java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 12:13:58,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 12:13:58,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 12:13:58,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 12:13:58,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 12:13:58,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 12:13:58,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 12:13:58,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 12:13:58,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 12:13:58,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 12:13:58,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 12:13:58,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 12:13:58,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 12:13:58,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 12:13:58,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 12:13:58,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 12:13:58,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 12:13:58,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 12:13:58,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 12:13:58,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 12:13:58,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 12:13:58,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 12:13:58,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 12:13:58,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 12:13:58,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 12:13:58,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 12:13:58,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 12:13:58,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 12:13:58,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 12:13:58,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 12:13:58,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 12:13:58,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 12:13:58,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 12:13:58,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 12:13:58,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 12:13:58,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 12:13:58,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 12:13:58,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 12:13:58,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 12:13:58,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 12:13:58,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 12:13:58,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 12:13:59,025 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 12:13:59,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 12:13:59,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 12:13:59,027 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 12:13:59,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 12:13:59,027 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 12:13:59,028 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 12:13:59,028 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 12:13:59,028 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 12:13:59,028 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 12:13:59,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 12:13:59,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 12:13:59,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 12:13:59,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 12:13:59,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 12:13:59,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 12:13:59,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 12:13:59,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 12:13:59,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 12:13:59,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 12:13:59,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 12:13:59,033 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 12:13:59,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 12:13:59,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 12:13:59,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 12:13:59,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 12:13:59,034 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 12:13:59,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 12:13:59,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 12:13:59,035 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 12:13:59,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 12:13:59,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 12:13:59,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 12:13:59,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 12:13:59,111 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 12:13:59,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label06.c [2019-09-11 12:13:59,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a9578c9/22366cc918be42e1b312edaf638a563c/FLAG6e90d1d7d [2019-09-11 12:13:59,893 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 12:13:59,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label06.c [2019-09-11 12:13:59,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a9578c9/22366cc918be42e1b312edaf638a563c/FLAG6e90d1d7d [2019-09-11 12:14:00,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a9578c9/22366cc918be42e1b312edaf638a563c [2019-09-11 12:14:00,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 12:14:00,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 12:14:00,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 12:14:00,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 12:14:00,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 12:14:00,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:14:00" (1/1) ... [2019-09-11 12:14:00,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a46f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:00, skipping insertion in model container [2019-09-11 12:14:00,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:14:00" (1/1) ... [2019-09-11 12:14:00,054 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 12:14:00,197 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 12:14:01,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 12:14:01,354 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 12:14:01,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 12:14:01,938 INFO L192 MainTranslator]: Completed translation [2019-09-11 12:14:01,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01 WrapperNode [2019-09-11 12:14:01,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 12:14:01,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 12:14:01,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 12:14:01,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 12:14:01,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (1/1) ... [2019-09-11 12:14:01,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (1/1) ... [2019-09-11 12:14:02,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (1/1) ... [2019-09-11 12:14:02,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (1/1) ... [2019-09-11 12:14:02,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (1/1) ... [2019-09-11 12:14:02,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (1/1) ... [2019-09-11 12:14:02,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (1/1) ... [2019-09-11 12:14:02,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 12:14:02,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 12:14:02,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 12:14:02,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 12:14:02,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:14:01" (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 [2019-09-11 12:14:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 12:14:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 12:14:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-11 12:14:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-11 12:14:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-11 12:14:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 12:14:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-11 12:14:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-11 12:14:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-11 12:14:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 12:14:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 12:14:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-11 12:14:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 12:14:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 12:14:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 12:14:06,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 12:14:06,071 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 12:14:06,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:14:06 BoogieIcfgContainer [2019-09-11 12:14:06,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 12:14:06,074 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 12:14:06,074 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 12:14:06,074 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 12:14:06,075 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:14:06" (1/1) ... [2019-09-11 12:14:06,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 12:16:01,029 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.