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/Problem12_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:18:04,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:18:04,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:18:04,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:18:04,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:18:04,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:18:04,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:18:04,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:18:04,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:18:04,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:18:04,932 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:18:04,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:18:04,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:18:04,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:18:04,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:18:04,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:18:04,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:18:04,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:18:04,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:18:04,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:18:04,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:18:04,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:18:04,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:18:04,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:18:04,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:18:04,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:18:04,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:18:04,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:18:04,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:18:04,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:18:04,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:18:04,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:18:04,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:18:04,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:18:04,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:18:04,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:18:04,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:18:04,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:18:04,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:18:04,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:18:04,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:18:04,970 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 13:18:04,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:18:04,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:18:04,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:18:05,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:18:05,000 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:18:05,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:18:05,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:18:05,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:18:05,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:18:05,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:18:05,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:18:05,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:18:05,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:18:05,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:18:05,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:18:05,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:18:05,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:18:05,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:18:05,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:18:05,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:18:05,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:18:05,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:18:05,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:18:05,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:18:05,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:18:05,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:18:05,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:18:05,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:18:05,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:18:05,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:18:05,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:18:05,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:18:05,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:18:05,072 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:18:05,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label31.c [2019-08-14 13:18:05,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9e9f511b/3208175875124ef787799619713b497e/FLAG9b2dd81ed [2019-08-14 13:18:06,038 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:18:06,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label31.c [2019-08-14 13:18:06,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9e9f511b/3208175875124ef787799619713b497e/FLAG9b2dd81ed [2019-08-14 13:18:06,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9e9f511b/3208175875124ef787799619713b497e [2019-08-14 13:18:06,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:18:06,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:18:06,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:06,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:18:06,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:18:06,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:06" (1/1) ... [2019-08-14 13:18:06,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339c4e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:06, skipping insertion in model container [2019-08-14 13:18:06,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:06" (1/1) ... [2019-08-14 13:18:06,603 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:18:06,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:18:08,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:08,377 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:18:09,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:09,059 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:18:09,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09 WrapperNode [2019-08-14 13:18:09,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:09,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:18:09,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:18:09,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:18:09,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (1/1) ... [2019-08-14 13:18:09,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (1/1) ... [2019-08-14 13:18:09,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (1/1) ... [2019-08-14 13:18:09,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (1/1) ... [2019-08-14 13:18:09,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (1/1) ... [2019-08-14 13:18:09,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (1/1) ... [2019-08-14 13:18:09,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (1/1) ... [2019-08-14 13:18:09,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:18:09,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:18:09,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:18:09,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:18:09,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:09" (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 13:18:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:18:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:18:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:18:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:18:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:18:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:18:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:18:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:18:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:18:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:18:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:18:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:18:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:18:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:18:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:18:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:18:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:18:14,612 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:18:14,613 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:18:14,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:14 BoogieIcfgContainer [2019-08-14 13:18:14,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:18:14,617 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:18:14,617 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:18:14,617 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:18:14,618 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:14" (1/1) ... [2019-08-14 13:19:16,751 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:19:23,603 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:19:35,856 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:22:12,118 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:22:20,418 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:22:34,956 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:23:28,084 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:28:56,168 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:29:09,927 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:29:14,042 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:31:53,884 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:32:07,950 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:32:11,917 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time...