java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 20:26:38,149 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 20:26:38,154 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 20:26:38,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 20:26:38,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 20:26:38,176 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 20:26:38,178 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 20:26:38,181 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 20:26:38,183 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 20:26:38,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 20:26:38,185 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 20:26:38,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 20:26:38,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 20:26:38,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 20:26:38,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 20:26:38,191 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 20:26:38,192 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 20:26:38,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 20:26:38,196 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 20:26:38,197 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 20:26:38,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 20:26:38,199 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 20:26:38,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 20:26:38,202 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 20:26:38,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 20:26:38,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 20:26:38,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 20:26:38,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 20:26:38,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 20:26:38,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 20:26:38,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 20:26:38,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 20:26:38,208 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 20:26:38,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 20:26:38,210 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 20:26:38,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 20:26:38,211 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 20:26:38,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 20:26:38,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 20:26:38,227 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 20:26:38,228 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 20:26:38,228 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 20:26:38,228 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 20:26:38,228 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 20:26:38,228 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 20:26:38,229 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 20:26:38,229 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 20:26:38,229 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 20:26:38,229 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 20:26:38,230 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 20:26:38,230 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 20:26:38,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 20:26:38,230 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 20:26:38,231 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 20:26:38,231 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 20:26:38,231 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 20:26:38,231 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 20:26:38,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 20:26:38,232 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 20:26:38,232 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 20:26:38,232 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 20:26:38,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 20:26:38,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 20:26:38,233 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 20:26:38,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 20:26:38,233 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 20:26:38,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 20:26:38,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 20:26:38,234 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 20:26:38,234 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 20:26:38,234 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 20:26:38,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 20:26:38,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 20:26:38,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 20:26:38,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 20:26:38,320 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 20:26:38,321 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label22_true-unreach-call.c [2018-10-24 20:26:38,392 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b76703e05/2e283b2c24e8430c9aeac7b82c22eaee/FLAGf3345f0bf [2018-10-24 20:26:40,465 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 20:26:40,466 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label22_true-unreach-call.c [2018-10-24 20:26:40,672 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b76703e05/2e283b2c24e8430c9aeac7b82c22eaee/FLAGf3345f0bf [2018-10-24 20:26:40,685 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b76703e05/2e283b2c24e8430c9aeac7b82c22eaee [2018-10-24 20:26:40,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 20:26:40,697 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 20:26:40,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 20:26:40,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 20:26:40,703 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 20:26:40,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:26:40" (1/1) ... [2018-10-24 20:26:40,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4569e7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:26:40, skipping insertion in model container [2018-10-24 20:26:40,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:26:40" (1/1) ... [2018-10-24 20:26:40,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 20:26:42,057 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 20:26:52,780 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 20:26:52,784 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 20:26:59,249 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 20:27:00,310 INFO L193 MainTranslator]: Completed translation [2018-10-24 20:27:00,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00 WrapperNode [2018-10-24 20:27:00,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 20:27:00,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 20:27:00,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 20:27:00,312 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 20:27:00,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:00,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:04,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 20:27:04,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 20:27:04,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 20:27:04,144 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 20:27:04,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:04,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:04,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:04,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:05,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:05,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:06,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... [2018-10-24 20:27:06,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 20:27:06,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 20:27:06,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 20:27:06,364 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 20:27:06,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 20:27:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 20:27:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 20:27:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2018-10-24 20:27:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2018-10-24 20:27:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2018-10-24 20:27:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2018-10-24 20:27:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2018-10-24 20:27:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2018-10-24 20:27:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2018-10-24 20:27:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2018-10-24 20:27:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2018-10-24 20:27:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2018-10-24 20:27:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2018-10-24 20:27:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2018-10-24 20:27:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2018-10-24 20:27:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2018-10-24 20:27:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2018-10-24 20:27:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2018-10-24 20:27:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2018-10-24 20:27:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2018-10-24 20:27:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2018-10-24 20:27:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2018-10-24 20:27:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2018-10-24 20:27:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2018-10-24 20:27:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2018-10-24 20:27:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2018-10-24 20:27:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2018-10-24 20:27:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2018-10-24 20:27:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2018-10-24 20:27:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2018-10-24 20:27:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2018-10-24 20:27:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2018-10-24 20:27:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2018-10-24 20:27:06,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2018-10-24 20:27:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2018-10-24 20:27:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2018-10-24 20:27:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2018-10-24 20:27:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2018-10-24 20:27:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2018-10-24 20:27:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2018-10-24 20:27:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2018-10-24 20:27:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2018-10-24 20:27:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2018-10-24 