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_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:18:13,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:18:13,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:18:13,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:18:13,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:18:13,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:18:13,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:18:13,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:18:13,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:18:13,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:18:13,065 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:18:13,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:18:13,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:18:13,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:18:13,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:18:13,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:18:13,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:18:13,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:18:13,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:18:13,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:18:13,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:18:13,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:18:13,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:18:13,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:18:13,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:18:13,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:18:13,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:18:13,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:18:13,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:18:13,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:18:13,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:18:13,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:18:13,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:18:13,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:18:13,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:18:13,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:18:13,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:18:13,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:18:13,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:18:13,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:18:13,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:18:13,106 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 13:18:13,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:18:13,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:18:13,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:18:13,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:18:13,131 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:18:13,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:18:13,132 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:18:13,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:18:13,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:18:13,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:18:13,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:18:13,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:18:13,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:18:13,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:18:13,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:18:13,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:18:13,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:18:13,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:18:13,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:18:13,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:18:13,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:18:13,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:18:13,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:18:13,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:18:13,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:18:13,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:18:13,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:18:13,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:18:13,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:18:13,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:18:13,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:18:13,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:18:13,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:18:13,200 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:18:13,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label34.c [2019-08-14 13:18:13,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06c5533d/f708de3bbf4b485b9f7780bf4c1bf8eb/FLAG8122ba423 [2019-08-14 13:18:14,013 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:18:14,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label34.c [2019-08-14 13:18:14,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06c5533d/f708de3bbf4b485b9f7780bf4c1bf8eb/FLAG8122ba423 [2019-08-14 13:18:14,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06c5533d/f708de3bbf4b485b9f7780bf4c1bf8eb [2019-08-14 13:18:14,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:18:14,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:18:14,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:14,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:18:14,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:18:14,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:14" (1/1) ... [2019-08-14 13:18:14,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243151bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:14, skipping insertion in model container [2019-08-14 13:18:14,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:18:14" (1/1) ... [2019-08-14 13:18:14,566 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:18:14,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:18:16,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:16,050 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:18:16,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:18:16,737 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:18:16,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16 WrapperNode [2019-08-14 13:18:16,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:18:16,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:18:16,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:18:16,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:18:16,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (1/1) ... [2019-08-14 13:18:16,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (1/1) ... [2019-08-14 13:18:16,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (1/1) ... [2019-08-14 13:18:16,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (1/1) ... [2019-08-14 13:18:16,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (1/1) ... [2019-08-14 13:18:16,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (1/1) ... [2019-08-14 13:18:16,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (1/1) ... [2019-08-14 13:18:17,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:18:17,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:18:17,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:18:17,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:18:17,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:18:16" (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 13:18:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:18:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:18:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:18:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:18:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:18:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:18:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:18:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:18:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:18:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:18:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:18:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:18:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:18:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:18:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:18:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:18:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:18:21,854 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:18:21,855 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:18:21,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:21 BoogieIcfgContainer [2019-08-14 13:18:21,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:18:21,863 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:18:21,863 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:18:21,864 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:18:21,865 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:18:21" (1/1) ... [2019-08-14 13:19:24,534 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:19:31,190 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:19:41,859 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:21:32,707 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:21:39,649 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:21:50,932 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:22:28,654 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:27:00,901 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:27:13,408 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:27:17,249 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:29:09,885 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:29:22,027 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:29:25,636 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:30:03,172 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...