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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 11:32:53,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 11:32:53,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 11:32:53,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 11:32:53,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 11:32:53,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 11:32:53,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 11:32:53,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 11:32:53,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 11:32:53,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 11:32:53,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 11:32:53,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 11:32:53,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 11:32:53,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 11:32:53,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 11:32:53,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 11:32:53,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 11:32:53,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 11:32:53,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 11:32:53,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 11:32:53,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 11:32:53,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 11:32:53,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 11:32:53,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 11:32:53,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 11:32:53,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 11:32:53,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 11:32:53,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 11:32:53,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 11:32:53,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 11:32:53,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 11:32:53,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 11:32:53,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 11:32:53,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 11:32:53,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 11:32:53,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 11:32:53,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 11:32:53,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 11:32:53,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 11:32:53,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 11:32:53,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 11:32:53,391 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 11:32:53,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 11:32:53,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 11:32:53,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 11:32:53,411 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 11:32:53,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 11:32:53,412 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 11:32:53,412 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 11:32:53,412 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 11:32:53,412 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 11:32:53,413 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 11:32:53,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 11:32:53,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 11:32:53,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 11:32:53,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 11:32:53,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 11:32:53,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 11:32:53,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 11:32:53,415 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 11:32:53,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 11:32:53,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 11:32:53,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 11:32:53,416 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 11:32:53,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 11:32:53,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 11:32:53,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 11:32:53,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 11:32:53,417 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 11:32:53,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 11:32:53,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 11:32:53,417 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 11:32:53,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 11:32:53,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 11:32:53,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 11:32:53,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 11:32:53,468 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 11:32:53,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label28.c [2019-09-11 11:32:53,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/895613215/b0bea81999e84ae78cc31992cc294712/FLAG164c4cb4a [2019-09-11 11:32:54,278 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 11:32:54,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label28.c [2019-09-11 11:32:54,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/895613215/b0bea81999e84ae78cc31992cc294712/FLAG164c4cb4a [2019-09-11 11:32:54,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/895613215/b0bea81999e84ae78cc31992cc294712 [2019-09-11 11:32:54,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 11:32:54,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 11:32:54,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 11:32:54,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 11:32:54,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 11:32:54,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:32:54" (1/1) ... [2019-09-11 11:32:54,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d90f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:54, skipping insertion in model container [2019-09-11 11:32:54,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 11:32:54" (1/1) ... [2019-09-11 11:32:54,404 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 11:32:54,518 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 11:32:55,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 11:32:55,528 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 11:32:55,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 11:32:55,961 INFO L192 MainTranslator]: Completed translation [2019-09-11 11:32:55,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55 WrapperNode [2019-09-11 11:32:55,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 11:32:55,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 11:32:55,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 11:32:55,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 11:32:55,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (1/1) ... [2019-09-11 11:32:55,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (1/1) ... [2019-09-11 11:32:56,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (1/1) ... [2019-09-11 11:32:56,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (1/1) ... [2019-09-11 11:32:56,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (1/1) ... [2019-09-11 11:32:56,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (1/1) ... [2019-09-11 11:32:56,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (1/1) ... [2019-09-11 11:32:56,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 11:32:56,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 11:32:56,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 11:32:56,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 11:32:56,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 11:32:55" (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 11:32:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 11:32:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 11:32:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-11 11:32:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-11 11:32:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 11:32:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-11 11:32:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-11 11:32:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 11:32:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 11:32:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-11 11:32:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 11:32:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 11:32:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 11:33:01,012 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 11:33:01,012 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 11:33:01,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:33:01 BoogieIcfgContainer [2019-09-11 11:33:01,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 11:33:01,015 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 11:33:01,016 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 11:33:01,016 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 11:33:01,017 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 11:33:01" (1/1) ... [2019-09-11 11:33:01,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 11:33:05,030 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.