/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:27:26,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:27:26,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:27:26,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:27:26,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:27:26,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:27:26,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:27:26,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:27:26,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:27:26,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:27:26,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:27:26,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:27:26,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:27:26,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:27:26,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:27:26,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:27:26,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:27:26,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:27:26,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:27:26,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:27:26,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:27:26,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:27:26,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:27:26,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:27:26,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:27:26,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:27:26,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:27:26,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:27:26,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:27:26,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:27:26,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:27:26,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:27:26,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:27:26,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:27:26,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:27:26,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:27:26,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:27:26,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:27:26,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:27:26,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:27:26,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:27:26,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:27:26,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:27:26,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:27:26,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:27:26,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:27:26,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:27:26,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:27:26,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:27:26,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:27:26,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:27:26,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:27:26,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:27:26,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:27:26,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:27:26,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:27:26,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:27:26,276 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:27:26,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:27:26,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:27:26,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:27:26,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:27:26,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:27:26,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:27:26,278 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:27:26,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:27:26,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:27:26,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:27:26,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:27:26,632 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:27:26,633 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-07 15:27:26,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7d7079b/37f8fb4a22404c85a3d0e17b65d34976/FLAG128358857 [2020-07-07 15:27:27,197 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:27:27,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-07 15:27:27,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7d7079b/37f8fb4a22404c85a3d0e17b65d34976/FLAG128358857 [2020-07-07 15:27:27,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7d7079b/37f8fb4a22404c85a3d0e17b65d34976 [2020-07-07 15:27:27,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:27:27,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:27:27,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:27,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:27:27,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:27:27,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ee4682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27, skipping insertion in model container [2020-07-07 15:27:27,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:27:27,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:27:27,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:27,949 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:27:28,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:28,071 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:27:28,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28 WrapperNode [2020-07-07 15:27:28,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:28,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:27:28,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:27:28,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:27:28,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (1/1) ... [2020-07-07 15:27:28,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (1/1) ... [2020-07-07 15:27:28,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (1/1) ... [2020-07-07 15:27:28,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (1/1) ... [2020-07-07 15:27:28,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (1/1) ... [2020-07-07 15:27:28,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (1/1) ... [2020-07-07 15:27:28,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (1/1) ... [2020-07-07 15:27:28,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:27:28,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:27:28,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:27:28,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:27:28,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (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 [2020-07-07 15:27:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:27:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:27:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-07 15:27:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-07 15:27:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-07 15:27:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-07 15:27:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-07 15:27:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-07 15:27:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-07 15:27:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-07 15:27:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-07 15:27:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:27:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 15:27:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:27:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-07 15:27:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-07 15:27:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-07 15:27:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-07 15:27:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-07 15:27:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-07 15:27:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-07 15:27:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-07 15:27:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-07 15:27:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 15:27:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-07 15:27:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-07 15:27:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-07 15:27:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:27:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 15:27:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:27:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 15:27:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:27:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 15:27:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:27:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:27:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 15:27:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 15:27:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:27:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-07 15:27:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:27:29,498 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:27:29,499 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-07 15:27:29,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:29 BoogieIcfgContainer [2020-07-07 15:27:29,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:27:29,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:27:29,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:27:29,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:27:29,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:27:27" (1/3) ... [2020-07-07 15:27:29,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5169e8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:29, skipping insertion in model container [2020-07-07 15:27:29,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:28" (2/3) ... [2020-07-07 15:27:29,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5169e8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:29, skipping insertion in model container [2020-07-07 15:27:29,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:29" (3/3) ... [2020-07-07 15:27:29,516 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2020-07-07 15:27:29,529 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:27:29,538 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:27:29,554 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:27:29,580 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:27:29,580 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:27:29,580 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:27:29,581 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:27:29,581 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:27:29,581 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:27:29,581 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:27:29,581 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:27:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states. [2020-07-07 15:27:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-07 15:27:29,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:27:29,664 INFO L422 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] [2020-07-07 15:27:29,665 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:27:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:27:29,674 INFO L82 PathProgramCache]: Analyzing trace with hash 939617987, now seen corresponding path program 1 times [2020-07-07 15:27:29,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:27:29,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189352728] [2020-07-07 15:27:29,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:27:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:27:29,801 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:27:29,802 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:27:29,809 INFO L168 Benchmark]: Toolchain (without parser) took 2295.36 ms. Allocated memory was 144.2 MB in the beginning and 233.3 MB in the end (delta: 89.1 MB). Free memory was 102.0 MB in the beginning and 167.4 MB in the end (delta: -65.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:29,810 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 15:27:29,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.18 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:29,812 INFO L168 Benchmark]: Boogie Preprocessor took 89.68 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:29,813 INFO L168 Benchmark]: RCFGBuilder took 1344.71 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 167.7 MB in the beginning and 192.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:29,814 INFO L168 Benchmark]: TraceAbstraction took 297.27 ms. Allocated memory is still 233.3 MB. Free memory was 192.4 MB in the beginning and 167.4 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:29,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 559.18 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.68 ms. Allocated memory is still 201.9 MB. Free memory was 172.2 MB in the beginning and 167.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1344.71 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 167.7 MB in the beginning and 192.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 297.27 ms. Allocated memory is still 233.3 MB. Free memory was 192.4 MB in the beginning and 167.4 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...