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/Problem04_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 22:56:39,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 22:56:39,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 22:56:39,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 22:56:39,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 22:56:39,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 22:56:39,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 22:56:39,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 22:56:39,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 22:56:39,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 22:56:39,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 22:56:39,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 22:56:39,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 22:56:39,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 22:56:39,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 22:56:39,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 22:56:39,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 22:56:39,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 22:56:39,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 22:56:39,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 22:56:39,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 22:56:39,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 22:56:39,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 22:56:39,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 22:56:39,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 22:56:39,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 22:56:39,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 22:56:39,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 22:56:39,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 22:56:39,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 22:56:39,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 22:56:39,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 22:56:39,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 22:56:39,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 22:56:39,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 22:56:39,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 22:56:39,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 22:56:39,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 22:56:39,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 22:56:39,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 22:56:39,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 22:56:39,414 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 [2019-09-10 22:56:39,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 22:56:39,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 22:56:39,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 22:56:39,435 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 22:56:39,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 22:56:39,438 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 22:56:39,439 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 22:56:39,439 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 22:56:39,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 22:56:39,439 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 22:56:39,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 22:56:39,440 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 22:56:39,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 22:56:39,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 22:56:39,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 22:56:39,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 22:56:39,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 22:56:39,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 22:56:39,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 22:56:39,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 22:56:39,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 22:56:39,442 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 22:56:39,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 22:56:39,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 22:56:39,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 22:56:39,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 22:56:39,444 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 22:56:39,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 22:56:39,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 22:56:39,445 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 22:56:39,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 22:56:39,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 22:56:39,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 22:56:39,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 22:56:39,515 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 22:56:39,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label40.c [2019-09-10 22:56:39,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbc6910/6d54862dde1a41a899ae19c9b8262428/FLAG810ac11b7 [2019-09-10 22:56:40,329 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 22:56:40,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label40.c [2019-09-10 22:56:40,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbc6910/6d54862dde1a41a899ae19c9b8262428/FLAG810ac11b7 [2019-09-10 22:56:40,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbc6910/6d54862dde1a41a899ae19c9b8262428 [2019-09-10 22:56:40,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 22:56:40,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 22:56:40,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 22:56:40,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 22:56:40,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 22:56:40,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:56:40" (1/1) ... [2019-09-10 22:56:40,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3724e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:40, skipping insertion in model container [2019-09-10 22:56:40,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:56:40" (1/1) ... [2019-09-10 22:56:40,447 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 22:56:40,631 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 22:56:42,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 22:56:42,323 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 22:56:43,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 22:56:43,062 INFO L192 MainTranslator]: Completed translation [2019-09-10 22:56:43,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43 WrapperNode [2019-09-10 22:56:43,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 22:56:43,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 22:56:43,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 22:56:43,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 22:56:43,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 22:56:43,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 22:56:43,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 22:56:43,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 22:56:43,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 22:56:43,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 22:56:43,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 22:56:43,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 22:56:43,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 22:56:43,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 22:56:43,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 22:56:43,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (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 [2019-09-10 22:56:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 22:56:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 22:56:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-10 22:56:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-10 22:56:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-10 22:56:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-10 22:56:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 22:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-10 22:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-10 22:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-10 22:56:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-10 22:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 22:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 22:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 22:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 22:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 22:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 22:56:48,026 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 22:56:48,027 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 22:56:48,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:56:48 BoogieIcfgContainer [2019-09-10 22:56:48,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 22:56:48,032 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 22:56:48,032 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 22:56:48,033 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 22:56:48,034 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:56:48" (1/1) ... [2019-09-10 22:56:48,155 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)