 MB in the beginning and 250.3 MB in the end (delta: -80.4 MB). Peak memory consumption was 113.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15427.05 ms. Allocated memory was 292.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 250.3 MB in the beginning and 875.3 MB in the end (delta: -625.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...