/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:36:04,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:36:04,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:36:04,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:36:04,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:36:04,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:36:04,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:36:04,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:36:04,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:36:04,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:36:04,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:36:04,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:36:04,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:36:04,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:36:04,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:36:04,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:36:04,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:36:04,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:36:04,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:36:04,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:36:04,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:36:04,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:36:04,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:36:04,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:36:04,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:36:04,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:36:04,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:36:04,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:36:04,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:36:04,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:36:04,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:36:04,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:36:04,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:36:04,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:36:04,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:36:04,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:36:04,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:36:04,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:36:04,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:36:04,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:36:04,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:36:04,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:36:04,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:36:04,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:36:04,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:36:04,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:36:04,422 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:36:04,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:36:04,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:36:04,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:36:04,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:36:04,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:36:04,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:36:04,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:36:04,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:36:04,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:36:04,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:36:04,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:36:04,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:36:04,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:36:04,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:36:04,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:36:04,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:36:04,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:36:04,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:36:04,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:36:04,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:36:04,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:36:04,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:36:04,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:36:04,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:36:04,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:36:04,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:36:04,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:36:04,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:36:04,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:36:04,942 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:36:04,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c [2020-09-21 12:36:05,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45fd0a2c4/25e9099edeff45ad968a7719096dd3bd/FLAG35ffa455b [2020-09-21 12:36:05,702 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:36:05,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c [2020-09-21 12:36:05,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45fd0a2c4/25e9099edeff45ad968a7719096dd3bd/FLAG35ffa455b [2020-09-21 12:36:05,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45fd0a2c4/25e9099edeff45ad968a7719096dd3bd [2020-09-21 12:36:05,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:36:05,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:36:05,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:36:05,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:36:05,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:36:05,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:36:05" (1/1) ... [2020-09-21 12:36:05,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45241865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:05, skipping insertion in model container [2020-09-21 12:36:05,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:36:05" (1/1) ... [2020-09-21 12:36:05,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:36:06,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:36:06,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:36:06,700 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:36:07,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:36:07,046 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:36:07,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07 WrapperNode [2020-09-21 12:36:07,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:36:07,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:36:07,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:36:07,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:36:07,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... [2020-09-21 12:36:07,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... [2020-09-21 12:36:07,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... [2020-09-21 12:36:07,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... [2020-09-21 12:36:07,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... [2020-09-21 12:36:07,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... [2020-09-21 12:36:07,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... [2020-09-21 12:36:07,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:36:07,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:36:07,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:36:07,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:36:07,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-21 