20:27:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2018-10-24 20:27:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-10-24 20:27:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-10-24 20:27:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2018-10-24 20:27:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2018-10-24 20:27:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-10-24 20:27:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-10-24 20:27:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2018-10-24 20:27:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2018-10-24 20:27:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 20:27:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 20:27:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2018-10-24 20:27:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2018-10-24 20:27:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 20:27:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 20:27:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2018-10-24 20:27:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2018-10-24 20:27:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 20:27:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 20:27:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 20:27:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 20:27:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2018-10-24 20:27:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2018-10-24 20:27:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 20:27:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 20:27:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2018-10-24 20:27:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2018-10-24 20:27:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 20:27:06,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 20:27:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2018-10-24 20:27:06,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2018-10-24 20:27:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2018-10-24 20:27:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2018-10-24 20:27:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2018-10-24 20:27:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2018-10-24 20:27:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2018-10-24 20:27:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2018-10-24 20:27:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2018-10-24 20:27:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2018-10-24 20:27:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 20:27:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 20:27:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2018-10-24 20:27:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2018-10-24 20:27:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2018-10-24 20:27:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2018-10-24 20:27:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2018-10-24 20:27:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2018-10-24 20:27:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2018-10-24 20:27:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2018-10-24 20:27:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2018-10-24 20:27:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2018-10-24 20:27:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2018-10-24 20:27:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2018-10-24 20:27:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 20:27:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 20:27:57,223 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 20:27:57,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:27:57 BoogieIcfgContainer [2018-10-24 20:27:57,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 20:27:57,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 20:27:57,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 20:27:57,228 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 20:27:57,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:26:40" (1/3) ... [2018-10-24 20:27:57,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcae94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:27:57, skipping insertion in model container [2018-10-24 20:27:57,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:27:00" (2/3) ... [2018-10-24 20:27:57,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcae94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:27:57, skipping insertion in model container [2018-10-24 20:27:57,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:27:57" (3/3) ... [2018-10-24 20:27:57,232 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label22_true-unreach-call.c [2018-10-24 20:27:57,242 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 20:27:57,255 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 20:27:57,273 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 20:27:57,355 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 20:27:57,356 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 20:27:57,356 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 20:27:57,356 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 20:27:57,356 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 20:27:57,356 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 20:27:57,356 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 20:27:57,356 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 20:27:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states. [2018-10-24 20:27:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10233 [2018-10-24 20:27:58,233 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 20:27:58,240 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 20:27:58,244 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 20:27:58,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 20:27:58,258 INFO L82 PathProgramCache]: Analyzing trace with hash -204988885, now seen corresponding path program 1 times [2018-10-24 20:27:58,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 20:27:58,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 20:27:58,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 20:27:58,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 20:27:58,314 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 20:28:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 20:28:38,020 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-24 20:30:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 20:30:04,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 20:30:04,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 20:30:04,511 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 20:30:04,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 20:30:04,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 20:30:04,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 20:30:04,552 INFO L87 Difference]: Start difference. First operand 10447 states. Second operand 4 states. Received shutdown request... [2018-10-24 20:30:43,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 20:30:43,760 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 20:30:43,766 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 20:30:43,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:30:43 BoogieIcfgContainer [2018-10-24 20:30:43,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 20:30:43,768 INFO L168 Benchmark]: Toolchain (without parser) took 243071.54 ms. Allocated memory was 1.5 GB in the beginning and 4.6 GB in the end (delta: 3.1 GB). Free memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 932.3 MB. Max. memory is 7.1 GB. [2018-10-24 20:30:43,769 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 20:30:43,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 19612.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 642.3 MB). Free memory was 1.2 GB in the beginning and 795.5 MB in the end (delta: 397.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 20:30:43,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 3831.70 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.1 GB). Free memory was 795.5 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 279.7 MB. Max. memory is 7.1 GB. [2018-10-24 20:30:43,772 INFO L168 Benchmark]: Boogie Preprocessor took 2220.23 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 404.9 MB). Peak memory consumption was 404.9 MB. Max. memory is 7.1 GB. [2018-10-24 20:30:43,773 INFO L168 Benchmark]: RCFGBuilder took 50859.99 ms. Allocated memory was 3.2 GB in the beginning and 4.2 GB in the end (delta: 1.0 GB). Free memory was 2.4 GB in the beginning and 3.0 GB in the end (delta: -584.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 20:30:43,774 INFO L168 Benchmark]: TraceAbstraction took 166542.29 ms. Allocated memory was 4.2 GB in the beginning and 4.6 GB in the end (delta: 361.2 MB). Free memory was 3.0 GB in the beginning and 3.3 GB in the end (delta: -332.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2018-10-24 20:30:43,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 19612.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 642.3 MB). Free memory was 1.2 GB in the beginning and 795.5 MB in the end (delta: 397.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 3831.70 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.1 GB). Free memory was 795.5 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 279.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2220.23 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 404.9 MB). Peak memory consumption was 404.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 50859.99 ms. Allocated memory was 3.2 GB in the beginning and 4.2 GB in the end (delta: 1.0 GB). Free memory was 2.4 GB in the beginning and 3.0 GB in the end (delta: -584.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * TraceAbstraction took 166542.29 ms. Allocated memory was 4.2 GB in the beginning and 4.6 GB in the end (delta: 361.2 MB). Free memory was 3.0 GB in the beginning and 3.3 GB in the end (delta: -332.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73643]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73643). Cancelled while BasicCegarLoop was constructing difference of abstraction (10447states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (16653 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 10447 locations, 1 error locations. TIMEOUT Result, 166.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 39.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1126 SDtfs, 8886 SDslu, 248 SDs, 0 SdLazy, 23900 SolverSat, 5509 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 47 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10447occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 37.8s InterpolantComputationTime, 10232 NumberOfCodeBlocks, 10232 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10231 ConstructedInterpolants, 0 QuantifiedInterpolants, 430346553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown