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/Problem15_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 09:32:08,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 09:32:08,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 09:32:08,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 09:32:08,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 09:32:08,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 09:32:08,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 09:32:08,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 09:32:08,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 09:32:08,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 09:32:08,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 09:32:08,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 09:32:08,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 09:32:08,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 09:32:08,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 09:32:08,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 09:32:08,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 09:32:08,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 09:32:08,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 09:32:08,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 09:32:08,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 09:32:08,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 09:32:08,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 09:32:08,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 09:32:08,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 09:32:08,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 09:32:08,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 09:32:08,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 09:32:08,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 09:32:08,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 09:32:08,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 09:32:08,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 09:32:08,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 09:32:08,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 09:32:08,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 09:32:08,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 09:32:08,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 09:32:08,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 09:32:08,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 09:32:08,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 09:32:08,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 09:32:08,396 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 09:32:08,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 09:32:08,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 09:32:08,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 09:32:08,413 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 09:32:08,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 09:32:08,413 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 09:32:08,414 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 09:32:08,414 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 09:32:08,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 09:32:08,414 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 09:32:08,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 09:32:08,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 09:32:08,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 09:32:08,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 09:32:08,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 09:32:08,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 09:32:08,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 09:32:08,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 09:32:08,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 09:32:08,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 09:32:08,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 09:32:08,417 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 09:32:08,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 09:32:08,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 09:32:08,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 09:32:08,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 09:32:08,418 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 09:32:08,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 09:32:08,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 09:32:08,419 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 09:32:08,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 09:32:08,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 09:32:08,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 09:32:08,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 09:32:08,465 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 09:32:08,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label29.c [2019-09-11 09:32:08,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec62dbcc3/90fe022ad0a5469f9bbce8d48df06177/FLAG2342ef655 [2019-09-11 09:32:09,275 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 09:32:09,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label29.c [2019-09-11 09:32:09,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec62dbcc3/90fe022ad0a5469f9bbce8d48df06177/FLAG2342ef655 [2019-09-11 09:32:09,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec62dbcc3/90fe022ad0a5469f9bbce8d48df06177 [2019-09-11 09:32:09,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 09:32:09,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 09:32:09,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 09:32:09,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 09:32:09,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 09:32:09,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 09:32:09" (1/1) ... [2019-09-11 09:32:09,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b3a2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:09, skipping insertion in model container [2019-09-11 09:32:09,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 09:32:09" (1/1) ... [2019-09-11 09:32:09,489 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 09:32:09,577 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 09:32:10,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 09:32:10,524 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 09:32:10,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 09:32:10,826 INFO L192 MainTranslator]: Completed translation [2019-09-11 09:32:10,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10 WrapperNode [2019-09-11 09:32:10,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 09:32:10,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 09:32:10,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 09:32:10,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 09:32:10,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (1/1) ... [2019-09-11 09:32:10,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (1/1) ... [2019-09-11 09:32:10,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (1/1) ... [2019-09-11 09:32:10,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (1/1) ... [2019-09-11 09:32:10,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (1/1) ... [2019-09-11 09:32:10,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (1/1) ... [2019-09-11 09:32:11,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (1/1) ... [2019-09-11 09:32:11,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 09:32:11,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 09:32:11,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 09:32:11,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 09:32:11,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 09:32:10" (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 09:32:11,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 09:32:11,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 09:32:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-11 09:32:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-11 09:32:11,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 09:32:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-11 09:32:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-11 09:32:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 09:32:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 09:32:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-11 09:32:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 09:32:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 09:32:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 09:32:14,621 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 09:32:14,622 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 09:32:14,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 09:32:14 BoogieIcfgContainer [2019-09-11 09:32:14,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 09:32:14,624 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 09:32:14,624 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 09:32:14,625 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 09:32:14,626 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 09:32:14" (1/1) ... [2019-09-11 09:32:14,715 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 09:32:17,522 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.