12:36:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:36:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:36:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:36:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:36:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:36:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:36:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:36:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:36:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:36:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:36:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:36:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:36:08,964 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:36:08,965 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:36:08,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:36:08 BoogieIcfgContainer [2020-09-21 12:36:08,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:36:08,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:36:08,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:36:08,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:36:08,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:36:05" (1/3) ... [2020-09-21 12:36:08,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14807868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:36:08, skipping insertion in model container [2020-09-21 12:36:08,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:36:07" (2/3) ... [2020-09-21 12:36:08,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14807868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:36:08, skipping insertion in model container [2020-09-21 12:36:08,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:36:08" (3/3) ... [2020-09-21 12:36:08,982 INFO L109 eAbstractionObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2020-09-21 12:36:08,993 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:36:09,004 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-21 12:36:09,025 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-09-21 12:36:09,059 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:36:09,060 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:36:09,060 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:36:09,060 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:36:09,060 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:36:09,060 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:36:09,060 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:36:09,061 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:36:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states. [2020-09-21 12:36:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-21 12:36:09,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:36:09,111 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] [2020-09-21 12:36:09,111 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:36:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:36:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash 657243657, now seen corresponding path program 1 times [2020-09-21 12:36:09,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:36:09,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896577135] [2020-09-21 12:36:09,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:36:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:09,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:10,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:10,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:10,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-09-21 12:36:10,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:36:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:36:10,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 12:36:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-21 12:36:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 12:36:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:36:10,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:10,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:10,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:10,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:10,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:10,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:36:10,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:36:10,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896577135] [2020-09-21 12:36:10,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:36:10,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-21 12:36:10,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245562030] [2020-09-21 12:36:10,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 12:36:10,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:10,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 12:36:10,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:36:10,895 INFO L87 Difference]: Start difference. First operand 256 states. Second operand 15 states. [2020-09-21 12:36:12,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:12,251 INFO L93 Difference]: Finished difference Result 461 states and 824 transitions. [2020-09-21 12:36:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:36:12,254 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 141 [2020-09-21 12:36:12,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:12,270 INFO L225 Difference]: With dead ends: 461 [2020-09-21 12:36:12,271 INFO L226 Difference]: Without dead ends: 213 [2020-09-21 12:36:12,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=351, Unknown=0, NotChecked=0, Total=552 [2020-09-21 12:36:12,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-09-21 12:36:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 185. [2020-09-21 12:36:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-09-21 12:36:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 207 transitions. [2020-09-21 12:36:12,347 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 207 transitions. Word has length 141 [2020-09-21 12:36:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:12,348 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 207 transitions. [2020-09-21 12:36:12,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 12:36:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 207 transitions. [2020-09-21 12:36:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 12:36:12,352 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:36:12,352 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] [2020-09-21 12:36:12,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:36:12,353 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:36:12,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:36:12,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1948839399, now seen corresponding path program 1 times [2020-09-21 12:36:12,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:36:12,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798812231] [2020-09-21 12:36:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:36:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:12,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:12,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:12,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 