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/Problem01_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-21 21:52:40,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-21 21:52:40,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-21 21:52:40,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-21 21:52:40,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-21 21:52:40,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-21 21:52:40,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-21 21:52:40,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-21 21:52:40,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-21 21:52:40,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-21 21:52:40,971 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-21 21:52:40,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-21 21:52:40,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-21 21:52:40,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-21 21:52:40,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-21 21:52:40,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-21 21:52:40,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-21 21:52:40,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-21 21:52:40,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-21 21:52:40,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-21 21:52:40,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-21 21:52:40,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-21 21:52:40,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-21 21:52:40,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-21 21:52:40,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-21 21:52:40,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-21 21:52:40,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-21 21:52:40,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-21 21:52:40,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-21 21:52:41,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-21 21:52:41,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-21 21:52:41,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-21 21:52:41,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-21 21:52:41,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-21 21:52:41,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-21 21:52:41,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-21 21:52:41,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-21 21:52:41,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-21 21:52:41,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-21 21:52:41,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-21 21:52:41,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-21 21:52:41,014 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 [2019-08-21 21:52:41,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-21 21:52:41,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-21 21:52:41,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-21 21:52:41,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-21 21:52:41,042 INFO L138 SettingsManager]: * Use SBE=true [2019-08-21 21:52:41,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-21 21:52:41,042 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-21 21:52:41,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-21 21:52:41,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-21 21:52:41,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-21 21:52:41,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-21 21:52:41,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-21 21:52:41,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-21 21:52:41,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-21 21:52:41,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-21 21:52:41,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-21 21:52:41,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-21 21:52:41,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-21 21:52:41,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-21 21:52:41,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-21 21:52:41,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-21 21:52:41,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-21 21:52:41,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-21 21:52:41,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-21 21:52:41,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-21 21:52:41,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-21 21:52:41,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-21 21:52:41,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-21 21:52:41,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-21 21:52:41,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-21 21:52:41,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-21 21:52:41,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-21 21:52:41,115 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-21 21:52:41,115 INFO L275 PluginConnector]: CDTParser initialized [2019-08-21 21:52:41,116 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label57.c [2019-08-21 21:52:41,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aed18dfc/ecb46f375e054f998b09da8b83fb10ea/FLAG5c513b057 [2019-08-21 21:52:41,728 INFO L306 CDTParser]: Found 1 translation units. [2019-08-21 21:52:41,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label57.c [2019-08-21 21:52:41,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aed18dfc/ecb46f375e054f998b09da8b83fb10ea/FLAG5c513b057 [2019-08-21 21:52:42,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aed18dfc/ecb46f375e054f998b09da8b83fb10ea [2019-08-21 21:52:42,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-21 21:52:42,027 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-21 21:52:42,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-21 21:52:42,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-21 21:52:42,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-21 21:52:42,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3f722e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42, skipping insertion in model container [2019-08-21 21:52:42,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,048 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-21 21:52:42,116 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-21 21:52:42,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 21:52:42,601 INFO L188 MainTranslator]: Completed pre-run [2019-08-21 21:52:42,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 21:52:42,837 INFO L192 MainTranslator]: Completed translation [2019-08-21 21:52:42,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42 WrapperNode [2019-08-21 21:52:42,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-21 21:52:42,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-21 21:52:42,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-21 21:52:42,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-21 21:52:42,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (1/1) ... [2019-08-21 21:52:42,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-21 21:52:42,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-21 21:52:42,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-21 21:52:42,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-21 21:52:42,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:52:42" (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 [2019-08-21 21:52:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-21 21:52:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-21 21:52:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-21 21:52:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-21 21:52:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-21 21:52:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-21 21:52:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-21 21:52:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-21 21:52:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-21 21:52:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-21 21:52:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-21 21:52:44,333 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-21 21:52:44,333 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-21 21:52:44,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:52:44 BoogieIcfgContainer [2019-08-21 21:52:44,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-21 21:52:44,338 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-21 21:52:44,338 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-21 21:52:44,338 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-21 21:52:44,340 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:52:44" (1/1) ... [2019-08-21 21:52:44,366 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-21 21:52:44,371 INFO L155 IcfgInterpreter]: Building call graph [2019-08-21 21:52:44,379 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-21 21:52:44,386 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-21 21:52:44,387 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-21 21:52:44,461 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 85 [2019-08-21 21:52:45,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:52:45,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:52:45,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-21 21:52:45,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-21 21:52:45,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:52:45,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-21 21:52:45,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 21:52:45,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 21:52:45,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-21 21:52:45,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:52:45,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:52:45,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:52:45,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:52:45,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:52:45,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:52:45,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:52:45,818 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:52:45,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:52:45,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-21 21:52:45,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 21:52:45,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:52:45,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:52:45,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:52:45,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 7 terms