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/Problem17_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 11:47:31,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 11:47:31,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 11:47:31,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 11:47:31,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 11:47:31,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 11:47:31,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 11:47:31,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 11:47:31,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 11:47:31,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 11:47:31,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 11:47:31,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 11:47:31,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 11:47:31,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 11:47:31,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 11:47:31,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 11:47:31,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 11:47:31,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 11:47:31,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 11:47:31,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 11:47:31,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 11:47:31,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 11:47:31,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 11:47:31,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 11:47:31,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 11:47:31,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 11:47:31,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 11:47:31,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 11:47:31,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 11:47:31,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 11:47:31,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 11:47:31,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 11:47:31,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 11:47:31,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 11:47:31,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 11:47:31,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 11:47:31,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 11:47:31,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 11:47:31,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 11:47:31,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 11:47:31,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 11:47:31,348 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 11:47:31,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 11:47:31,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 11:47:31,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 11:47:31,378 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 11:47:31,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 11:47:31,379 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 11:47:31,379 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 11:47:31,379 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 11:47:31,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 11:47:31,379 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 11:47:31,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 11:47:31,380 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 11:47:31,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 11:47:31,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 11:47:31,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 11:47:31,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 11:47:31,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 11:47:31,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 11:47:31,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 11:47:31,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 11:47:31,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 11:47:31,384 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 11:47:31,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 11:47:31,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 11:47:31,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 11:47:31,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 11:47:31,385 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 11:47:31,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 11:47:31,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 11:47:31,385 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 11:47:31,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 11:47:31,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 11:47:31,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 11:47:31,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 11:47:31,459 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 11:47:31,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label41.c [2019-09-11 11:47:31,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b4998041/067c06d2f8b24e02a4b963f1a2f951ec/FLAG2855006c3 [2019-09-11 11:47:32,185 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 11:47:32,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label41.c [2019-09-11 11:47:32,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b4998041/067c06d2f8b24e02a4b963f1a2f951ec/FLAG2855006c3 [2019-09-11 11:47:32,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b4998041/067c06d2f8b24e02a4b963f1a2f951ec [2019-09-11 11:47:32,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 11:47:32,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 11:47:32,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 11:47:32,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 11:47:32,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 11:47:32,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:47:32" (1/1) ... [2019-09-11 11:47:32,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262768b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:32, skipping insertion in model container [2019-09-11 11:47:32,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:47:32" (1/1) ... [2019-09-11 11:47:32,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 11:47:32,482 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 11:47:33,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 11:47:33,766 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 11:47:34,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 11:47:34,259 INFO L192 MainTranslator]: Completed translation [2019-09-11 11:47:34,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34 WrapperNode [2019-09-11 11:47:34,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 11:47:34,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 11:47:34,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 11:47:34,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 11:47:34,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (1/1) ... [2019-09-11 11:47:34,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (1/1) ... [2019-09-11 11:47:34,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (1/1) ... [2019-09-11 11:47:34,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (1/1) ... [2019-09-11 11:47:34,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (1/1) ... [2019-09-11 11:47:34,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (1/1) ... [2019-09-11 11:47:34,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (1/1) ... [2019-09-11 11:47:34,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 11:47:34,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 11:47:34,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 11:47:34,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 11:47:34,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:47:34" (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 11:47:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 11:47:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 11:47:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-11 11:47:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-11 11:47:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 11:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-11 11:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-11 11:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 11:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 11:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-11 11:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 11:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 11:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 11:47:39,120 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 11:47:39,121 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 11:47:39,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:47:39 BoogieIcfgContainer [2019-09-11 11:47:39,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 11:47:39,124 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 11:47:39,124 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 11:47:39,124 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 11:47:39,125 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:47:39" (1/1) ... [2019-09-11 11:47:39,278 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 11:47:43,015 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.