12:36:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:12,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-09-21 12:36:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:36:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-09-21 12:36:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:36:12,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:36:13,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:13,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:13,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:13,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:13,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:36:13,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:13,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:36:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:36:13,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798812231] [2020-09-21 12:36:13,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:36:13,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:36:13,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397798071] [2020-09-21 12:36:13,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:36:13,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:13,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:36:13,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:36:13,052 INFO L87 Difference]: Start difference. First operand 185 states and 207 transitions. Second operand 5 states. [2020-09-21 12:36:13,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:13,448 INFO L93 Difference]: Finished difference Result 189 states and 212 transitions. [2020-09-21 12:36:13,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:36:13,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-09-21 12:36:13,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:13,452 INFO L225 Difference]: With dead ends: 189 [2020-09-21 12:36:13,452 INFO L226 Difference]: Without dead ends: 187 [2020-09-21 12:36:13,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:36:13,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-09-21 12:36:13,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2020-09-21 12:36:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-09-21 12:36:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 198 transitions. [2020-09-21 12:36:13,470 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 198 transitions. Word has length 145 [2020-09-21 12:36:13,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:13,471 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 198 transitions. [2020-09-21 12:36:13,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:36:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 198 transitions. [2020-09-21 12:36:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-09-21 12:36:13,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:36:13,474 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] [2020-09-21 12:36:13,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:36:13,474 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:36:13,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:36:13,475 INFO L82 PathProgramCache]: Analyzing trace with hash -228822137, now seen corresponding path program 1 times [2020-09-21 12:36:13,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:36:13,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927506600] [2020-09-21 12:36:13,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:36:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:13,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:13,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:13,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:14,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:14,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:14,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:14,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-09-21 12:36:14,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:36:14,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1067 [2020-09-21 12:36:14,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:36:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 12:36:14,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:36:14,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:14,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:36:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:36:14,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:36:14,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:36:14,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:36:14,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:36:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:36:14,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:36:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:36:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:36:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:36:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:36:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:36:14,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927506600] [2020-09-21 12:36:14,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:36:14,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:36:14,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519411798] [2020-09-21 12:36:14,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:36:14,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:36:14,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:36:14,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:36:14,822 INFO L87 Difference]: Start difference. First operand 183 states and 198 transitions. Second operand 8 states. [2020-09-21 12:36:15,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:36:15,349 INFO L93 Difference]: Finished difference Result 189 states and 205 transitions. [2020-09-21 12:36:15,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:36:15,351 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-09-21 12:36:15,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:36:15,352 INFO L225 Difference]: With dead ends: 189 [2020-09-21 12:36:15,352 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:36:15,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:36:15,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:36:15,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:36:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:36:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:36:15,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2020-09-21 12:36:15,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:36:15,358 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:36:15,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:36:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:36:15,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:36:15,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:36:15,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:36:15,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:36:15,877 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_1719~0 |old(~__return_1719~0)|)) [2020-09-21 12:36:15,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:36:15,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:36:15,878 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 12:36:15,878 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:36:15,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:36:15,878 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-21 12:36:15,879 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-21 12:36:15,879 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-09-21 12:36:15,879 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-21 12:36:15,879 INFO L268 CegarLoopResult]: For program point L762(lines 762 2426) no Hoare annotation was computed. [2020-09-21 12:36:15,879 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 2690) no Hoare annotation was computed. [2020-09-21 12:36:15,879 INFO L268 CegarLoopResult]: For program point L630(lines 630 2472) no Hoare annotation was computed. [2020-09-21 12:36:15,880 INFO L268 CegarLoopResult]: For program point L366(lines 366 2559) no Hoare annotation was computed. [2020-09-21 12:36:15,880 INFO L268 CegarLoopResult]: For program point L1820(lines 1820 2078) no Hoare annotation was computed. [2020-09-21 12:36:15,880 INFO L268 CegarLoopResult]: For program point L1622(lines 1622 2129) no Hoare annotation was computed. [2020-09-21 12:36:15,880 INFO L268 CegarLoopResult]: For program point L1490(lines 1490 2180) no Hoare annotation was computed. [2020-09-21 12:36:15,880 INFO L268 CegarLoopResult]: For program point L1358(lines 1358 2226) no Hoare annotation was computed. [2020-09-21 12:36:15,880 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 2267) no Hoare annotation was computed. [2020-09-21 12:36:15,881 INFO L268 CegarLoopResult]: For program point L1094(lines 1094 2313) no Hoare annotation was computed. [2020-09-21 12:36:15,881 INFO L268 CegarLoopResult]: For program point L830(lines 830 2400) no Hoare annotation was computed. [2020-09-21 12:36:15,881 INFO L268 CegarLoopResult]: For program point L1888(lines 1888 2057) no Hoare annotation was computed. [2020-09-21 12:36:15,882 INFO L268 CegarLoopResult]: For program point L1690(lines 1690 2108) no Hoare annotation was computed. [2020-09-21 12:36:15,882 INFO L268 CegarLoopResult]: For program point L1558(lines 1558 2154) no Hoare annotation was computed. [2020-09-21 12:36:15,882 INFO L268 CegarLoopResult]: For program point L1294(lines 1294 2241) no Hoare annotation was computed. [2020-09-21 12:36:15,882 INFO L268 CegarLoopResult]: For program point L105(lines 105 2651) no Hoare annotation was computed. [2020-09-21 12:36:15,882 INFO L268 CegarLoopResult]: For program point L898(lines 898 2389) no Hoare annotation was computed. [2020-09-21 12:36:15,882 INFO L268 CegarLoopResult]: For program point L1956(lines 1956 2031) no Hoare annotation was computed. [2020-09-21 12:36:15,882 INFO L268 CegarLoopResult]: For program point L569(lines 569 2492) no Hoare annotation was computed. [2020-09-21 12:36:15,883 INFO L268 CegarLoopResult]: For program point L305(lines 305 2579) no Hoare annotation was computed. [2020-09-21 12:36:15,884 INFO L268 CegarLoopResult]: For program point L173(lines 173 2630) no Hoare annotation was computed. [2020-09-21 12:36:15,884 INFO L268 CegarLoopResult]: For program point L41(lines 41 2676) no Hoare annotation was computed. [2020-09-21 12:36:15,884 INFO L268 CegarLoopResult]: For program point L1759(lines 1759 1801) no Hoare annotation was computed. [2020-09-21 12:36:15,884 INFO L268 CegarLoopResult]: For program point L1033(lines 1033 2333) no Hoare annotation was computed. [2020-09-21 12:36:15,884 INFO L268 CegarLoopResult]: For program point L901(lines 901 2384) no Hoare annotation was computed. [2020-09-21 12:36:15,884 INFO L268 CegarLoopResult]: For program point L769(lines 769 2420) no Hoare annotation was computed. [2020-09-21 12:36:15,885 INFO L268 CegarLoopResult]: For program point L637(lines 637 2471) no Hoare annotation was computed. [2020-09-21 12:36:15,885 INFO L268 CegarLoopResult]: For program point L505(lines 505 2517) no Hoare annotation was computed. [2020-09-21 12:36:15,885 INFO L268 CegarLoopResult]: For program point L373(lines 373 2558) no Hoare annotation was computed. [2020-09-21 12:36:15,885 INFO L268 CegarLoopResult]: For program point L241(lines 241 2604) no Hoare annotation was computed. [2020-09-21 12:36:15,885 INFO L268 CegarLoopResult]: For program point L1761(line 1761) no Hoare annotation was computed. [2020-09-21 12:36:15,885 INFO L268 CegarLoopResult]: For program point L1497(lines 1497 2174) no Hoare annotation was computed. [2020-09-21 12:36:15,886 INFO L268 CegarLoopResult]: For program point L1365(lines 1365 2225) no Hoare annotation was computed. [2020-09-21 12:36:15,886 INFO L268 CegarLoopResult]: For program point L1233(lines 1233 2261) no Hoare annotation was computed. [2020-09-21 12:36:15,886 INFO L268 CegarLoopResult]: For program point L1101(lines 1101 2312) no Hoare annotation was computed. [2020-09-21 12:36:15,886 INFO L268 CegarLoopResult]: For program point L969(lines 969 2358) no Hoare annotation was computed. [2020-09-21 12:36:15,886 INFO L268 CegarLoopResult]: For program point L837(lines 837 2399) no Hoare annotation was computed. [2020-09-21 12:36:15,886 INFO L268 CegarLoopResult]: For program point L705(lines 705 2445) no Hoare annotation was computed. [2020-09-21 12:36:15,886 INFO L268 CegarLoopResult]: For program point L1895(lines 1895 2051) no Hoare annotation was computed. [2020-09-21 12:36:15,887 INFO L268 CegarLoopResult]: For program point L1697(lines 1697 2102) no Hoare annotation was computed. [2020-09-21 12:36:15,887 INFO L268 CegarLoopResult]: For program point L1565(lines 1565 2153) no Hoare annotation was computed. [2020-09-21 12:36:15,887 INFO L268 CegarLoopResult]: For program point L442(lines 442 450) no Hoare annotation was computed. [2020-09-21 12:36:15,887 INFO L268 CegarLoopResult]: For program point L1433(lines 1433 2199) no Hoare annotation was computed. [2020-09-21 12:36:15,887 INFO L268 CegarLoopResult]: For program point L1169(lines 1169 2286) no Hoare annotation was computed. [2020-09-21 12:36:15,887 INFO L264 CegarLoopResult]: At program point L2161(lines 1540 2162) the Hoare annotation is: (and (<= (+ main_~main__i~0 1) main_~main__nlen~0) (<= 8 main_~main__j~0) (= main_~__VERIFIER_assert__cond~103 1) (= |old(~__return_1719~0)| ~__return_1719~0) (<= 2 main_~main__i~0)) [2020-09-21 12:36:15,891 INFO L268 CegarLoopResult]: For program point L1963(lines 1963 2030) no Hoare annotation was computed. [2020-09-21 12:36:15,891 INFO L268 CegarLoopResult]: For program point L1831(lines 1831 2076) no Hoare annotation was computed. [2020-09-21 12:36:15,891 INFO L268 CegarLoopResult]: For program point L1633(lines 1633 2127) no Hoare annotation was computed. [2020-09-21 12:36:15,891 INFO L268 CegarLoopResult]: For program point L180(lines 180 2624) no Hoare annotation was computed. [2020-09-21 12:36:15,891 INFO L268 CegarLoopResult]: For program point L48(lines 48 2675) no Hoare annotation was computed. [2020-09-21 12:36:15,892 INFO L268 CegarLoopResult]: For program point L908(lines 908 2378) no Hoare annotation was computed. [2020-09-21 12:36:15,892 INFO L268 CegarLoopResult]: For program point L644(lines 644 2465) no Hoare annotation was computed. [2020-09-21 12:36:15,892 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1778) no Hoare annotation was computed. [2020-09-21 12:36:15,892 INFO L268 CegarLoopResult]: For program point L512(lines 512 2516) no Hoare annotation was computed. [2020-09-21 12:36:15,892 INFO L268 CegarLoopResult]: For program point L380(lines 380 2552) no Hoare annotation was computed. [2020-09-21 12:36:15,892 INFO L268 CegarLoopResult]: For program point L248(lines 248 2603) no Hoare annotation was computed. [2020-09-21 12:36:15,893 INFO L268 CegarLoopResult]: For program point L116(lines 116 2649) no Hoare annotation was computed. [2020-09-21 12:36:15,893 INFO L268 CegarLoopResult]: For program point L1372(lines 1372 2219) no Hoare annotation was computed. [2020-09-21 12:36:15,893 INFO L268 CegarLoopResult]: For program point L1108(lines 1108 2306) no Hoare annotation was computed. [2020-09-21 12:36:15,893 INFO L268 CegarLoopResult]: For program point L976(lines 976 2357) no Hoare annotation was computed. [2020-09-21 12:36:15,893 INFO L268 CegarLoopResult]: For program point L844(lines 844 2393) no Hoare annotation was computed. [2020-09-21 12:36:15,893 INFO L268 CegarLoopResult]: For program point L712(lines 712 2444) no Hoare annotation was computed. [2020-09-21 12:36:15,893 INFO L268 CegarLoopResult]: For program point L580(lines 580 2490) no Hoare annotation was computed. [2020-09-21 12:36:15,894 INFO L268 CegarLoopResult]: For program point L316(lines 316 2577) no Hoare annotation was computed. [2020-09-21 12:36:15,894 INFO L268 CegarLoopResult]: For program point L1572(lines 1572 2147) no Hoare annotation was computed. [2020-09-21 12:36:15,894 INFO L264 CegarLoopResult]: At program point L449(lines 421 2541) the Hoare annotation is: false [2020-09-21 12:36:15,895 INFO L268 CegarLoopResult]: For program point L1440(lines 1440 2198) no Hoare annotation was computed. [2020-09-21 12:36:15,895 INFO L268 CegarLoopResult]: For program point L1176(lines 1176 2285) no Hoare annotation was computed. [2020-09-21 12:36:15,895 INFO L268 CegarLoopResult]: For program point L1044(lines 1044 2331) no Hoare annotation was computed. [2020-09-21 12:36:15,895 INFO L268 CegarLoopResult]: For program point L780(lines 780 2418) no Hoare annotation was computed. [2020-09-21 12:36:15,895 INFO L268 CegarLoopResult]: For program point L1309(lines 1309 1330) no Hoare annotation was computed. [2020-09-21 12:36:15,895 INFO L268 CegarLoopResult]: For program point L1970(lines 1970 2024) no Hoare annotation was computed. [2020-09-21 12:36:15,896 INFO L268 CegarLoopResult]: For program point L1838(lines 1838 2075) no Hoare annotation was computed. [2020-09-21 12:36:15,896 INFO L268 CegarLoopResult]: For program point L1640(lines 1640 2126) no Hoare annotation was computed. [2020-09-21 12:36:15,896 INFO L268 CegarLoopResult]: For program point L1508(lines 1508 2172) no Hoare annotation was computed. [2020-09-21 12:36:15,896 INFO L268 CegarLoopResult]: For program point L1244(lines 1244 2259) no Hoare annotation was computed. [2020-09-21 12:36:15,896 INFO L268 CegarLoopResult]: For program point L55(lines 55 2669) no Hoare annotation was computed. [2020-09-21 12:36:15,896 INFO L268 CegarLoopResult]: For program point L1906(lines 1906 2049) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L1708(lines 1708 2100) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L519(lines 519 2510) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L255(lines 255 2597) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L123(lines 123 2648) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L983(lines 983 2351) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L1776(lines 1776 1784) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L719(lines 719 2438) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L587(lines 587 2489) no Hoare annotation was computed. [2020-09-21 12:36:15,897 INFO L268 CegarLoopResult]: For program point L323(lines 323 2576) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L191(lines 191 2622) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L1447(lines 1447 2192) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L1183(lines 1183 2279) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L1051(lines 1051 2330) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L919(lines 919 2376) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L787(lines 787 2417) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L1778(line 1778) no Hoare annotation was computed. [2020-09-21 12:36:15,898 INFO L268 CegarLoopResult]: For program point L655(lines 655 2463) no Hoare annotation was computed. [2020-09-21 12:36:15,899 INFO L268 CegarLoopResult]: For program point L391(lines 391 2550) no Hoare annotation was computed. [2020-09-21 12:36:15,899 INFO L268 CegarLoopResult]: For program point L1845(lines 1845 2069) no Hoare annotation was computed. [2020-09-21 12:36:15,899 INFO L268 CegarLoopResult]: For program point L1647(lines 1647 2120) no Hoare annotation was computed. [2020-09-21 12:36:15,899 INFO L268 CegarLoopResult]: For program point L1515(lines 1515 2171) no Hoare annotation was computed. [2020-09-21 12:36:15,899 INFO L268 CegarLoopResult]: For program point L1383(lines 1383 2217) no Hoare annotation was computed. [2020-09-21 12:36:15,899 INFO L268 CegarLoopResult]: For program point L1251(lines 1251 2258) no Hoare annotation was computed. [2020-09-21 12:36:15,900 INFO L268 CegarLoopResult]: For program point L1119(lines 1119 2304) no Hoare annotation was computed. [2020-09-21 12:36:15,900 INFO L268 CegarLoopResult]: For program point L855(lines 855 2391) no Hoare annotation was computed. [2020-09-21 12:36:15,900 INFO L268 CegarLoopResult]: For program point L459(lines 459 2539) no Hoare annotation was computed. [2020-09-21 12:36:15,900 INFO L268 CegarLoopResult]: For program point L1913(lines 1913 2048) no Hoare annotation was computed. [2020-09-21 12:36:15,900 INFO L268 CegarLoopResult]: For program point L1715(lines 1715 2099) no Hoare annotation was computed. [2020-09-21 12:36:15,901 INFO L268 CegarLoopResult]: For program point L1583(lines 1583 2145) no Hoare annotation was computed. [2020-09-21 12:36:15,901 INFO L268 CegarLoopResult]: For program point L130(lines 130 2642) no Hoare annotation was computed. [2020-09-21 12:36:15,901 INFO L268 CegarLoopResult]: For program point L1320(lines 1320 1328) no Hoare annotation was computed. [2020-09-21 12:36:15,901 INFO L264 CegarLoopResult]: At program point L2311(lines 1101 2312) the Hoare annotation is: (and (<= (+ main_~main__i~0 1) main_~main__nlen~0) (<= 8 main_~main__j~0) (= |old(~__return_1719~0)| ~__return_1719~0) (<= 2 main_~main__i~0)) [2020-09-21 12:36:15,901 INFO L268 CegarLoopResult]: For program point L1981(lines 1981 2022) no Hoare annotation was computed. [2020-09-21 12:36:15,903 INFO L264 CegarLoopResult]: At program point L1783(lines 1752 1803) the Hoare annotation is: (and (<= (+ main_~main__i~0 1) main_~main__nlen~0) (not (= main_~__VERIFIER_assert__cond~136 0)) (= |old(~__return_1719~0)| ~__return_1719~0) (= main_~__VERIFIER_assert__cond~103 1) (<= 0 main_~main__j~0) (<= 2 main_~main__i~0)) [2020-09-21 12:36:15,904 INFO L268 CegarLoopResult]: For program point L594(lines 594 2483) no Hoare annotation was computed. [2020-09-21 12:36:15,904 INFO L268 CegarLoopResult]: For program point L462(lines 462 2534) no Hoare annotation was computed. [2020-09-21 12:36:15,904 INFO L268 CegarLoopResult]: For program point L330(lines 330 2570) no Hoare annotation was computed. [2020-09-21 12:36:15,904 INFO L268 CegarLoopResult]: For program point L198(lines 198 2621) no Hoare annotation was computed. [2020-09-21 12:36:15,904 INFO L268 CegarLoopResult]: For program point L66(lines 66 2667) no Hoare annotation was computed. [2020-09-21 12:36:15,904 INFO L268 CegarLoopResult]: For program point L1058(lines 1058 2324) no Hoare annotation was computed. [2020-09-21 12:36:15,905 INFO L268 CegarLoopResult]: For program point L926(lines 926 2375) no Hoare annotation was computed. [2020-09-21 12:36:15,905 INFO L268 CegarLoopResult]: For program point L794(lines 794 2411) no Hoare annotation was computed. [2020-09-21 12:36:15,905 INFO L268 CegarLoopResult]: For program point L662(lines 662 2462) no Hoare annotation was computed. [2020-09-21 12:36:15,905 INFO L268 CegarLoopResult]: For program point L530(lines 530 2508) no Hoare annotation was computed. [2020-09-21 12:36:15,905 INFO L268 CegarLoopResult]: For program point L398(lines 398 2549) no Hoare annotation was computed. [2020-09-21 12:36:15,906 INFO L268 CegarLoopResult]: For program point L266(lines 266 2595) no Hoare annotation was computed. [2020-09-21 12:36:15,906 INFO L268 CegarLoopResult]: For program point L1522(lines 1522 2165) no Hoare annotation was computed. [2020-09-21 12:36:15,906 INFO L268 CegarLoopResult]: For program point L1390(lines 1390 2216) no Hoare annotation was computed. [2020-09-21 12:36:15,906 INFO L268 CegarLoopResult]: For program point L1258(lines 1258 2252) no Hoare annotation was computed. [2020-09-21 12:36:15,906 INFO L268 CegarLoopResult]: For program point L1126(lines 1126 2303) no Hoare annotation was computed. [2020-09-21 12:36:15,906 INFO L268 CegarLoopResult]: For program point L994(lines 994 2349) no Hoare annotation was computed. [2020-09-21 12:36:15,907 INFO L268 CegarLoopResult]: For program point L730(lines 730 2436) no Hoare annotation was computed. [2020-09-21 12:36:15,907 INFO L268 CegarLoopResult]: For program point L1920(lines 1920 2042) no Hoare annotation was computed. [2020-09-21 12:36:15,907 INFO L268 CegarLoopResult]: For program point L1722(lines 1722 2093) no Hoare annotation was computed. [2020-09-21 12:36:15,907 INFO L268 CegarLoopResult]: For program point L1590(lines 1590 2144) no Hoare annotation was computed. [2020-09-21 12:36:15,907 INFO L268 CegarLoopResult]: For program point L1458(lines 1458 2190) no Hoare annotation was computed. [2020-09-21 12:36:15,907 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 2690) no Hoare annotation was computed. [2020-09-21 12:36:15,908 INFO L268 CegarLoopResult]: For program point L1194(lines 1194 2277) no Hoare annotation was computed. [2020-09-21 12:36:15,908 INFO L264 CegarLoopResult]: At program point L1327(lines 1299 2241) the Hoare annotation is: false [2020-09-21 12:36:15,908 INFO L268 CegarLoopResult]: For program point L1988(lines 1988 2021) no Hoare annotation was computed. [2020-09-21 12:36:15,908 INFO L268 CegarLoopResult]: For program point L1856(lines 1856 2067) no Hoare annotation was computed. [2020-09-21 12:36:15,908 INFO L268 CegarLoopResult]: For program point L1790(lines 1790 1799) no Hoare annotation was computed. [2020-09-21 12:36:15,908 INFO L268 CegarLoopResult]: For program point L1658(lines 1658 2118) no Hoare annotation was computed. [2020-09-21 12:36:15,909 INFO L268 CegarLoopResult]: For program point L469(lines 469 2528) no Hoare annotation was computed. [2020-09-21 12:36:15,909 INFO L268 CegarLoopResult]: For program point L205(lines 205 2615) no Hoare annotation was computed. [2020-09-21 12:36:15,909 INFO L268 CegarLoopResult]: For program point L73(lines 73 2666) no Hoare annotation was computed. [2020-09-21 12:36:15,909 INFO L268 CegarLoopResult]: For program point L933(lines 933 2369) no Hoare annotation was computed. [2020-09-21 12:36:15,909 INFO L268 CegarLoopResult]: For program point L669(lines 669 2456) no Hoare annotation was computed. [2020-09-21 12:36:15,909 INFO L268 CegarLoopResult]: For program point L537(lines 537 2507) no Hoare annotation was computed. [2020-09-21 12:36:15,910 INFO L268 CegarLoopResult]: For program point L405(lines 405 2543) no Hoare annotation was computed. [2020-09-21 12:36:15,910 INFO L268 CegarLoopResult]: For program point L273(lines 273 2594) no Hoare annotation was computed. [2020-09-21 12:36:15,910 INFO L268 CegarLoopResult]: For program point L141(lines 141 2640) no Hoare annotation was computed. [2020-09-21 12:36:15,910 INFO L264 CegarLoopResult]: At program point L1793(lines 1765 1801) the Hoare annotation is: (and (<= (+ main_~main__i~0 1) main_~main__nlen~0) (= |old(~__return_1719~0)| ~__return_1719~0) (= main_~__VERIFIER_assert__cond~103 1) (<= 0 main_~main__j~0) (<= 2 main_~main__i~0)) [2020-09-21 12:36:15,910 INFO L268 CegarLoopResult]: For program point L1397(lines 1397 2210) no Hoare annotation was computed. [2020-09-21 12:36:15,911 INFO L268 CegarLoopResult]: For program point L1133(lines 1133 2297) no Hoare annotation was computed. [2020-09-21 12:36:15,911 INFO L268 CegarLoopResult]: For program point L1001(lines 1001 2348) no Hoare annotation was computed. [2020-09-21 12:36:15,911 INFO L268 CegarLoopResult]: For program point L737(lines 737 2435) no Hoare annotation was computed. [2020-09-21 12:36:15,911 INFO L268 CegarLoopResult]: For program point L605(lines 605 2481) no Hoare annotation was computed. [2020-09-21 12:36:15,911 INFO L268 CegarLoopResult]: For program point L341(lines 341 2568) no Hoare annotation was computed. [2020-09-21 12:36:15,911 INFO L268 CegarLoopResult]: For program point L870(lines 870 891) no Hoare annotation was computed. [2020-09-21 12:36:15,912 INFO L268 CegarLoopResult]: For program point L1597(lines 1597 2138) no Hoare annotation was computed. [2020-09-21 12:36:15,912 INFO L268 CegarLoopResult]: For program point L1465(lines 1465 2189) no Hoare annotation was computed. [2020-09-21 12:36:15,912 INFO L268 CegarLoopResult]: For program point L1201(lines 1201 2276) no Hoare annotation was computed. [2020-09-21 12:36:15,912 INFO L268 CegarLoopResult]: For program point L1069(lines 1069 2322) no Hoare annotation was computed. [2020-09-21 12:36:15,912 INFO L268 CegarLoopResult]: For program point L805(lines 805 2409) no Hoare annotation was computed. [2020-09-21 12:36:15,915 INFO L268 CegarLoopResult]: For program point L1995(lines 1995 2015) no Hoare annotation was computed. [2020-09-21 12:36:15,915 INFO L268 CegarLoopResult]: For program point L1863(lines 1863 2066) no Hoare annotation was computed. [2020-09-21 12:36:15,915 INFO L268 CegarLoopResult]: For program point L1665(lines 1665 2117) no Hoare annotation was computed. [2020-09-21 12:36:15,916 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1761) no Hoare annotation was computed. [2020-09-21 12:36:15,916 INFO L268 CegarLoopResult]: For program point L1533(lines 1533 2163) no Hoare annotation was computed. [2020-09-21 12:36:15,916 INFO L268 CegarLoopResult]: For program point L1269(lines 1269 2250) no Hoare annotation was computed. [2020-09-21 12:36:15,916 INFO L268 CegarLoopResult]: For program point L80(lines 80 2660) no Hoare annotation was computed. [2020-09-21 12:36:15,916 INFO L268 CegarLoopResult]: For program point L1931(lines 1931 2040) no Hoare annotation was computed. [2020-09-21 12:36:15,916 INFO L268 CegarLoopResult]: For program point L1733(lines 1733 2091) no Hoare annotation was computed. [2020-09-21 12:36:15,917 INFO L268 CegarLoopResult]: For program point L544(lines 544 2501) no Hoare annotation was computed. [2020-09-21 12:36:15,917 INFO L268 CegarLoopResult]: For program point L1337(lines 1337 2239) no Hoare annotation was computed. [2020-09-21 12:36:15,917 INFO L268 CegarLoopResult]: For program point L280(lines 280 2588) no Hoare annotation was computed. [2020-09-21 12:36:15,917 INFO L268 CegarLoopResult]: For program point L148(lines 148 2639) no Hoare annotation was computed. [2020-09-21 12:36:15,917 INFO L264 CegarLoopResult]: At program point L2461(lines 662 2462) the Hoare annotation is: (and (<= (+ main_~main__i~0 1) main_~main__nlen~0) (<= 8 main_~main__j~0) (= |old(~__return_1719~0)| ~__return_1719~0) (<= 1 main_~main__i~0)) [2020-09-21 12:36:15,918 INFO L268 CegarLoopResult]: For program point L1008(lines 1008 2342) no Hoare annotation was computed. [2020-09-21 12:36:15,918 INFO L268 CegarLoopResult]: For program point L744(lines 744 2429) no Hoare annotation was computed. [2020-09-21 12:36:15,918 INFO L268 CegarLoopResult]: For program point L612(lines 612 2480) no Hoare annotation was computed. [2020-09-21 12:36:15,918 INFO L268 CegarLoopResult]: For program point L480(lines 480 2526) no Hoare annotation was computed. [2020-09-21 12:36:15,918 INFO L268 CegarLoopResult]: For program point L348(lines 348 2567) no Hoare annotation was computed. [2020-09-21 12:36:15,918 INFO L268 CegarLoopResult]: For program point L216(lines 216 2613) no Hoare annotation was computed. [2020-09-21 12:36:15,919 INFO L268 CegarLoopResult]: For program point L1472(lines 1472 2183) no Hoare annotation was computed. [2020-09-21 12:36:15,919 INFO L268 CegarLoopResult]: For program point L1340(lines 1340 2234) no Hoare annotation was computed. [2020-09-21 12:36:15,919 INFO L268 CegarLoopResult]: For program point L1208(lines 1208 2270) no Hoare annotation was computed. [2020-09-21 12:36:15,919 INFO L268 CegarLoopResult]: For program point L1076(lines 1076 2321) no Hoare annotation was computed. [2020-09-21 12:36:15,919 INFO L268 CegarLoopResult]: For program point L944(lines 944 2367) no Hoare annotation was computed. [2020-09-21 12:36:15,919 INFO L268 CegarLoopResult]: For program point L812(lines 812 2408) no Hoare annotation was computed. [2020-09-21 12:36:15,919 INFO L268 CegarLoopResult]: For program point L680(lines 680 2454) no Hoare annotation was computed. [2020-09-21 12:36:15,920 INFO L268 CegarLoopResult]: For program point L416(lines 416 2541) no Hoare annotation was computed. [2020-09-21 12:36:15,920 INFO L268 CegarLoopResult]: For program point L20(lines 20 2689) no Hoare annotation was computed. [2020-09-21 12:36:15,920 INFO L268 CegarLoopResult]: For program point L1870(lines 1870 2060) no Hoare annotation was computed. [2020-09-21 12:36:15,920 INFO L268 CegarLoopResult]: For program point L1672(lines 1672 2111) no Hoare annotation was computed. [2020-09-21 12:36:15,920 INFO L268 CegarLoopResult]: For program point L1540(lines 1540 2162) no Hoare annotation was computed. [2020-09-21 12:36:15,920 INFO L268 CegarLoopResult]: For program point L1408(lines 1408 2208) no Hoare annotation was computed. [2020-09-21 12:36:15,921 INFO L268 CegarLoopResult]: For program point L1276(lines 1276 2249) no Hoare annotation was computed. [2020-09-21 12:36:15,921 INFO L268 CegarLoopResult]: For program point L1144(lines 1144 2295) no Hoare annotation was computed. [2020-09-21 12:36:15,921 INFO L268 CegarLoopResult]: For program point L1938(lines 1938 2039) no Hoare annotation was computed. [2020-09-21 12:36:15,921 INFO L268 CegarLoopResult]: For program point L881(lines 881 889) no Hoare annotation was computed. [2020-09-21 12:36:15,921 INFO L268 CegarLoopResult]: For program point L1740(lines 1740 2090) no Hoare annotation was computed. [2020-09-21 12:36:15,922 INFO L268 CegarLoopResult]: For program point L1608(lines 1608 2136) no Hoare annotation was computed. [2020-09-21 12:36:15,922 INFO L268 CegarLoopResult]: For program point L155(lines 155 2633) no Hoare annotation was computed. [2020-09-21 12:36:15,922 INFO L268 CegarLoopResult]: For program point L23(lines 23 2684) no Hoare annotation was computed. [2020-09-21 12:36:15,923 INFO L268 CegarLoopResult]: For program point L2006(lines 2006 2013) no Hoare annotation was computed. [2020-09-21 12:36:15,923 INFO L268 CegarLoopResult]: For program point L619(lines 619 2474) no Hoare annotation was computed. [2020-09-21 12:36:15,923 INFO L268 CegarLoopResult]: For program point L487(lines 487 2525) no Hoare annotation was computed. [2020-09-21 12:36:15,923 INFO L268 CegarLoopResult]: For program point L355(lines 355 2561) no Hoare annotation was computed. [2020-09-21 12:36:15,923 INFO L268 CegarLoopResult]: For program point L223(lines 223 2612) no Hoare annotation was computed. [2020-09-21 12:36:15,923 INFO L268 CegarLoopResult]: For program point L91(lines 91 2658) no Hoare annotation was computed. [2020-09-21 12:36:15,924 INFO L268 CegarLoopResult]: For program point L1347(lines 1347 2228) no Hoare annotation was computed. [2020-09-21 12:36:15,924 INFO L268 CegarLoopResult]: For program point L1083(lines 1083 2315) no Hoare annotation was computed. [2020-09-21 12:36:15,924 INFO L268 CegarLoopResult]: For program point L951(lines 951 2366) no Hoare annotation was computed. [2020-09-21 12:36:15,924 INFO L268 CegarLoopResult]: For program point L819(lines 819 2402) no Hoare annotation was computed. [2020-09-21 12:36:15,924 INFO L268 CegarLoopResult]: For program point L1810(lines 1810 2089) no Hoare annotation was computed. [2020-09-21 12:36:15,924 INFO L268 CegarLoopResult]: For program point L687(lines 687 2453) no Hoare annotation was computed. [2020-09-21 12:36:15,924 INFO L268 CegarLoopResult]: For program point L555(lines 555 2499) no Hoare annotation was computed. [2020-09-21 12:36:15,925 INFO L268 CegarLoopResult]: For program point L291(lines 291 2586) no Hoare annotation was computed. [2020-09-21 12:36:15,925 INFO L268 CegarLoopResult]: For program point L1547(lines 1547 2156) no Hoare annotation was computed. [2020-09-21 12:36:15,925 INFO L268 CegarLoopResult]: For program point L1415(lines 1415 2207) no Hoare annotation was computed. [2020-09-21 12:36:15,925 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 2243) no Hoare annotation was computed. [2020-09-21 12:36:15,925 INFO L268 CegarLoopResult]: For program point L1151(lines 1151 2294) no Hoare annotation was computed. [2020-09-21 12:36:15,926 INFO L268 CegarLoopResult]: For program point L1019(lines 1019 2340) no Hoare annotation was computed. [2020-09-21 12:36:15,926 INFO L268 CegarLoopResult]: For program point L755(lines 755 2427) no Hoare annotation was computed. [2020-09-21 12:36:15,926 INFO L268 CegarLoopResult]: For program point L1945(lines 1945 2033) no Hoare annotation was computed. [2020-09-21 12:36:15,926 INFO L264 CegarLoopResult]: At program point L888(lines 860 2391) the Hoare annotation is: false [2020-09-21 12:36:15,926 INFO L268 CegarLoopResult]: For program point L1813(lines 1813 2084) no Hoare annotation was computed. [2020-09-21 12:36:15,926 INFO L268 CegarLoopResult]: For program point L1747(lines 1747 1803) no Hoare annotation was computed. [2020-09-21 12:36:15,927 INFO L268 CegarLoopResult]: For program point L1615(lines 1615 2135) no Hoare annotation was computed. [2020-09-21 12:36:15,927 INFO L268 CegarLoopResult]: For program point L1483(lines 1483 2181) no Hoare annotation was computed. [2020-09-21 12:36:15,928 INFO L268 CegarLoopResult]: For program point L1219(lines 1219 2268) no Hoare annotation was computed. [2020-09-21 12:36:15,928 INFO L268 CegarLoopResult]: For program point L30(lines 30 2678) no Hoare annotation was computed. [2020-09-21 12:36:15,928 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 2690) the Hoare annotation is: (= |old(~__return_1719~0)| ~__return_1719~0) [2020-09-21 12:36:15,929 INFO L264 CegarLoopResult]: At program point L2012(lines 1740 2090) the Hoare annotation is: (let ((.cse0 (<= (+ main_~main__i~0 1) main_~main__nlen~0)) (.cse1 (= |old(~__return_1719~0)| ~__return_1719~0)) (.cse2 (= main_~__VERIFIER_assert__cond~103 1)) (.cse3 (<= 2 main_~main__i~0))) (or (and (<= 1 main_~__VERIFIER_assert__cond~135) .cse0 (not (= main_~__VERIFIER_assert__cond~136 0)) .cse1 .cse2 (<= 0 main_~main__j~0) .cse3) (and .cse0 .cse1 .cse2 (<= 7 main_~main__j~0) .cse3))) [2020-09-21 12:36:15,929 INFO L268 CegarLoopResult]: For program point L1881(lines 1881 2058) no Hoare annotation was computed. [2020-09-21 12:36:15,929 INFO L268 CegarLoopResult]: For program point L1683(lines 1683 2109) no Hoare annotation was computed. [2020-09-21 12:36:15,930 INFO L268 CegarLoopResult]: For program point L494(lines 494 2519) no Hoare annotation was computed. [2020-09-21 12:36:15,930 INFO L268 CegarLoopResult]: For program point L230(lines 230 2606) no Hoare annotation was computed. [2020-09-21 12:36:15,930 INFO L268 CegarLoopResult]: For program point L98(lines 98 2657) no Hoare annotation was computed. [2020-09-21 12:36:15,930 INFO L268 CegarLoopResult]: For program point L958(lines 958 2360) no Hoare annotation was computed. [2020-09-21 12:36:15,930 INFO L268 CegarLoopResult]: For program point L694(lines 694 2447) no Hoare annotation was computed. [2020-09-21 12:36:15,931 INFO L268 CegarLoopResult]: For program point L562(lines 562 2498) no Hoare annotation was computed. [2020-09-21 12:36:15,931 INFO L268 CegarLoopResult]: For program point L298(lines 298 2585) no Hoare annotation was computed. [2020-09-21 12:36:15,931 INFO L268 CegarLoopResult]: For program point L166(lines 166 2631) no Hoare annotation was computed. [2020-09-21 12:36:15,935 INFO L264 CegarLoopResult]: At program point L2611(lines 223 2612) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= (+ main_~main__i~0 1) main_~main__nlen~0) (<= 8 main_~main__j~0) (= |old(~__return_1719~0)| ~__return_1719~0)) [2020-09-21 12:36:15,936 INFO L268 CegarLoopResult]: For program point L431(lines 431 452) no Hoare annotation was computed. [2020-09-21 12:36:15,936 INFO L268 CegarLoopResult]: For program point L1422(lines 1422 2201) no Hoare annotation was computed. [2020-09-21 12:36:15,936 INFO L268 CegarLoopResult]: For program point L1158(lines 1158 2288) no Hoare annotation was computed. [2020-09-21 12:36:15,936 INFO L268 CegarLoopResult]: For program point L1026(lines 1026 2339) no Hoare annotation was computed. [2020-09-21 12:36:16,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:36:16 BoogieIcfgContainer [2020-09-21 12:36:16,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:36:16,008 INFO L168 Benchmark]: Toolchain (without parser) took 10072.04 ms. Allocated memory was 144.2 MB in the beginning and 329.3 MB in the end (delta: 185.1 MB). Free memory was 102.9 MB in the beginning and 295.3 MB in the end (delta: -192.4 MB). Peak memory consumption was 197.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:16,009 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:36:16,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1105.47 ms. Allocated memory was 144.2 MB in the beginning and 206.6 MB in the end (delta: 62.4 MB). Free memory was 102.2 MB in the beginning and 172.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:16,011 INFO L168 Benchmark]: Boogie Preprocessor took 116.36 ms. Allocated memory is still 206.6 MB. Free memory was 172.7 MB in the beginning and 167.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:16,012 INFO L168 Benchmark]: RCFGBuilder took 1807.91 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 167.7 MB in the beginning and 141.5 MB in the end (delta: 26.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:16,014 INFO L168 Benchmark]: TraceAbstraction took 7030.94 ms. Allocated memory was 238.0 MB in the beginning and 329.3 MB in the end (delta: 91.2 MB). Free memory was 141.5 MB in the beginning and 295.3 MB in the end (delta: -153.7 MB). Peak memory consumption was 142.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:36:16,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1105.47 ms. Allocated memory was 144.2 MB in the beginning and 206.6 MB in the end (delta: 62.4 MB). Free memory was 102.2 MB in the beginning and 172.7 MB in the end (delta: -70.4 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.36 ms. Allocated memory is still 206.6 MB. Free memory was 172.7 MB in the beginning and 167.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1807.91 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 167.7 MB in the beginning and 141.5 MB in the end (delta: 26.1 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7030.94 ms. Allocated memory was 238.0 MB in the beginning and 329.3 MB in the end (delta: 91.2 MB). Free memory was 141.5 MB in the beginning and 295.3 MB in the end (delta: -153.7 MB). Peak memory consumption was 142.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1761]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: ((0 <= main__i && main__i + 1 <= main__nlen) && 8 <= main__j) && \old(__return_1719) == __return_1719 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1101]: Loop Invariant Derived loop invariant: ((main__i + 1 <= main__nlen && 8 <= main__j) && \old(__return_1719) == __return_1719) && 2 <= main__i - InvariantResult [Line: 1752]: Loop Invariant Derived loop invariant: ((((main__i + 1 <= main__nlen && !(__VERIFIER_assert__cond == 0)) && \old(__return_1719) == __return_1719) && __VERIFIER_assert__cond == 1) && 0 <= main__j) && 2 <= main__i - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: ((main__i + 1 <= main__nlen && 8 <= main__j) && \old(__return_1719) == __return_1719) && 1 <= main__i - InvariantResult [Line: 1765]: Loop Invariant Derived loop invariant: (((main__i + 1 <= main__nlen && \old(__return_1719) == __return_1719) && __VERIFIER_assert__cond == 1) && 0 <= main__j) && 2 <= main__i - InvariantResult [Line: 1740]: Loop Invariant Derived loop invariant: ((((((1 <= __VERIFIER_assert__cond && main__i + 1 <= main__nlen) && !(__VERIFIER_assert__cond == 0)) && \old(__return_1719) == __return_1719) && __VERIFIER_assert__cond == 1) && 0 <= main__j) && 2 <= main__i) || ((((main__i + 1 <= main__nlen && \old(__return_1719) == __return_1719) && __VERIFIER_assert__cond == 1) && 7 <= main__j) && 2 <= main__i) - InvariantResult [Line: 1540]: Loop Invariant Derived loop invariant: (((main__i + 1 <= main__nlen && 8 <= main__j) && __VERIFIER_assert__cond == 1) && \old(__return_1719) == __return_1719) && 2 <= main__i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 260 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 234 SDtfs, 2087 SDslu, 40 SDs, 0 SdLazy, 1179 SolverSat, 494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 47 NumberOfFragments, 162 HoareAnnotationTreeSize, 14 FomulaSimplifications, 331 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 14 FomulaSimplificationsInter, 614 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 433 NumberOfCodeBlocks, 433 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 93448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...